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TitleNeoproterozoic-Cambrian stratigraphy of the Mackenzie Mountains, northwestern Canada, part II: archival stratigraphic data for the Backbone Ranges Formation and related units, Mackenzie Mountains, Northwest Territories, Canada (NTS 95-L and 105-P)
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorMacNaughton, R BORCID logo
SourceGeological Survey of Canada, Open File 8668, 2020, 26 pages, Open Access logo Open Access
Alt SeriesNorthwest Territories Geological Survey Contribution 0143
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
RelatedNRCan photo(s) in this publication
RelatedThis publication is related to the following publications
File formatpdf
ProvinceNorthwest Territories
NTS95L/05; 95L/06; 95L/11; 95L/12; 105I/08; 105I/09; 105P/08
AreaMackenzie Mountains; Sekwi Brook; Risky Peak; Glacier Lake; South Nahanni River; Broken Skull River; Avalanche Lake
Lat/Long WENS-128.5000 -127.0000 62.7500 62.2500
Lat/Long WENS-128.5000 -128.0000 63.5000 63.2500
Subjectsregional geology; stratigraphy; Science and Technology; Nature and Environment; Lower Cambrian; systematic stratigraphy; stratigraphic analyses; stratigraphic nomenclature; stratigraphic correlations; lithostratigraphy; bedrock geology; lithology; sedimentary rocks; quartzites; limestones; dolomites; siltstones; shales; sandstones; arenites; conglomerates; dolostones; structural features; folds; anticlines; faults; faults, thrust; faults, normal; sedimentary structures; paleocurrent directions; Canadian Cordillera; Neoproterozoic; Ediacaran; Ediacaran-Cambrian boundary; Avalanche Formation; Sekwi Formation; Vampire Formation; Backbone Ranges Formation; Risky Formation; Blueflower Formation; Gametrail Formation; Sheepbed Formation; Windermere Supergroup; Sekwi Brook Panel; South Nahanni Anticline; Broken Skull Anticline; Sekwi Brook Property; Phanerozoic; Paleozoic; Cambrian; Precambrian; Proterozoic
Illustrationsstratigraphic charts; location maps; photographs; lithologic sections; geoscientific sketch maps; tables
ProgramGEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor, Shield-to-Selwyn geo-transect, Mackenzie-Selwyn sub-activity
Released2020 09 30
This report presents archival stratigraphic data for the Ediacaran-Cambrian Backbone Ranges Formation that have not appeared previously in formal publications. Included are unpublished notes for two stratigraphic sections from Glacier Lake map area (NTS 95-L), documented by the late W.H. Fritz; these include notes from a re-examination of the formation in its type area. Also included are stratigraphic data from the Sekwi Brook area in southeastern Sekwi Brook map area (NTS 105-P). These data include a summary of descriptive information from an unpublished mineral industry report (DAR property; report is in the public domain), as well as measured section notes and observations by the compiler of the present report, collected during visits to Sekwi Brook in 1997 (at Risky Peak) and 2006 (at DAR property).
Summary(Plain Language Summary, not published)
This report will put in the public domain previously unpublished data regarding the rock types an internal packaging of the Backbone Ranges Formation. This unit of rock is not well understood and the data will help to clarify its character and regional relationships. The report includes the most detailed description currently available of the unit's characteristics, as they are expressed at the location where it first was defined. Data will support a major review and revision of the Backbone Ranges Formation that currently is underway.

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