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TitleSurficial geology, Two Island Lake, British Columbia
AuthorHuntley, D H; Hickin, A S; Chow, W; Mirmohammadi, M
SourceGeological Survey of Canada, Canadian Geoscience Map 124, 2013, 1 sheet,
PublisherNatural Resources Canada
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
AreaTwo Island Lake
Lat/Long WENS-122.5000 -122.0000 59.5000 59.2500
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
Released2013 05 07
AbstractCanadian Geoscience Map 124 depicts the surficial geology over some 790 km2 covered by the Two Island Lake map sheet (NTS 94-O/08), in northeastern British Columbia. The southern two thirds of the map area include a portion of the Fort Nelson Lowland, drained by the southwest-flowing Kiwigana River and tributaries. The Etsho Plateau occupies the northern third of the map area. 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 deposits with mineral, aggregate and groundwater potential are coloured orange. Slopes disturbed by landslides and debris flows appear as brown. Organic deposits with sporadically discontinuous permafrost are coloured 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 124 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 Two Island Lake map sheet (NTS 94O-08). CGM 124 is intended for use by governments, universities, resource companies, environmental consultants, First Nations communities, municipalities and the general public.