| Title | Basins and fold belts of Prince Patrick Island and adjacent area, Canadian Arctic Islands |
| Download | Downloads |
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| Licence | Please note the adoption of the Open Government Licence - Canada
supersedes any previous licences. |
| Author | Harrison, J C; Brent, T A |
| Source | Geological Survey of Canada, Bulletin no. 560, 2005, 208 pages; 1 CD-ROM, https://doi.org/10.4095/220345  Open Access |
| Image |  |
| Year | 2005 |
| Publisher | Natural Resources Canada |
| Document | serial |
| Lang. | English |
| Maps | Publication contains 1 map |
| Map Info. | geological, bedrock, structural, lithological, 1:250,000 |
| Media | paper; CD-ROM; digital; on-line |
| Related | This publication is accompanied by Bedrock geology, Prince
Patrick and Eglinton Islands and the surrounding channels, Canadian Arctic Archipelago, Northwest Territories |
| Related | This publication contains the following
publications |
| File format | pdf (Adobe® Acrobat® Reader® v. 5.1 is included / est fourni) |
| Province | Northwest Territories |
| NTS | 88G; 89A/05; 89A/12; 89A/13; 89B; 89C; 89D/04; 89D/05; 89D/12; 98H; 99A |
| Area | Prince Patrick Island; Eglinton Island |
| Lat/Long WENS | -123.0000 -115.0000 77.7500 75.2500 |
| Subjects | structural geology; tectonics; sedimentology; paleontology; geophysics; stratigraphy; sedimentary basins; basin analysis; basins; rifts; structural analyses; structural features; folds; faults; faults,
thrust; structural interpretations; tectonic evolution; tectonic environments; tectonic interpretations; tectonic elements; manganese ores; sub-bituminous coal; coal; Lower Carboniferous; Lower Cretaceous; bedrock geology; fossil zones;
biostratigraphy; bouguer anomalies; total field magnetics; seismic interpretations; seismic profiles; stratigraphic correlations; stratigraphic analyses; grabens; wells; isochrons; magnetic disturbances; thermal maturation; thermal alteration index;
hydrocarbon generation; Kitson Formation; Blacley Formation; Cape de Bray Formation; Schei Point Group; Grosvenor Island Formation; Jameson Bay Formation; McConnell Island Formation; Hiccles Cove Formation; Ringnes Formation; Awingak Formation; Deer
Bay Formation; Isachsen Formation; Christopher Formation; Kanguk Formation; Prince Patrick Uplift; Sverdrup Basin; Satellite F-68 well; Wilkie Point J-51 well; Weatherall Formation; Jameson Bay C-31 well; Eglinton P-24 well; Tullett Basin; Green Bay
Uplift; Green Bay Graben; Tullett Point Basin; Mould Bay Graaben; Tullett Central Graben; Richards Pint Graben; Hardinge Bay Graben; Houghton Head Graben; M'Clure Strait Basin; Cape Cam Graben; Arctic Continental Terrace Wedge; Beaufort Formation;
ammonites; bivalvia; dinoflagellata; foraminifera; Cenozoic; Triassic; Jurassic; Cretaceous; Mesozoic; Quaternary; Tertiary; Permian; Carboniferous; Mississippian; Devonian; Pennsylvanian; Silurian; Proterozoic |
| Illustrations | sketch maps; cross-sections; seismic profiles |
| Released | 2005 09 01 |
| Abstract | Prince Patrick and Eglinton islands have a polar desert climate and a landscape of coastal plains and dissected plateaux with limited vegetation cover. Use of a properly damped surveyor's compass is
possible, however, magnetic declination changes markedly over short distances and large temporal variations are present.
Bedrock of the report area is divisible into four major successions. These include: 1) 14 to 18 km of Proterozoic(?)
and/or older bedrock above the Mohorovicic Discontinuity; 2) 10 to 14 km of thermally overmature but variably tectonized ("Franklinian") strata that range from Vendian(?) at the base through Upper Devonian at the top; 3) less than 1 km grading to
more than 7 km of thermally mature and immature, relatively undeformed Carboniferous through Lower Cretaceous strata of the Sverdrup Basin, including up to 2 km of Middle Jurassic through Upper Cretaceous strata preserved in four peripheral basins
and numerous small grabens; and 4) 70 m to more than 600 m of unconsolidated Pliocene sand, gravel, and peat, and related seismically defined Neogene strata of the Arctic Continental Terrace Wedge. The Franklinian succession is further subdivided
into siliciclastic rocks of the Devonian clastic wedge (up to 6000 m thick), subsurface Lower Devonian and older strata of the Prince Patrick Platform, and correlative seismically defined deep-water strata of Canrobert Trough.
A thrust-fold
belt imaged seismically in the northeast is continuous with folds known at the surface on northwestern Melville Island, and folded Devonian strata are everywhere separated from Carboniferous and younger rocks by a profound angular unconformity. Other
lower Paleozoic folds extend under southwestern Prince Patrick Island. A Carboniferous rift system located under the Sverdrup Basin margin has developed on the eroded roots of the Paleozoic fold belt. The rift formed in the Early Carboniferous
(Serpukhovian), expanded to the southwest during the later Carboniferous, and was partly inverted during the Early Permian. Mid-Permian through early Middle Jurassic was a time of passive subsidence and progressive basin expansion toward the
southwest. During Sverdrup Basin subsidence, four intracratonic basins, separated by Devonian "basement" highs, developed to the southwest between Middle Jurassic and Late Cretaceous time. An array of northerly trending horsts and grabens also
developed during this time, part of a rift system that provides a geological record of the early
development of the Arctic Ocean basin.
Potential exists for far-travelled hydrocarbons within the Permo-Carboniferous and Jurassic-Cretaceous
rift systems and in stratigraphic traps on the margins of the Mesozoic basins. Subbituminous coal seams to 1.5 m occur in Lower Cretaceous strata, and deposits of manganese carbonate are widespread in Campanian sandstone of Eglinton Island.
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| GEOSCAN ID | 220345 |
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