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TitleLower Paleozoic strata in the Labrador-Baffin Seaway (Canadian margin) and Baffin Island
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorBingham-Koslowski, NORCID logo; Zhang, S; McCartney, TORCID logo
SourceGeological synthesis of Baffin Island (Nunavut) and the Labrador-Baffin Seaway; by Dafoe, L TORCID logo (ed.); Bingham-Koslowski, NORCID logo (ed.); Geological Survey of Canada, Bulletin 608, 2022 p. 79-106, Open Access logo Open Access
PublisherNatural Resources Canada
Mediaon-line; digital
RelatedThis publication is contained in Geological synthesis of Baffin Island (Nunavut) and the Labrador-Baffin Seaway
File formatpdf; html
ProvinceNunavut; Newfoundland and Labrador; Northern offshore region
NTS16; 25G; 25H; 25I; 25J; 25K; 25L; 25M; 25N; 25O; 25P; 26; 27; 35P; 36; 37; 38A; 38B; 38C; 38D; 47C; 47D; 47E; 47F; 47G; 47H; 48A; 48B; 48C; 48D; 57E; 57H; 58A; 58D
AreaBaffin Island; Davis Strait; Cumberland Sound; Frobisher Bay; Labrador; Labrador Sea; Canada
Lat/Long WENS -90.5000 -54.0000 74.0000 52.0000
Subjectsregional geology; stratigraphy; paleontology; structural geology; geophysics; mineralogy; fossil fuels; Science and Technology; Nature and Environment; bedrock geology; lithology; sedimentary rocks; carbonates; limestones; dolostones; clastics; shales; sandstones; siltstones; dolomites; igneous rocks; volcanic rocks; structural features; faults; faults, normal; systematic stratigraphy; lithostratigraphy; nomenclature; stratigraphic correlations; continental margins; continental shelf; geophysical interpretations; seismic interpretations; geophysical logging; exploration wells; core samples; petroleum resources; petroleum occurrence; source rocks; geological history; tectonic history; rifting; faulting; folding; erosion; depositional history; burial history; diagenesis; biostratigraphy; palynology; palynomorphs; fossils; fossil assemblages; depositional environment; paleoenvironment; thin section microscopy; Labrador Margin; Labrador Shelf; Saglek Basin; Hopedale Basin; Hopedale E-33 Well; South Hopedale L-39 Well; Tyrk P-100 Well; Gudrid H-55 Well; Roberval K-92 Well; Indian Harbour M-52 Well; Freydis B-87 Well; Gallery Formation; Turner Cliffs Formation; Ship Point Formation; Baillarge Formation; Cape Crauford Formation; Frobisher Bay Formation; Amadjuak Formation; Akpatok Formation; Foster Bay Formation; Baffin Island Shelf; Indian Harbour Formation; Greenland Margin; Phanerozoic; Paleozoic; Silurian; Ordovician; Cambrian
Illustrationslocation maps; lithologic sections; geophysical logs; profiles; photographs; photomicrographs; geoscientific sketch maps; correlation charts; tables
ProgramGEM2: Geo-mapping for Energy and Minerals Baffin Region Atlas
Released2022 08 15
AbstractLower Paleozoic strata occur offshore Labrador (Middle to Upper Ordovician), offshore Baffin Island in western Davis Strait (Upper Ordovician), as well as onshore Baffin Island (Cambrian to Silurian). Paleozoic carbonate rocks (limestone and dolostone units) dominate with occurrences of siliciclastic strata found in the offshore Labrador subsurface (in the Freydis B-87 well) and in outcrop on Baffin Island. In the Labrador-Baffin Seaway, Lower Paleozoic strata primarily exist as isolated erosional remnants, where historically, minimal effort has been made to correlate Paleozoic outliers due to their lateral discontinuity coupled with inconsistent age data. The Lower Paleozoic of the Labrador-Baffin Seaway and Baffin Island can be viewed as two subsets that do not appear to be correlatable: the southern Lower Paleozoic of the Labrador margin and the northern Lower Paleozoic of the southeastern Baffin Shelf and onshore Baffin Island.
Summary(Plain Language Summary, not published)
Lower Paleozoic strata composed of Cambrian, Ordovician, and Silurian carbonate and siliciclastic rocks occur offshore Labrador (Middle to Upper Ordovician limestones and dolostones), offshore Baffin Island in the western Davis Strait (Upper Ordovician limestones), as well as onshore Baffin Island (Cambrian to Silurian). Lower Paleozoic strata is not continuous across the region and occurs for the most part as isolated erosional remnants. Paleozoic strata in the Labrador-Baffin Seaway and onshore Baffin Island is largely understudied due to its sparse nature and the lack of age control. An overview of the research on the ages and lithologies that compose the lower Paleozoic strata in the three main regions is presented in this paper and correlations within theses regions and between regions is discussed. This paper is Paper 4 in the Baffin Island and the Labrador-Baffin Seaway Geological Synthesis, a Geo-mapping for Energy and Minerals GSC Compendium.

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