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TitleSurficial geology, Trail Lake, British Columbia
DownloadDownloads
AuthorHuntley, D H; Hickin, A S; Chow, W; Mirmohammadi, M
SourceGeological Survey of Canada, Canadian Geoscience Map 123, 2013, 1 sheet, https://doi.org/10.4095/292400
Year2013
PublisherNatural Resources Canada
Editionprelim.
Documentserial
Lang.English
Maps1 map
Map Info.surficial geology, glacial deposits and landforms, 1:50,000
ProjectionUniversal Transverse Mercator Projection, zone 10 (NAD83)
Mediaon-line; digital
File formatreadme
File formatpdf; rtf; xml; shp; xls
ProvinceBritish Columbia
NTS94O/09
AreaTrail Lake
Lat/Long WENS-122.5000 -122.0000 59.7500 59.5000
Subjectssurficial geology/geomorphology; organic deposits; alluvial deposits; colluvial deposits; glacial features; glacial deposits; glacial landforms; glaciolacustrine deposits; glaciofluvial deposits; tills; eskers; moraines; drumlins; Cenozoic; Quaternary
Illustrationslocation maps
ProgramYukon Sedimentary Basins, GEM: Geo-mapping for Energy and Minerals
Image
Released2013 05 09
AbstractCanadian Geoscience Map 123 depicts the surficial geology over some 790 km2 covered by the Trail Lake map sheet (NTS 94-O/09), in northeastern British Columbia. Here, the Etsho Plateau lies within the Petitot River watershed and is drained by east-flowing Gote Creek, and northward by Dilly and Yesshadle creeks. To the north of the plateau, the Stanislas Creek drains northeast into the Petitot River. Bedrock is mantled by unconsolidated earth materials dating to the Late Pleistocene (Late Wisconsinan Glaciation, > 25 ka to ca. 10 ka) and non-glacial Holocene (ca. 10 ka to present). Deposits of till, green on the map, are generally suitable for placement of infrastructure. Glaciofluvial and eolian deposits with mineral, aggregate, and groundwater potential are coloured orange and buff. Slopes disturbed by landslides, debris flows and rock falls appear brown and pink. Glaciolacustrine and organic deposits with sporadically discontinuous permafrost are coloured purple and grey. Alluvial deposits prone to flooding, erosion, and sedimentation appear yellow on the map.
Summary(Plain Language Summary, not published)
As natural resource development expands in northeastern British Columbia, up-to-date geological information will be needed to reduce the economic costs and environmental risks of developing new sources of energy and minerals. Canadian Geoscience Map 123 was produced as part of the Geo-Mapping for Energy and Minerals Yukon Basins Project to help meet this demand. The map, legend and accompanying notes incorporate past research with field observations and interpretation of satellite images to provide new insights into distribution, nature, origin and resource potential of earth surface materials and geological hazards on the Trail Lake map sheet (NTS 94O-09). CGM 123 is intended for use by governments, universities, resource companies, environmental consultants, First Nations communities, municipalities and the general public.
GEOSCAN ID292400