| Title | Bedrock geology, Lac des Bois, Northwest Territories |
| Download | Downloads |
| |
| Licence | Please note the adoption of the Open Government Licence - Canada
supersedes any previous licences. |
| Author | Fallas, K M |
| Source | Geological Survey of Canada, Canadian Geoscience Map 308, 2018, 1 sheet, https://doi.org/10.4095/306201  Open Access |
| Image |  |
| Year | 2018 |
| Publisher | Natural Resources Canada |
| Document | serial |
| Lang. | English |
| Maps | 1 map |
| Map Info. | geological, bedrock geology, 1:250,000 |
| Projection | Universal Transverse Mercator Projection, UTM zone 10 (NAD83) |
| Media | on-line; digital |
| Related | NRCan photo(s) in this
publication |
| Related | For all publications in this group, see the
following publications |
| File format | readme
|
| File format | pdf (Adobe® Reader®); rtf; gdb (ESRI® ArcGIS(TM) v.10.x); shp (ESRI® ArcGIS(TM) v.10.x); xml (ESRI® ArcGIS(TM) v.10.x); mxd (ESRI® ArcGIS(TM) v.10.x); xls (Microsoft® Excel® 2010) |
| Province | Northwest Territories |
| NTS | 96K |
| Area | Lac des Bois; Great Bear Lake; Smith Arm; Sahtu Settlement Area; Colville Hills |
| Lat/Long WENS | -126.0000 -124.0000 67.0000 66.0000 |
| Subjects | regional geology; geophysics; paleontology; fossil fuels; economic geology; bedrock geology; lithology; sedimentary rocks; conglomerates; shales; mudstones; sandstones; arenites; carbonates; limestones;
dolostones; evaporites; gypsum; anhydrite; oolites; clasts; brecciation; basement geology; sedimentary structures; structural features; faults; faults, thrust; faults, reverse; folds; anticlines; synclines; monoclines; unconformities; karst
topography; sinkholes; systematic stratigraphy; stratigraphic analyses; stratigraphic correlations; bedding planes; biostratigraphy; fossils; seismic data; seismic reflection surveys; seismic interpretations; structural analyses; structural
interpretations; tectonic interpretations; deformation; sediments; sands; gravels; muds; glacial deposits; glaciofluvial deposits; glaciolacustrine deposits; eolian deposits; provenance; pebble lithology; petroleum resources; petroleum occurrence;
oil seeps; oil; gas; exploration wells; gas wells; well locations; oil sands; sand, commodity; gravel, commodity; Paleogene; Eocene; Neyelle Lake Fault; Tunago Ridge Fault; Wright Lakes Fault; Lugewa Fault; Good Hope Fault; Martin House Formation;
Summit Creek Formation; Arctic Red Formation; Slater River Formation; Bear Rock Assemblage; Bear Rock Formation; Delorme Group; Arnica Formation; Landry Formation; Mount Kindle Formation; Franklin Mountain Formation; Saline River Formation; Mount Cap
Formation; Mount Clark Formation; Maunoir Arch; Mackenzie Plain; Langton Bay Formation; Horton River Formation; Anderson Plain; Laurentide Ice Sheet; Cordilleran Orogen; Ronning Group; Phanerozoic; Cenozoic; Quaternary; Tertiary; Mesozoic;
Cretaceous; Paleozoic; Devonian; Silurian; Ordovician; Cambrian; Precambrian; Proterozoic |
| Illustrations | location maps; index maps; geoscientific sketch maps; schematic cross-sections; photographs |
| Program | GEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor, Shield to Selwyn |
| Program | Polar Continental Shelf Program
|
| Released | 2018 03 01 |
| Abstract | The Lac des Bois map area (NTS 96-K) lies within the Colville Hills region of the Northwest Territories. Sparse bedrock exposures in the area include carbonate and siliciclastic strata ranging from
Cambrian to Paleogene. These strata were deformed in the Cretaceous to Eocene by folding and contractional faulting associated with Cordilleran deformation. A pre-Cordilleran set of approximately north-trending extensional faults are preserved within
subsurface Proterozoic and Cambrian strata, and were locally reactivated by Cordilleran deformation. A major unconformity between Devonian and Cretaceous strata is marked by tilted Paleozoic strata beneath the Cretaceous, and the absence of Devonian
strata in the eastern part of the map area. Natural gas has been reported from petroleum exploration wells drilled into Mount Clark Formation (Cambrian) sandstone. |
| Summary | (Plain Language Summary, not published)
This publication is a new bedrock interpretation at 1:250,000 scale for the Lac des Bois map area (NTS 96K). Stratigraphic and structural features have
been reinterpreted based on field observations, petroleum exploration well data, and reflection-seismic data. |
| GEOSCAN ID | 306201 |
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