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DIG 2013-0018

Bedrock Geology of Alberta (GIS data, polygon features)

Abstract: This GIS dataset is part of a digital compilation of the bedrock geology of Alberta. It is one of the datasets used to produce Alberta Geological Survey (AGS) Map 600. This dataset represents the compilation of existing geological maps and original geological mapping by AGS staff. Mapping in support of the dataset included field observations and creating three-dimensional models of subsurface stratigraphy based on the interpretation of geophysical logs from oil and gas wells. Each three-dimensional formation surface was projected to a model of the bedrock surface, and the intersection formed the first approximation of the position of the geological contact at the base of the surficial deposits. We adjusted these preliminary contacts to honour outcrop data and the interpretation of the bedrock unit immediately below surficial deposits in individual wells.The data were created in geodatabase format and output for public distribution in shapefile format.AGS Open File Report 2013-02 presents additional information on data sources related to this dataset. Place Keywords 72e 72l 72m 73d 73e 73l 73m 74d 74e 74l 74m 82g 82h 82i 82j 82n 82o 82p 83a 83b 83c 83d 83e 83f 83g 83h 83i 83j 83k 83l 83m 83n 83o 83p 84a 84b 84c 84d 84e 84f 84g 84h 84i 84j 84k 84l 84m 84n 84o 84p alberta canada Theme Keywords athabasca basin battle formation bedrock geology belly river group canadian shield colorado group devonian dunvegan formation fort st. john group geology gis data mannville group scollard formation smoky group

Prior, G.J.  Hathway, B.  Glombick, P.M.  Pana, D.I.  Banks, C.J.  Hay, D.C.  Schneider, C.L.  Grobe, M.  Elgr, R.  Weiss, J.A.  2013-09-18