| Title | Composite stratigraphic section of exceptionally exposed middle Bylot Supergroup carbonate rocks along Tremblay Sound, northwestern Baffin Island, Nunavut |
| Author | Gibson, T M; Wörndle, S; Halverson, G P; Agic, H; Lamothe, K G; Rainbird, R H; Skulski, T |
| Source | Canada-Nunavut Geoscience Office, Summary of Activities 2017, 2017 p. 81-91 |
| Links | Online - En ligne
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| Year | 2017 |
| Alt Series | Natural Resources Canada, Contribution Series 20170252 |
| Publisher | Canada-Nunavut Geoscience Office |
| Document | serial |
| Lang. | English |
| Media | paper; on-line; digital |
| File format | pdf |
| Province | Nunavut |
| NTS | 48A/01; 48A/02; 48A/07; 48A/08; 48A/09; 48A/10 |
| Area | Baffin Island; Tremblay Sound |
| Lat/Long WENS | -82.0000 -80.0000 72.7500 72.0000 |
| Subjects | stratigraphy; tectonics; paleontology; mineralogy; economic geology; field work; bedrock geology; lithology; sedimentary rocks; carbonate rocks; conglomerates; sandstones; siltstones; shales; igneous
rocks; volcanic rocks; tuffs; basalts; structural features; faults; fractures; intrusions; dykes; stratigraphic analyses; tectonostratigraphic zones; tectonic history; depositional history; unconformities; micropaleontology; microfossils; fossil
assemblages; microorganisms; sedimentary structures; lithofacies; mineral potential; mineral occurrences; base metals; zinc; lead; silver; copper; mineralization; ore mineral genesis; ore controls; Neoproterozoic; Mesoproterozoic; Bylot Supergroup;
Borden Basin; Uluksan Group; Iqqittuq Formation; Angmaat Formation; Victor Bay Formation; Athole Point Formation; Milne Inlet Graben; Eukaryotes; Nanisivik Formation; Franklin Dykes; siliciclastics; Precambrian; Proterozoic |
| Illustrations | location maps; geoscientific sketch maps; stratigraphic sections; photographs; lithologic sections |
| Program | GEM2:
Geo-mapping for Energy and Minerals, Baffin Bedrock Mapping |
| Released | 2017 01 01 |
| Abstract | Over the course of this project, nine stratigraphic sections of the ~1050 Ma middle Bylot Supergroup in the Borden Basin were measured, logged and sampled from five camps set up along Tremblay Sound,
northwestern Baffin Island, Nunavut. Together, these provide a nearly continuous composite stratigraphic section ~1700 m thick of the carbonate-dominated Iqqittuq, Angmaat, Victor Bay and Athole Point formations. This study broadly confirms previous
depositional interpretations of the Borden Basin. In addition, this remarkably complete composite stratigraphic section along Tremblay Sound contains an unusually thick section of the Athole Point Formation that preserves a tuff bed. Samples from
this composite section will be used in future geochemical, paleontological and geochronological investigations to gain a better understanding of the geological history of the Bylot Supergroup, and to characterize the depositional environments and
biological diversity near the 1000 Ma Mesoproterozoic-Neoproterozoic transition. |
| Summary | (Plain Language Summary, not published)
Over the course of this project, nine stratigraphic sections of the ~1050 million year-old (Ma) middle Bylot Supergroup in the Borden Basin were
measured, logged and sampled from five fly camps along Tremblay Sound, northwestern Baffin Island, Nunavut. Together these provide a nearly continuous ~1700 m-thick composite stratigraphic section of the carbonate-dominated Iqqittuq, Angmaat, Victor
Bay and Athole Point formations. This study broadly confirms previous depositional interpretations of the Borden Basin, and the remarkably complete composite stratigraphic section along Tremblay Sound contains an unusually-thick section of the Athole
Point Formation. Samples from this composite section will be implemented in future geochemical, paleontological and geochronological investigations aimed at better understanding the geological history of the Bylot Supergroup and characterizing the
depositional environments and biological diversity near the 1000 Ma Mesoproterozoic¿Neoproterozoic transition. |
| GEOSCAN ID | 306154 |
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