| Title | Mesoproterozoic Borden Basin, northern Baffin Island |
| Download | Downloads |
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| Licence | Please note the adoption of the Open Government Licence - Canada
supersedes any previous licences. |
| Author | Turner, E C |
| Source | Geological synthesis of Baffin Island (Nunavut) and the Labrador-Baffin Seaway; by Dafoe, L T (ed.); Bingham-Koslowski, N (ed.); Geological Survey of Canada, Bulletin 608, 2022 p. 55-77, https://doi.org/10.4095/321825  Open Access |
| Image |  |
| Year | 2022 |
| Publisher | Natural Resources Canada |
| Document | serial |
| Lang. | English |
| Media | on-line; digital |
| Related | This publication is contained in Geological synthesis of
Baffin Island (Nunavut) and the Labrador-Baffin Seaway |
| File format | pdf; html |
| Province | Nunavut |
| NTS | 37G; 38B/01; 38B/02; 38B/03; 38B/04; 38B/05; 38B/06; 47G/01; 47G/08; 47G/09; 47G/10; 47G/15; 47G/16; 48A; 48B/01; 48B/02; 48B/07; 48B/08; 48B/09; 48B/10; 48B/15; 48B/16; 48C/01; 48C/02; 48C/07; 48C/08;
48D/01; 48D/02; 48D/03; 48D/04; 48D/05; 48D/06; 48D/07; 48D/10; 48D/11; 48D/12 |
| Area | Baffin Island; Borden Peninsula |
| Lat/Long WENS | -86.0000 -76.0000 74.0000 71.0000 |
| Subjects | regional geology; stratigraphy; structural geology; tectonics; geochronology; economic geology; paleontology; Science and Technology; Nature and Environment; bedrock geology; basement geology;
lithology; igneous rocks; volcanic rocks; basalts; breccias; sedimentary rocks; arenites; siltstones; shales; carbonates; dolostones; flysch; molasse; clastics; structural features; faults; fault zones; grabens; geological history; basin evolution;
unconformities; depositional history; depositional environment; paleoenvironment; clasts; provenance; tectonic evolution; tectonic history; rifting; plate margins; continental margins; deformation; intrusions; dykes, mafic; emplacement; faulting;
magmatism; correlations; paleomagnetism; radiometric dating; uranium lead dating; zircon dates; field relations; stratigraphic analyses; tectonostratigraphic zones; lithostratigraphy; geometric analyses; metallogeny; mineral deposits; mineral
occurrences; base metals; zinc; lead; copper; sulphides; pyrite; ore mineral genesis; ore controls; micropaleontology; microfossils; Archean; Mesoproterozoic; Borden Basin; Bylot Supergroup; Nauyat Formation; Adams Sound Formation; Arctic Bay
Formation; Fabricius Fiord Formation; Iqqittuq Formation; Ikpiarjuk Formation; Angmaat Formation; Nanisivik Formation; Nanisivik Deposit; Victor Bay Formation; Athole Point Formation; Strathcona Sound Formation; Aqigilik Formation; Sinasiuvik
Formation; Grenville Orogen; Franklinian Margin; Milne Inlet Graben; Eclipse Trough; Mackenzie Large Igneous Province; White Bay Fault Zone; Tikirarjuaq Fault Zone; Magda Fault Zone; Baffin Fault Zone; Keystone Fault; Keystone Graben; Franklin Dykes;
Paleoproterozoic; Precambrian; Proterozoic |
| Illustrations | location maps; geoscientific sketch maps; stratigraphic charts; photographs; cross-sections; schematic cross-sections |
| Program | GEM2: Geo-mapping for Energy and Minerals Baffin Region Atlas |
| Released | 2022 08 15 |
| Abstract | The unmetamorphosed and nearly undeformed late Mesoproterozoic Borden Basin on northern Baffin Island exhibits sag, rift, and foreland-basin-like phases. A thin, partly subaqueous basal basalt is
overlain by mature shallow-marine quartz arenite, upward-deepening siltstone and shale (marking the beginning of rifting), a complex suite of rift-delineated carbonate units containing two dramatic internal unconformities, and a flysch-molasse-like
succession containing evidence of sediment derivation from the Grenville Orogen. Geochronological data indicate that deposition of most of the succession took place ca. 1100 to 1050 Ma. One of the carbonate intervals, Nanisivik Formation, is the main
host of regional Zn-Pb showings including the past-producing Nanisivik orebody, which formed in the late Mesoproterozoic from low-temperature fluids, and which was emplaced under strong structural and stratigraphic controls. Minimal postdepositional
deformation is limited to the emplacement of mafic dykes ca. 720 Ma and repeated reactivation of basement-rooted normal faults. |
| Summary | (Plain Language Summary, not published)
The focus of this paper is on the geological and structural composition of the Mesoproterozoic Borden Basin in northern Baffin Island. An overview of the
research conducted on the Borden Basin is given. The stratigraphy of the basin along with interpretations of the depositional environments is discussed and detailed formation descriptions are provided. The latest geochronological data for the Bylot
Supergroup is summarized and the tectonostratigraphic evolution of the basin is presented. Possible correlations of the Borden Basin with other Bylot basins is considered. This is Paper 3 in the Baffin Island and the Labrador-Baffin Seaway Geological
Synthesis (B608). |
| GEOSCAN ID | 321825 |
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