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Number:

2020-730

Caption:

High temperature Ca-Fe alteration conisting of albitized siltstone replaced by stratabound amphibole to magnetite-dominant alteration, Peanut Lake.

Date:

2011 07 14

Photographer:

Potter, E

Collection:

Natural Resources Canada

Hi-Resolution:

0.24 MB
1076x782 pixels
300 ppi (jpeg)

Note:

Outcrop number - 11PUA0028; Date of Field Data Capture - 2011 07 14

Geographic:

240; Peanut Lake; Northwest Territories

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Number:

2020-731

Caption:

High-temperature Ca-Fe alteration consisting of albitized siltstone replaced by stratabound amphibole to magnetite-dominant alteration, Peanut Lake. Some layers are not fully replaced by magnetite and highlight the progresison of alteration fronts along bedding ruling out a sedimentary origin for the magnetite layers. Stratabound K-feldspar alteration replaces albitized layers and is accompanied by hematization, enhacing the resemblance to a banded iron formation.

Date:

2011 07 14

Photographer:

Potter, E

Collection:

Natural Resources Canada

Hi-Resolution:

0.28 MB
1052x780 pixels
300 ppi (jpeg)

Note:

Outcrop number - 11PUA0028; Date of Field Data Capture - 2011 07 14

Geographic:

278; Peanut Lake; Northwest Territories

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Number:

2020-732

Caption:

Albitized siltstone replaced by stratabound amphibole to magnetite-dominant alteration at Peanut lake (11PUA-028). Ductile deformation is coeval with magnetite alteration and leads to folding of magnetite-rich layers.

Date:

2011 07 14

Photographer:

Potter, E

Collection:

Natural Resources Canada

Hi-Resolution:

0.37 MB
1566x815 pixels
300 ppi (jpeg)

Note:

Outcrop number - 11PUA0028; Date of Field Data Capture - 2011 07 14

Geographic:

359; Peanut Lake; Northwest Territories

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Number:

2020-778

Caption:

Hematite breccia within dark, clay altered host, East Hottah system, Hottah Lake.

Date:

2010 07 29

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.16 MB
512x1021 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-0616

Geographic:

157; Hottah Lake; Northwest Territories

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Number:

2020-779

Caption:

Cobaltinitrite-stained rock slab of hematite breccia cutting a K-feldspar altered breccia, East Hottah system, Hottah Lake. Clay alteration stains white and is difficult to discriminate from albitization. Timing relationships between hematite infilling and K-feldspar alteration of clasts is uncertain as clear K-feldspar haloes are not observed along the hematite infills and K-feldspar alteration is widespread throughout the region.

Date:

2010 07 28

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.21 MB
546x972 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-0284

Geographic:

204; Hottah Lake; Northwest Territories

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Number:

2020-777

Caption:

Hematite breccia within dark, clay altered host, East Hottah system, Hottah Lake.

Date:

2010 07 26

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
543x1020 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-1546

Geographic:

168; Hottah Lake; Northwest Territories

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Number:

2020-780

Caption:

Hematite breccia with hematized and silicified clasts, East Hottah system, Hottah Lake.

Date:

2010 07 26

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.19 MB
646x975 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-1552

Geographic:

186; Hottah Lake; Northwest Territories

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Number:

2020-781

Caption:

Particularly bright steely specular hematite breccia within hematization and silicification, East Hottah system, Hottah Lake.

Date:

2010 07 26

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.15 MB
490x976 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-1546

Geographic:

148; Hottah Lake; Northwest Territories

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Number:

2020-673

Caption:

Iron oxide breccia, Hottah Lake area

Date:

2010 07 25

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

4.34 MB
4000x3000 pixels
180 ppi (jpeg)

Note:

Outcrop number - 10CQA-0262; Date of Field Data Capture - 2010 07 25

Geographic:

4243; Hottah Lake; Northwest Territories

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Number:

2020-775

Caption:

Hematite breccia within an intensely K-feldspar altered host, East Hottah system, Hottah Lake.

Date:

2010 07 25

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.23 MB
660x1019 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-0262

Geographic:

229; Hottah Lake; Northwest Territories

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Number:

2020-776

Caption:

Hematite breccia within an intensely K-feldspar altered host, East Hottah system, Hottah Lake.

Date:

2010 07 25

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.14 MB
403x1022 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-0262

Geographic:

135; Hottah Lake; Northwest Territories

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Number:

2020-710

Caption:

Skarn in contact with an albitized carbonate unit, including layers of stratabound albitite, Grouard Lake.

Date:

2010 07 09

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.2 MB
1070x648 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-0202; Date of Field Data Capture - 2010 07 09

Geographic:

197; Grouard Lake; Northwest Territories

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Number:

2020-711

Caption:

Albitite breccia infilled by skarn, Grouard Lake.

Date:

2010 07 09

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.21 MB
1054x646 pixels
300 ppi (jpeg)

Note:

Outcrop number - 10CQA-0202; Date of Field Data Capture - 2010 07 09

Geographic:

202; Grouard Lake; Northwest Territories

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Number:

2020-675

Caption:

Brecciated albitite replacing meta-evaporitic carbonate rocks at Roxmere Waterhole (~75 km south of the Ernest Henry deposit, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

5.21 MB
3648x2736 pixels
180 ppi (jpeg)

Geographic:

5090; Roxmere Waterhole

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Number:

2020-676

Caption:

Albitite breccia cut by amphibole-rich veins typical of the early stages of the HT Ca-Fe facies (Mount Fort Constantine, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.97 MB
3648x2056 pixels
180 ppi (jpeg)

Geographic:

3874; Mount Fort Constantine; Cloncurry; Queensland

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Number:

2020-677

Caption:

Albitite replacing volcanic host rocks within the Ernest Henry deposit in the Cloncurry district, Australia, incipiently replaced by magnetite, and cut by actinolite veins (drill hole EH691). Note the development of a set of parallel fractures increasingly infilled and progressing to albitite breccia.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.58 MB
3648x2056 pixels
180 ppi (jpeg)

Geographic:

3493; Cloncurry; Queensland

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Number:

2020-678

Caption:

Albitite replacing volcanic host rocks, incipiently replaced by magnetite, and cut by actinolite veins (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

4.27 MB
3648x2736 pixels
180 ppi (jpeg)

Geographic:

4166; Cloncurry; Queensland

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Number:

2020-679

Caption:

Albitite replacing volcanic host rocks, incipiently replaced by magnetite, and cut by actinolite veins (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.45 MB
3648x2056 pixels
180 ppi (jpeg)

Geographic:

3365; Cloncurry; Queensland

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Number:

2020-680

Caption:

Albitite replacing volcanic host rocks, incipiently replaced by magnetite, and cut by actinolite veins (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia). Note the development of a set of parallel fractures increasingly infilled by magnetite and displaying ductile deformation with dissolution of albitite fragments recorded by their ragged contours.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.51 MB
3648x2056 pixels
180 ppi (jpeg)

Geographic:

3424; Cloncurry; Queensland

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Number:

2020-681

Caption:

Deformed albitite clasts within a magnetite-actinolite-biotite matrix typical of the ductile to brittle-ductile deformation associated with HT Ca-K-Fe alteration (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia). Larger fragments are fractured, brecciated and display dissolution textures along margins.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.75 MB
3648x2056 pixels
180 ppi (jpeg)

Geographic:

3665; Cloncurry; Queensland

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Number:

2020-682

Caption:

Albitite cut and brecciated by magnetite, and re-brecciated and dissolved by magnetite-biotite ±actinolite matrix (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.51 MB
3648x2056 pixels
180 ppi (jpeg)

Geographic:

3432; Cloncurry; Queensland

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Number:

2020-683

Caption:

Albitite cut, brecciated and replaced by magnetite ±actinolite (Mount Fort Constantine, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.23 MB
598x1096 pixels
300 ppi (jpeg)

Geographic:

228; Mount Fort Constantine; Cloncurry; Queensland

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Number:

2020-684

Caption:

Foliated HT Ca-K-Fe alteration facies replacing albitized host rock and replaced by later carbonate alteration (waste pile, Ernest Henry deposit, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.23 MB
505x1093 pixels
300 ppi (jpeg)

Geographic:

230; Cloncurry; Queensland

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Number:

2020-685

Caption:

Zones of magnetite-biotite-pyrite alteration replaced by magnetite, actinolite and biotite alteration (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

5.32 MB
3648x2736 pixels
180 ppi (jpeg)

Geographic:

5196; Cloncurry; Queensland

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$Photo 2020-686: Plagioclase-phyric andesite variably albitized, forming pseudoclasts subsequently fractured, infilled and replaced by K-feldspar and magnetite. ...$

Number:

2020-686

Caption:

Plagioclase-phyric andesite variably albitized, forming pseudoclasts subsequently fractured, infilled and replaced by K-feldspar and magnetite. Plagioclase phenocrysts are texturally preserved but albitized and K-feldspar altered. The zones of pseudo-clasts and the altered host are brecciated, infilled and extensively replaced by a pyrite-chalcopyrite-magnetite assemblage.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.12 MB
1015x509 pixels
300 ppi (jpeg)

Geographic:

119; Cloncurry; Queensland

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$Photo 2020-687: Plagioclase-phyric andesite variably albitized, forming pseudoclasts subsequently fractured, infilled and replaced by K-feldspar and magnetite (drill ...$

Number:

2020-687

Caption:

Plagioclase-phyric andesite variably albitized, forming pseudoclasts subsequently fractured, infilled and replaced by K-feldspar and magnetite (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia). Plagioclase phenocrysts are texturally preserved but albitized and K-feldspar altered. The pseudo breccia is brecciated, infilled and extensively replaced by a pyrite-chalcopyrite-magnetite assemblage.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.15 MB
1112x509 pixels
300 ppi (jpeg)

Geographic:

148; Cloncurry; Queensland

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Number:

2020-688

Caption:

Localized orientation of clasts among a matrix with trains of pyrite, textures typical of fluidization while most of the matrix displays textures typical of in situ replacement of clasts (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia). The red halo along fragment rims is typical of incipient, in situ K-feldspar alteration of clasts.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
1135x444 pixels
300 ppi (jpeg)

Geographic:

164; Cloncurry; Queensland

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Number:

2020-689

Caption:

Ore breccia where the K-feldspar alteration of clasts and combined infill and replacement of breccia matrix as well as clasts by magnetite defines a HT K-Fe breccia with both clasts and pseudoclasts (drill hole EH691, Ernest Henry deposit, Cloncurry district, Australia). Breccia includes clasts of the main ore zone (fragment labelled) that illustrate both replacement and physical brecciation.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.32 MB
2134x557 pixels
300 ppi (jpeg)

Geographic:

316; Cloncurry; Queensland

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Number:

2020-690

Caption:

Ore breccia where the K-feldspar alteration of clasts and combined infill and replacement of breccia matrix as well as clasts by magnetite defines a HT K-Fe breccia with both clasts and pseudoclasts. The ore breccia with a steely magnetite-chalcopyrite matrix and associated K-feldspar altered clasts are re-brecciated and locally replaced by a darker magnetite-biotite-chalcopyrite assemblage (drill core EH665). The new clasts have largely straight (i.e. non-dissolved, non-replaced) margins. This is a well-preserved example of the several generations of brecciation at the HT K-Fe facies in the deposit.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.13 MB
1175x421 pixels
300 ppi (jpeg)

Geographic:

124; Cloncurry; Queensland

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Number:

2020-691

Caption:

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.14 MB
955x421 pixels
300 ppi (jpeg)

Geographic:

134; Cloncurry; Queensland

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Number:

2020-692

Caption:

Rock slab of iron oxide breccia associated with HT K-Fe alteration sampled in 2009 at the muck pile of the Ernest Henry deposit, Cloncurry district, Australia. The breccia consists of K-feldspar altered clasts and matrix of magnetite and pyrite. The deeper red hue of the K-feldspar alteration of clasts is due to hematite pigmentation.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.11 MB
541x768 pixels
300 ppi (jpeg)

Geographic:

105; Cloncurry; Queensland

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Number:

2020-693

Caption:

Cobaltinitrite-stained rock slab of iron oxide breccia associated with HT K-Fe alteration sampled in 2009 at the muck pile of the Ernest Henry deposit, Cloncurry district, Australia. The breccia consists of K-feldspar altered clasts (stains yellow) and matrix of magnetite and pyrite. The red hue of the K-feldspar alteration of clasts is due to hematite pigmentation.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.4 MB
1722x1467 pixels
400 ppi (jpeg)

Geographic:

395; Cloncurry; Queensland

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Number:

2020-694

Caption:

Rock slab of iron oxide breccia associated with HT K-Fe alteration sampled in 2009 at the muck pile of the Ernest Henry deposit, Cloncurry district, Australia. The breccia consists of K-feldspar altered clasts with a particularly deep red hue among a matrix of magnetite, pyrite and carbonate. Hematite alteration overprints both matrix and clasts. The deeper red hue of the K-feldspar alteration of clasts is due to extensive hematite pigmentation.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.19 MB
4320x3240 pixels
180 ppi (jpeg)

Geographic:

3114; Cloncurry; Queensland

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Number:

2020-695

Caption:

Cobaltinitrite-stained rock slab of iron oxide breccia associated with HT K-Fe alteration sampled in 2009 at the muck pile of the Ernest Henry deposit, Cloncurry district, Australia. The breccia consists of K-feldspar (stains yellow) altered clasts with a particularly deep red hue among a matrix of magnetite (stains black), pyrite and carbonate (stains white). Hematite alteration (stains brown) overprints both matrix and clasts. The deeper red hue of the K-feldspar alteration of clasts is due to extensive hematite pigmentation.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.34 MB
1408x1167 pixels
400 ppi (jpeg)

Geographic:

330; Cloncurry; Queensland

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Number:

2020-696

Caption:

Series of brecciation and mineralization events associated with precipitation of calcite along drill hole EH 691 of the Ernest Henry deposit, Cloncurry district, Australia. The early magnetite-chalcopyrite breccia with K-feldspar-altered clasts is replaced by calcite and hematite. The hematite and calcite alteration overprints both matrix and clasts.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

2.87 MB
4320x3240 pixels
180 ppi (jpeg)

Geographic:

2806; Cloncurry; Queensland

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Number:

2020-697

Caption:

Cobaltinitrite-stained rock slab of a series of brecciation and mineralization events associated with precipitation of calcite along drill hole EH 691 of the Ernest Henry deposit, Cloncurry district, Australia. The early magnetite-chalcopyrite breccia with K-feldspar-altered clasts is replaced by calcite and hematite. The hematite (stains brown) and calcite (stains white) alteration overprints both matrix and clasts.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.65 MB
2430x1413 pixels
400 ppi (jpeg)

Geographic:

638; Cloncurry; Queensland

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Number:

2020-698

Caption:

Series of brecciation and mineralization events associated with precipitation of calcite (drill hole EH 691, Ernest Henry deposit, Cloncurry district, Australia). Early magnetite-calcite-chalcopyrite breccia with K-feldspar-altered clasts is cut and replaced by calcite and refragmented and entrained in a magnetite-rich breccia matrix as illustrated by the sharp contacts of calcite replacement and veins within clasts.

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.88 MB
3648x2056 pixels
180 ppi (jpeg)

Geographic:

3789; Cloncurry; Queensland

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Number:

2020-699

Caption:

Calcite-rich breccia with magnetite and local titanite mineralized in chalcopyrite and displaying crystal sorting typical of fluidization textures (drill hole EH 691, Ernest Henry deposit, Cloncurry district, Australia).

Date:

2009

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.64 MB
3648x2056 pixels
180 ppi (jpeg)

Geographic:

3552; Cloncurry; Queensland

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Number:

2020-782

Caption:

Barite veins, East Hottah system, Hottah Lake.

Date:

2009 07 22

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
436x978 pixels
300 ppi (jpeg)

Note:

Outcrop number - 09CQA-1195

Geographic:

169; Hottah Lake; Northwest Territories

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Number:

2020-752

Caption:

Magnetite breccia with K-feldspar alteration of host and clasts at the Brooke prospect.

Date:

2009 06 20

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.23 MB
716x1042 pixels
300 ppi (jpeg)

Note:

Outcrop number - 09CQA-0026; Date of Field Data Capture - 2009 06 20

Geographic:

229; Northwest Territories

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Number:

2020-753

Caption:

Magnetite breccia with K-feldspar-altered clasts at the Sue Dianne deposit.

Date:

2009 06 20

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.23 MB
689x1046 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0235; Date of Field Data Capture - 2009 06 20

Geographic:

225; Northwest Territories

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Number:

2020-674

Caption:

Low temperature K-Fe facies consisting of a hematite-dominant breccia with K-feldspar alteration of clasts and relics of quartz from the host, Sue Dianne deposit.

Date:

2009 06 17

Photographer:

Kerswill, J

Collection:

Natural Resources Canada

Hi-Resolution:

3.04 MB
4320x3240 pixels
180 ppi (jpeg)

Note:

Outcrop number - KZ-09-SD-10; Date of Field Data Capture - 2009 06 17

Geographic:

2974; Northwest Territories

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Number:

2020-754

Caption:

Magnetite breccia with K-feldspar-altered clasts at the Sue Dianne deposit.

Date:

2009 06 17

Photographer:

Kerzwill, J

Collection:

Natural Resources Canada

Hi-Resolution:

0.1 MB
716x507 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0235; Date of Field Data Capture - 2009 06 17

Geographic:

100; Northwest Territories

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Number:

2020-755

Caption:

Cobaltinitrite-stained rock slab of magnetite breccia with K-feldspar-altered clasts at the Sue Dianne deposit. Some clast margins display K-feldspar-altered selvages whereas most clasts are pervasively altered by K-feldspar and fine disseminations of earthy hematite.

Date:

2009 06 17

Photographer:

Kerzwill, J

Collection:

Natural Resources Canada

Hi-Resolution:

0.19 MB
716x535 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0235; Date of Field Data Capture - 2009 06 17

Geographic:

183; Northwest Territories

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Number:

2020-767

Caption:

Cobaltinitrite-stained rock slab of low temperature K-Fe facies consisting of a hematite-dominant breccia with K-feldspar alteration of clasts and relics of quartz from the host, Sue Dianne deposit.

Date:

2009 06 17

Photographer:

Kerswill, J

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
955x393 pixels
300 ppi (jpeg)

Note:

Outcrop number - KZ-09-SD-10; Date of Field Data Capture - 2009 06 17

Geographic:

165; Northwest Territories

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Number:

2020-738

Caption:

Repeated pulses of HT Ca-Fe and HT Ca-K-Fe alteration and veining of metasiltstone within the NICO deposit recorded by a weakly foliated stratabound amphibole-biotite alteration cut by irregular fronts of magnetite-dominant amphibole-magnetite alteration and sharply cut by a magnetite-arsenopyrite-chalcopyrite vein with amphibole haloes, NICO deposit (CQA-08-552).

Date:

2007 07 26

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.19 MB
523x991 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-08-0552; Date of Field Data Capture - 2007 07 26

Geographic:

190; Northwest Territories

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Number:

2020-741

Caption:

Stratabound magnetite-amphibole alteration overprinted by fine biotite-rich stratabound stockworks and cut by veins of arsenopyrite-magnetite. Stratabound offshoots along the veins formed discontinuous trains of arsenopyrite lenses along bedforms.

Date:

2007 07 26

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.16 MB
590x889 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-08-0552; Date of Field Data Capture - 2007 07 26

Geographic:

155; Northwest Territories

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Number:

2020-742

Caption:

Stratabound magnetite-amphibole alteration overprinted by discontinuous trains of arsenopyrite and cut sharply by veins of arsenopyrite within the NICO Au-Co-Bi-Cu ore zone.

Date:

2007 07 26

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.25 MB
786x889 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-08-0552; Date of Field Data Capture - 2007 07 26

Geographic:

248; Northwest Territories

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Open Government Licence - Canada

Number:

2020-723

Caption:

High-temperature Ca-Fe alteration consisting of apatite infill of brecciated albitite, west of Mile Lake.

Date:

2007 07 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.13 MB
582x721 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0534; Date of Field Data Capture - 2007 07 08

Geographic:

125; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-702

Caption:

Lapilli tuff with early white albitization of lapilli and pink albitization of matrix south of Hoy Bay, Port Radium-Echo Bay district, Great Bear magmatic zone, Northwest Territories.

Date:

2007 07 07

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.45 MB
2304x3072 pixels
180 ppi (jpeg)

Note:

Outcrop number - CQA-07-0528; Date of Field Data Capture - 2007 07 07

Geographic:

3369; Hoy Bay; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-764

Caption:

Cobaltinitrite-stained rock slab of crackled breccia of K-felsite in a former albitite at Hoy Bay, Port Radium-Echo Bay district.

Date:

2007 07 07

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.05 MB
207x550 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0527; Date of Field Data Capture - 2007 07 07

Geographic:

51; Hoy Bay; Northwest Territories; Great Bear Lake; Port Radium; Echo Bay

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Number:

2020-765

Caption:

Crackled breccia of K-felsite in a former albitite at Hoy Bay, Port Radium-Echo Bay district.

Date:

2007 07 07

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.23 MB
595x902 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0527; Date of Field Data Capture - 2007 07 07

Geographic:

224; Hoy Bay; Northwest Territories; Great Bear Lake; Port Radium; Echo Bay

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Open Government Licence - Canada

Number:

2020-770

Caption:

Hematite alteration of a magnetite-altered and albitized pyroclastic breccia preserving most of the breccia texture at Hoy Bay.

Date:

2007 07 07

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.35 MB
1489x707 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0528; Date of Field Data Capture - 2007 07 07

Geographic:

341; Hoy Bay; Northwest Territories; Great Bear Lake; Port Radium; Echo Bay

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Open Government Licence - Canada

Number:

2020-771

Caption:

Magnetite clasts and other types of clasts are overprinted by specular hematite in magnetite-altered and albitized pyroclastic breccia preserving most of the breccia texture at Hoy Bay.

Date:

2007 07 07

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.06 MB
372x316 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0528;

Geographic:

58; Hoy Bay; Northwest Territories; Great Bear Lake; Port Radium; Echo Bay

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Number:

2020-772

Caption:

Texture destructive hematite alteration of a magnetite-altered and albitized pyroclastic breccia at Hoy Bay.

Date:

2007 07 07

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.15 MB
638x706 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0528;

Geographic:

147; Hoy Bay; Northwest Territories; Great Bear Lake; Port Radium; Echo Bay

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Open Government Licence - Canada

Number:

2020-724

Caption:

High-temperature Ca-Fe alterationconsisting of amphibole-magnetite replacement in andesite in drill core PR-06-01 of the Port Radium IOA prospect. Plagioclase phenocrysts are preferentially albitized and the volcanic matrix altered to amphibole.

Date:

2007 07 05

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.13 MB
604x861 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0518; Date of Field Data Capture - 2007 07 05

Geographic:

125; Port Radium; Northwest Territories; Echo Bay

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Open Government Licence - Canada

Number:

2020-725

Caption:

High-temperature Ca-Fe alteration with stratabound amphibole, magnetite and albite alteration of a sedimentary host cut by a magnetite vein in drill core PR-06-01 of the Port Radium IOA prospect.

Date:

2007 07 05

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.14 MB
569x860 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0518; Date of Field Data Capture - 2007 07 05

Geographic:

142; Port Radium; Northwest Territories; Echo Bay

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Open Government Licence - Canada

Number:

2020-726

Caption:

High-temperature Ca-Fe alteration consisting of amphibole infilling of a brecciated albitized host with clast replaced by amphibole, and cut by a magnetite vein in drill core PR-06-01 of the Port Radium IOA prospect.

Date:

2007 07 05

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.1 MB
439x860 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0518; Date of Field Data Capture - 2007 07 05

Geographic:

94; Port Radium; Northwest Territories; Echo Bay

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Number:

2020-727

Caption:

High-temperature Ca-Fe alteration consisting of amphibole infilling of a brecciated albitized host with clast replaced by amphibole, and extensively replaced by magnetite in drill core PR-06-01 of the Port Radium IOA prospect.

Date:

2007 07 05

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.11 MB
500x859 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0518; Date of Field Data Capture - 2007 07 05

Geographic:

112; Port Radium; Northwest Territories; Echo Bay

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Number:

2020-728

Caption:

High-temperature Ca-Fe alteration consisiting of amphibole-altered host brecciated and infilled by magnetite in drill core PR-06-01 of the Port Radium IOA prospect.

Date:

2007 07 05

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
1072x631 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0518; Date of Field Data Capture - 2007 07 05

Geographic:

168; Port Radium; Northwest Territories; Echo Bay

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Open Government Licence - Canada

Number:

2020-729

Caption:

High-temperature Ca-Fe alterationconsisting of zones of magnetite replacement cut by an actinolite-magnetite-apatite assemblage in drill core PR-06-01 of the Port Radium IOA prospect.

Date:

2007 07 05

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.19 MB
1060x633 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0518; Date of Field Data Capture - 2007 07 05

Geographic:

183; Port Radium; Northwest Territories; Echo Bay

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Open Government Licence - Canada

Number:

2020-773

Caption:

Breccia with clasts of albitized volcanic rocks and carbonate infill at Breccia Island, Port Radium-Echo Bay district, Great Bear magmatic zone, NT.

Date:

2007 07 05

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.19 MB
928x583 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0519;

Geographic:

188; Breccia Island; Northwest Territories; Port Radium; Breccia Island

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Open Government Licence - Canada

Number:

2020-774

Caption:

Breccia with clasts of albitized volcanic rocks and hematite-carbonate infill at Breccia Island, Port Radium-Echo Bay district, Great Bear magmatic zone, NT.

Date:

2007 07 05

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.29 MB
1198x583 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0519;

Geographic:

285; Breccia Island; Northwest Territories; Port Radium; Breccia Island

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Open Government Licence - Canada

Number:

2020-739

Caption:

Repeated pulses of HT Ca-Fe and HT Ca-K-Fe alteration and veining of metasiltstone within the NICO deposit. Stratabound amphibole alteration and stratabound albite alteration is replaced by K-feldspar and by stratabound to discordant biotite-rich alteration fronts. Faults cutting the multiple phases of stratabound alteration are infilled by a set of parallel magnetite and pyrrhotite veins with K-feldspar haloes that define a HT K-Fe mineral assemblage.

Date:

2007 06 23

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.24 MB
1083x541 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0486; Date of Field Data Capture - 2007 06 23

Geographic:

234; Northwest Territories

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Open Government Licence - Canada

Number:

2020-740

Caption:

Cobaltinitrite-stained rock slab of repeated pulses of HT Ca-Fe and HT Ca-K-Fe alteration and veining of metasiltstone within the NICO deposit. Stratabound amphibole alteration and stratabound albite alteration is replaced by K-feldspar and by stratabound to discordant biotite-rich alteration fronts. Faults cutting the multiple phases of stratabound alteration are infilled by a set of parallel magnetite and pyrrhotite veins with K-feldspar haloes that define a HT K-Fe mineral assemblage.

Date:

2007 06 23

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.21 MB
1052x541 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0486; Date of Field Data Capture - 2007 06 23

Geographic:

203; Northwest Territories

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Open Government Licence - Canada

Number:

2020-746

Caption:

Fault zone infilled by HT Ca-K-Fe alteration cutting stratabound magnetite, amphibole and arsenopyrite-altered siltstone and cut by carbonate veinlets within the NICO Au-Co-Bi-Cu ore zone.

Date:

2007 06 18

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.21 MB
1078x569 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0484; Date of Field Data Capture - 2007 06 18

Geographic:

208; Northwest Territories

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$Photo 2020-747: Amphibole-magnetite-altered siltstone fractured and infilled by stratabound to discordant calcite-magnetite alteration with arsenopyrite within the ...$

Number:

2020-747

Caption:

Amphibole-magnetite-altered siltstone fractured and infilled by stratabound to discordant calcite-magnetite alteration with arsenopyrite within the NICO Au-Co-Bi-Cu ore zone.

Date:

2007 06 15

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.26 MB
1050x566 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0466; Date of Field Data Capture - 2007 06 15

Geographic:

258; Northwest Territories

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Images can be obtained from the NRCan Photo Collection for use in publications or research. The images contained in this archive are subject to the

Open Government Licence - Canada

Number:

2020-733

Caption:

Repeated pulses of HT Ca-Fe and HT Ca-K-Fe alteration and veining of metasiltstone within the NICO deposit. The relics of albitized siltstone are selectively replaced by K-feldspar and stratabound amphibole, amphibole-magnetite, magnetite and amphibole-biotite alteration. A magnetite alteration front is preserved as it selectively replaced K-feldspar-altered layers. Renewed HT Ca-Fe facies forms amphibole veins across the stratabound alteration.

Date:

2007 06 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.26 MB
1057x728 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0480; Date of Field Data Capture - 2007 06 08

Geographic:

255; Northwest Territories

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Open Government Licence - Canada

Number:

2020-735

Caption:

Repeated pulses of HT Ca-Fe and HT Ca-K-Fe alteration of metasiltstone within the NICO deposit displaying the typical evolution of the facies from amphibole to magnetite-dominant assemblages. Stratabound replacement of wacke laminae is preferentially magnetite dominant whereas that of siltstone layers is by amphibole-magnetite (±biotite) assemblages. Renewed alteration by amphibole-magnetite-biotite destroys the bedform.

Date:

2007 06 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.12 MB
466x992 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0469; Date of Field Data Capture - 2007 06 02

Geographic:

120; Northwest Territories

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Open Government Licence - Canada

Number:

2020-736

Caption:

Cobaltinitrite-stained rock slab displaying repeated pulses of HT Ca-Fe and HT Ca-K-Fe alteration of metasiltstone within the NICO deposit. Stratabound replacement of wacke laminae is preferentially magnetite dominant whereas that of siltstone layers is by amphibole-magnetite (±biotite) assemblages. Renewed alteration by amphibole-magnetite-biotite destroys the bedform.

Date:

2007 06 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.2 MB
491x988 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0469; Date of Field Data Capture - 2007 06 02

Geographic:

195; Northwest Territories

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Open Government Licence - Canada

Number:

2020-737

Caption:

Repeated pulses of HT Ca-Fe alteration and veining of metasiltstone within the NICO deposit displaying the typical evolution of the facies from amphibole to magnetite-dominant assemblages. Stratabound replacement of wacke laminae is preferentially magnetite dominant whereas that of siltstone layers is by amphibole-magnetite (±biotite) assemblages.

Date:

2007 06 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.22 MB
640x991 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0468; Date of Field Data Capture - 2007 06 02

Geographic:

216; Northwest Territories

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Open Government Licence - Canada

Number:

2020-743

Caption:

Intense texture-destructive amphibole-magnetite-biotite alteration of siltstone cut by a series of sigmoidal lenses of pyrrhotite, pyrite and arsenopyrite forming stratabound offshoots from a discordant vein within the NICO Au-Co-Bi-Cu ore zone.

Date:

2007 06 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.22 MB
741x891 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0465; Date of Field Data Capture - 2007 06 02

Geographic:

211; Northwest Territories

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Open Government Licence - Canada

Number:

2020-744

Caption:

Discontinuous train of arsenopyrite clots cutting at high angle interlayered stratabound amphibole-magnetite and magnetite-dominant alteration within the NICO Au-Co-Bi-Cu ore zone. The discordant train of clots and the stratabound alteration are cut by a very diffuse vein with slightly coarser-grained and randomly oriented amphibole.

Date:

2007 06 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.21 MB
1028x566 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0469; Date of Field Data Capture - 2007 06 02

Geographic:

210; Northwest Territories

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Open Government Licence - Canada

Number:

2020-745

Caption:

Cobaltinitrite-stained rock slab of stratabound, amphibole-altered layers and brecciated, K-feldspar-altered layers cut by an amphibole vein and veined by arsenopyrite within the NICO Au-Co-Bi-Cu ore zone.

Date:

2007 06 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.23 MB
1094x567 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0480; Date of Field Data Capture - 2007 06 02

Geographic:

221; Northwest Territories

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Open Government Licence - Canada

Number:

2020-734

Caption:

Repeated pulses of HT Ca-Fe alteration and veining of metasiltstone within the NICO deposit displaying the typical evolution of the facies from amphibole to magnetite-dominant assemblages. Stratabound replacement of wacke layers is preferentially magnetite domiannt whereas that of siltstone layers is by amphibole-magnetite (±biotite) assemblages.

Date:

2007 06 01

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.25 MB
1078x727 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-07-0460; Date of Field Data Capture - 2007 06 01

Geographic:

248; Northwest Territories

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Open Government Licence - Canada

Number:

2020-750

Caption:

K-feldspar-amphibole-magnetite alteration with coeval brecciation at Fab Lake. Amphibole-magnetite and chalcopyrite infill the matrix. The K-feldspar replaces fragments.

Date:

2006 08 04

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.18 MB
547x970 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0392; Date of Field Data Capture - 2006 08 04

Geographic:

179; Fab Lake; Northwest Territories

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Open Government Licence - Canada

Number:

2020-721

Caption:

High-temperature Ca-Fe alteration consisting of amphibole-dominant assemblages that range from a sharp vein morphology to a replacement front within albitized porphyritic intrusion, Fab system.

Date:

2006 08 01

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
617x719 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0384; Date of Field Data Capture - 2006 08 01

Geographic:

164; Fab Lake; Northwest Territories

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Number:

2020-751

Caption:

K-feldspar-amphibole-magnetite alteration with coeval brecciation at Fab Lake. Amphibole-magnetite and chalcopyrite infill the matrix. The K-feldspar replaces fragments.

Date:

2006 08 01

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
512x969 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0384; Date of Field Data Capture - 2006 08 01

Geographic:

163; Fab Lake; Northwest Territories

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Number:

2020-700

Caption:

Stratabound white albitization and albite-clinopyroxene-actinolite alteration of sedimentary rocks west of the McLeod diorite, Port Radium-Echo Bay district.

Date:

2006 07 30

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

4.12 MB
2304x3072 pixels
180 ppi (jpeg)

Note:

Outcrop number - CQA-06-0330; Date of Field Data Capture - 2006 07 30

Geographic:

4022; McLeod Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-713

Caption:

Albitite breccia above the 1.87 Ga Mile Lake diorite (Port Radium-Echo Bay district) where early stratabound to pervasive white albitite is brecciated and the albitite breccia overprinted by pink albite along alteration fronts across clasts and matrix, along bedform within clasts, at clast margins or pervasive across clasts. A subsequent K-feldspar alteration (yellow stain from hydrofluoric etching and cobaltinitrite staining) is clast selective and the increased intensity of alteration along fragment margins provides conclusive evidence that this alteration postdates brecciation.

Date:

2006 07 25

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.28 MB
1180x888 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0356; Date of Field Data Capture - 2006 07 25

Geographic:

272; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-757

Caption:

Rebrecciated volcaniclastic breccia with medium- to coarse-grained skarn matrix mineralized in copper sulphides and replaced by K-feldspar, Mile Lake, Port Radium-Echo Bay district. The K-feldspar alteration forms faint alteration fronts that replace matrix, clast margins and entire clasts. The most intense K-feldspar alteration fronts have a darker pink to red hue whereas the darker red hue corresponds to hematite-stained K-feldspar.

Date:

2006 07 17

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.16 MB
604x868 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0306; Date of Field Data Capture - 2006 07 17

Geographic:

154; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-761

Caption:

Outcrop of K-felsite breccia due north of Mile Lake replacing albitized porphyritic andesite.

Date:

2006 07 15

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.2 MB
558x902 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0296; Date of Field Data Capture - 2006 07 15

Geographic:

192; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-762

Caption:

Cobaltinitrite-stained rock slab of K-felsite breccia replacing albitized porphyritic andesite due north of Mile Lake, Port Radium-Echo Bay district.

Date:

2006 07 15

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.06 MB
503x344 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0296; Date of Field Data Capture - 2006 07 15

Geographic:

58; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-763

Caption:

Cobaltinitrite-stained rock slab of K-felsite breccia replacing albitized porphyritic andesite due north of Mile Lake, Port Radium-Echo Bay district. Matrix amphibole within the crackle breccia is only obvious on stained slabs.

Date:

2006 07 15

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.06 MB
286x549 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0296; Date of Field Data Capture - 2006 07 15

Geographic:

63; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-756

Caption:

Volcaniclastic breccia replaced by skarn and stratabound K-feldspar alteration with a red hue that overprints skarn matrix and fragments, Mile Lake, Port Radium-Echo Bay district.

Date:

2006 07 14

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.2 MB
652x869 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0289; Date of Field Data Capture - 2006 07 14

Geographic:

197; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-758

Caption:

Cobaltinitrite-stained rock slab of Mile Lake breccia where skarn assemblages infill breccia matrix and K-feldspar alteration (yellow stain) replaces some components of the breccia matrix as well as clasts (Mile Lake, Port Radium-Echo Bay district). Alteration of clasts is pervasive or selective forming a selvage along clast margins and infiltrating fractures within clasts.

Date:

2006 07 14

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.12 MB
406x870 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0289; Date of Field Data Capture - 2006 07 14

Geographic:

120; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-759

Caption:

Cobaltinitrite-stained rock slab of Mile Lake breccia where skarn assemblages infill breccia matrix and K-feldspar alteration (yellow stain) replaces some components of the breccia matrix as well as clasts (Mile Lake, Port Radium-Echo Bay district). Alteration of clasts is pervasive and locally selectively more intense along clast margins.

Date:

2006 07 14

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.13 MB
450x869 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0289; Date of Field Data Capture - 2006 07 14

Geographic:

131; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-760

Caption:

Fine-grained skarn pervasively replaced by a K-felsite and cut by epidote within the Mile Lake breccia, Mile Lake, Port Radium-Echo Bay district

Date:

2006 07 14

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.13 MB
456x902 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-289; Date of Field Data Capture - 2006 07 14

Geographic:

127; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-768

Caption:

Replacive hematite alteration of porphyritic andesite. Layers with local preservation of plagioclase phenocrysts pervasively altered to quartz among a pervasively hematite-altered groundmass are interlayered with porphyritic andesite pervasively altered to hematite, Fe zone, southeast arm of Echo Bay, Port Radium-Echo Bay district, Great Bear magmatic zone.

Date:

2006 07 13

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.27 MB
733x1015 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0273; Date of Field Data Capture - 2006 07 13

Geographic:

260; Port Radium; Northwest Territories; Echo Bay

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Number:

2020-769

Caption:

Replacive hematite alteration of porphyritic andesite that completely destroyed the porphyritic texture but preserved some of the bedforms among a more common massive hematite-dominant metasomatite, Fe zone, southeast arm of Echo Bay, Port Radium-Echo Bay district, Great Bear magmatic zone.

Date:

2006 07 13

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.13 MB
434x1016 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-06-0273; Date of Field Data Capture - 2006 07 13

Geographic:

132; Port Radium; Northwest Territories; Echo Bay

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Number:

2020-712

Caption:

Stratabound brecciation of albitized volcaniclastic rocks above the 1.87 Ga Mile Lake diorite, Port Radium-Echo Bay district. Early stratabound to pervasive white albitite is brecciated and the albitite breccia is overprinted by pink albite. Fine-grained skarn assemblages fill the breccia matrix and clasts and matrix and albitite layers are in part overprinted by a K-feldspar alteration.

Date:

2005 08 11

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.34 MB
945x885 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0218; Date of Field Data Capture - 2005 08 11

Geographic:

334; Mile Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-701

Caption:

Albitite with clots of actinolite (and minot clinopyroxene) of sedimentary rocks west of and structurally above the McLeod diorite intrusion, Port Radium-Echo Bay district, Great Bear magmatic zone.

Date:

2005 08 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

2.52 MB
3072x2304 pixels
180 ppi (jpeg)

Note:

Outcrop number - CQA-05-0195; Date of Field Data Capture - 2005 08 08

Geographic:

2457; McLeod Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-706

Caption:

Albitite at the contact with the 1.87 Ga McLeod Lake intrusion, Port Radium-Echo Bay district, Great Bear magmatic zone, Northwest Territories. The darker layers consist of stratabound albite-actinolite±clinopyroxene alteration of the sedimentary or volcaniclastic host rocks as well as of alteration fronts and veins emplaced along or cutting across layering. A second generation of pink albitite overprints the white albitite.

Date:

2005 08 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

3.46 MB
3072x2304 pixels
180 ppi (jpeg)

Note:

Outcrop number - CQA-05-0195; Date of Field Data Capture - 2005 08 08

Geographic:

3382; McLeod Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-707

Caption:

Date:

2005 08 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.05 MB
420x624 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0195; Date of Field Data Capture - 2005 08 08

Geographic:

49; McLeod Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-708

Caption:

Date:

2005 08 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

1.13 MB
756x619 pixels
200 ppi (TIFF)

Note:

Outcrop number - CQA-05-0195; Date of Field Data Capture - 2005 08 08

Geographic:

1104; McLeod Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-709

Caption:

Stained rock slab of disseminated actinolite and clinopyroxene (stains green) in albitite (stains white) from the Port Radium-Echo Bay district, Great Bear magmatic zone, Northwest Territories. A K-feldspar overprint stains yellow. Stained = hydrofluoric etching followed by cobaltinitrite staining.

Date:

2005 08 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.1 MB
520x625 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0195; Date of Field Data Capture - 2005 08 08

Geographic:

94; McLeod Lake; Northwest Territories; Port Radium; Echo Bay

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Open Government Licence - Canada

Number:

2020-748

Caption:

Amphibole-magnetite vein with an albite halo that evolved to K-feldspar, cutting albitized porphyritic andesite structurally above the McLeod Lake diorite intrusion, McLeod Lake area, Port Radium-Echo Bay district.

Date:

2005 08 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.21 MB
651x968 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0201; Date of Field Data Capture - 2005 08 08

Geographic:

202; McLeod Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-749

Caption:

Amphibole-magnetite stockwork with albite halos that evolved to K-feldspar haloes and cutting albitized porphyritic andesite structurally above the McLeod Lake diorite intrusion, McLeed Lake area, Port Radium-Echo Bay district.

Date:

2005 08 08

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.15 MB
405x966 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0201; Date of Field Data Capture - 2005 08 08

Geographic:

147; McLeod Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-717

Caption:

Moderaly albitized porphyritic andesite replaced by a HT Na-Ca-Fe alteration, southeast arm of Echo Bay, Port Radium-Echo Bay district. The porphyritic andesite is albitized and progressively replaced by texture-destructive pegmatitic HT Na-Ca-Fe alteration consisting of randomly oriented metasomatic poikiloblastic rod-shape albite crystals and interstitial fine-grained amphibole.

Date:

2005 08 03

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.26 MB
466x1142 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0128; Date of Field Data Capture - 2005 08 03

Geographic:

253; Echo Bay; Northwest Territories; Port Radium

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Number:

2020-703

Caption:

Endocontact albitite zone of the mildly albitized Contact Lake diorite intrusion, Port Radium-Echo Bay district, Great Bear magmatic zone, Northwest Territories.

Date:

2005 08 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

4.07 MB
3072x2304 pixels
180 ppi (jpeg)

Note:

Outcrop number - CQA-05-0124; Date of Field Data Capture - 2005 08 02

Geographic:

3978; Contact Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-704

Caption:

Rock slab of a medium- to coarse-grained hypidiomorphic albitite (pink) sampled along the endocontact zone of the Contact Lake diorite intrusion wit local K-feldspar overprint (deep orange hue), Port Radium-Echo Bay district, Great Bear magmatic zone, Northwest Territories

Date:

2005 08 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.09 MB
741x570 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0124; Date of Field Data Capture - 2005 08 02

Geographic:

89; Contact Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-705

Caption:

Cobaltinitrite-stained rock slab of a medium- to coarse-grained hypidiomorphic albitite (stains white) sampled along the endocontact zone of the Contact Lake diorite intrusion with local K-feldspar overprint (stains yellow), Port Radium-Echo Bay district, Great Bear magmatic zone, Northwest Territories. Rock slabs are stained through hydrofluoric etching followed by cobaltinitrite staining.

Date:

2005 08 02

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.07 MB
634x569 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0124; Date of Field Data Capture - 2005 08 02

Geographic:

70; Contact Lake; Northwest Territories; Port Radium; Echo Bay

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Number:

2020-719

Caption:

Porphyritic andesite pervasively replaced by pseudopegmatitic albite rod (internally consisting of microcristalline albite neoblast) and interstitial medium-to coarse-grained magnetite and amphibole, Mag Hill area, southeast arm of Echo Bay, Port Radium-Echo Bay district.

Date:

2005 08 01

Photographer:

Mumin, A H

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
437x1143 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0113; Date of Field Data Capture - 2005 08 01

Geographic:

166; Echo Bay; Northwest Territories; Port Radium

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Number:

2020-720

Caption:

Porphyritic andesite pervasively replaced by pseudopegmatitic albite rod (internally consisting of microcristalline albite neoblast) and interstitial medium-to coarse-grained apatite and amphibole, Mag Hill prospect area, southeast arm of Echo Bay, Port Radium-Echo Bay district.

Date:

2005 08 01

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.15 MB
363x1142 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0113; Date of Field Data Capture - 2005 08 01

Geographic:

143; Echo Bay; Northwest Territories; Port Radium

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Number:

2020-714

Caption:

Heterogeneous albitite with zoned patches stemming from incremental albitization, southeast arm of Echo Bay, Port Radium-Echo Bay district. Some albitite zones display radial rods of albite, a zone is brecciated and infilled by an amphibole-bearing assemblage.

Date:

2005 07 30

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.16 MB
875x711 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0105; Date of Field Data Capture - 2005 07 30

Geographic:

156; Echo Bay; Northwest Territories; Port Radium

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Number:

2020-715

Caption:

Dissolution breccia of albitite where heterogeneous albitite with zoned patches stemming from incremental albitization have been dissolved and replaced by albite and amphibole assemblages, southeast arm of Echo Bay, Port Radium-Echo Bay district.

Date:

2005 07 30

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.23 MB
1251x713 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0105; Date of Field Data Capture - 2005 07 30

Geographic:

229; Echo Bay; Northwest Territories; Port Radium

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Number:

2020-716

Caption:

Least-altered andesite with plagioclase phenocrysts partly to locally pervasively albitized, southeast arm of Echo Bay, Port Radium-Echo Bay district.

Date:

2005 07 30

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.08 MB
339x1146 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0095; Date of Field Data Capture - 2005 07 30

Geographic:

79; Echo Bay; Northwest Territories; Port Radium

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Number:

2020-718

Caption:

Porphyritic andesite pervasively replaced by albite and amphibole with poor crystallinity, southeast arm of Echo Bay, Port Radium-Echo Bay district.

Date:

2005 07 30

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.17 MB
527x1147 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0095; Date of Field Data Capture - 2005 07 30

Geographic:

166; Echo Bay; Northwest Territories; Port Radium

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Number:

2020-722

Caption:

High-temperature Ca-Fe alteration consisting of magnetite-dominant veins with amphibole and apatite transitioning to breccia within albitized andesite, Port Radium-Echo Bay district.

Date:

2005 07 30

Photographer:

Corriveau, L

Collection:

Natural Resources Canada

Hi-Resolution:

0.19 MB
930x718 pixels
300 ppi (jpeg)

Note:

Outcrop number - CQA-05-0100; Date of Field Data Capture - 2005 07 30

Geographic:

191; Port Radium; Northwest Territories; Echo Bay

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Date modified:: 2021-03-02