Government of Alberta

This GIS dataset comprises the bedrock contacts (polygon outline features) of Map 180, Geology of the Precambrian Shield in northeastern Alberta, NTS 74M and NTS 74L, published by the Alberta Geological Survey. The data are created in ArcInfo and output for public distribution in shapefile format.

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 contains polygons of Canadian Shield mylonite zones (identified as either high-grade mylonite or low-grade...