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Title: A GIS dataset of geological features for the Brown Lake map area (95C/7), Yukon Territory.
Originator: Khudoley, A.K.
Publication_Date: 2003
Presentation_Form: CD-ROM
Series_Name: Digital Open File
Issue_Identification: 1765
Publication_Place: Calgary, Alberta, Canada
Publisher: Geological Survey of Canada
Citation_Details: Khudoley, A.K. 2003: A GIS dataset of geological features for the Brown Lake map area (95C/7), Yukon Territory; Geological Survey of Canada, Open File 1765.
Abstract: The geological map and database are derived from regional mapping in the Brown Lake (NTS 95C/7) 1:50 000 scale map area, as part of the Geological Survey of Canada’s Central Foreland NATMAP project. Geological features represented by attributed points, lines, and polygons have been compiled into a GIS dataset suitable for stand-alone use, or integration with other data sets. User-defined attributes provide traditional geological map information with greater detail and enhancements, such as explicit orientation data and lithologies.
       The Brown Lake map area is situated to the west of the southern end of the Franklin Mountains in a foothills physiographic setting. The geology of the area is characterized by sedimentary strata with the predominance of

terrigenous rocks of Late Devonian to Early Cretaceous age. Three subparallel unconformities at the base of Permian, within Permian, and at the base of Triassic successions are recognized. Lower Cretaceous rock units overlie Triassic and Permian rock units with low-angle unconformity at the base. Predominant structures are regional-scale, north-trending box-like folds with narrow limbs and wide hinge zones with sub-horizontal bedding. Locally, the east limb of the Fantasque Syncline is cut by west-verging thrust fault of minor displacement. Stratigraphic improvements include recognition of the informal Permian Tika map unit above the Mattson Formation, assignment of Triassic strata to the Toad Formation, and local recognition of the Chinkeh Formation at the base of Lower Cretaceous succession.

Purpose: Provided as part of a National Mapping (NATMAP) commitment to compile Geographic Information System products.
Supplemental_Information: Points, lines, polygons, and attribute data representing the geology of the area covered by NTS map 95C/7 (1:50 000 scale) in southeastern Yukon Territory, Canada.
In English
Beginning_Date: 2001
Ending_Date: 2003
Progress: Complete
Maintenance_and_Update_Frequency: As needed
West_Bounding_Coordinate: -125.00
East_Bounding_Coordinate:  -124.50
North_Bounding_Coordinate:   60.50
South_Bounding_Coordinate:  60.25
Theme_Keyword: GIS bedrock geology
Theme_Keyword Thesaurus: bedrock geology, geological map, geology,
GIS, map, NATMAP, Central Foreland, Brown Lake, Liard, Scatter Formation, Garbutt Formation, Chinkeh Formation, Toad Formation, Fantasque Formation, Mattson Formation, Besa River Formation, Tika map unit.
Place_Keyword: Brown Lake
Place_Keyword_Thesaurus: Canada, Liard, La Biche, Yukon Territory, Canadian Cordillera, La Biche River, Fantasque Lake, Franklin Mountains.
Use_Constraints: ©Her Majesty the Queen in Right of Canada, 2003
Browse_Graphic_File_Name: nts95c7.pdf
Browse_Graphic_File_Description: A traditional 'paper map' style image of the GIS map
Browse_Graphic_File_Type: "PDF" Portable Document File
Point_of_Contact: Larry MacDonald
Contact_Organization: Geological Survey of Canada, Calgary
Address_Type: mailing and physical
Address: 3303-33rd Street N.W.
City: Calgary
Province: Alberta
Postal_Code: T2L 2A7
Voice_Telephone: (403)292-7000
Facsimile_Telephone: (403)292-4961
E-mail: GSCC_datainfo@NRCan.gc.ca
Distributor_Contact: Bookstore
Contact_Organization: Geological Survey of Canada, Calgary
Address_Type: mailing and physical
Address: 3303-33rd Street N.W.
City: Calgary
Province: Alberta
Postal_Code: T2L 2A7
Voice_Telephone: (403)292-7030
Facsimile_Telephone: (403)292-3542
E-mail: gsc_calgary@NRCan.gc.ca
Metadata_Contact: Graham Lai
Contact_Organization: Geological Survey of Canada, Calgary
Address_Type: mailing and physical
Address: 3303-33rd Street N.W.
City: Calgary
Province: Alberta
Postal_Code: T2L 2A7
Voice_Telephone: (403)292-7000
Facsimile_Telephone: (403)292-4961
E-mail: GSCC_datainfo@NRCan.gc.ca
Metadata_Future_Review_Date: As the open file is updated
Metadata_Date: February, 2003