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Drift Thickness of Alberta, 1:2,000,000 scale (GIS data, line features)

Description

This dataset is a GIS version of part of Map 227, which is a regional synthesis of various published and unpublished maps. The data represent drift isopachs for Alberta. The southern part of... More ≫

Description

This dataset is a GIS version of part of Map 227, which is a regional synthesis of various published and unpublished maps. The data represent drift isopachs for Alberta. The southern part of Alberta, from 49 to 56 degrees north, was primarily compiled from existing 1:250,000 bedrock topography maps. The interpretation of the remaining northern portion of the province was based mostly on limited borehole data and information from existing 1:250,000 hydrogeological maps. The exposed areas represent areas where drift is absent or thin and discontinuous. Contour intervals are irregular and depend on local data density.

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Drift Thickness of Zama Lake Area, Alberta (NTS 84L) (GIS data, line features)

Description

This GIS dataset depicts the drift thickness of NTS map area 84L ( line features). The data are created in ArcInfo format and output for public distribution in Arc export (E00) and shapefile formats.

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Bedrock Topography of Zama Lake Area, Alberta (NTS 84L) (GIS data, line features)

Description

This GIS dataset depicts the bedrock topography of NTS map area 84L ( line features). The data are created in ArcInfo format and output for public distribution in Arc export (E00) and shapefile formats. More ≫

Description

This GIS dataset depicts the bedrock topography of NTS map area 84L ( line features). The data are created in ArcInfo format and output for public distribution in Arc export (E00) and shapefile formats.

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Bedrock Thalwegs of Zama Lake Area, Alberta (NTS 84L) (GIS data, thalweg line features)

Description

This GIS dataset depicts the locations of thalwegs (paleo-channels) incised in the bedrock surface of NTS map area 84L ( line features). The data are created in ArcInfo format and output for... More ≫

Description

This GIS dataset depicts the locations of thalwegs (paleo-channels) incised in the bedrock surface of NTS map area 84L ( line features). The data are created in ArcInfo format and output for public distribution in Arc export (E00) and shapefile formats.

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Bedrock Topography of Peerless Lake Area, Alberta (NTS 84B) (GIS data, line features)

Description

The bedrock topography map of the Peerless Lake area (NTS 84B) shows the elevation of the bedrock surface. In general, the topography of the land surface reflects the bedrock topography. Thus,... More ≫

Description

The bedrock topography map of the Peerless Lake area (NTS 84B) shows the elevation of the bedrock surface. In general, the topography of the land surface reflects the bedrock topography. Thus, bedrock highs underlie the Buffalo Head Hills Upland, Peerless Lake Upland and Utikuma Uplands. Major buried valleys lie within the Loon River Lowland in the west-central part and within the Wabasca Lowlands in the south and northeast parts of the map area. The elevation of the bedrock surface ranges from 780 metres above sea level (masl) in the Buffalo Head Hills to 300 masl in the Loon River Lowland. Segments of three major buried valleys are present: the Muskwa Valley in the south, the Red Earth Valley in the Loon River Lowland and Gods Valley in the northeast. The exact shape of these bedrock valleys and their relationships in the areas where they appear to merge is uncertain as a consequence of the scarcity of relevant drillholes. The Muskwa Valley trends westward towards Lubicon Lake and...

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Drift Thickness of Peerless Lake Area, Alberta (NTS 84B) (GIS data, line features)

Description

The drift thickness map of the Peerless Lake area (NTS 84B) shows the variation in thickness of unconsolidated sediment lying between the bedrock surface and the present-day land surface, and... More ≫

Description

The drift thickness map of the Peerless Lake area (NTS 84B) shows the variation in thickness of unconsolidated sediment lying between the bedrock surface and the present-day land surface, and complements the Drift Thickness of Alberta map (Pawlowicz and Fenton, 1995). The thickness of the drift varies from locally less than 2 metres in Buffalo Head Hills to over 200 metres in the Loon River Lowland in the central part of the map area. Thick drift fills the major paleovalleys, which are the Muskwa Valley, the Red Earth Valley and Gods Valley. The drift is thinnest on the Peerless Lake Upland, the Utikuma Uplands and the Buffalo Head Hills Upland. In general the areas of thin drift correspond to areas where the bedrock topography is high. Exceptions are the hills composed of thick drift, such as the ones located south of Muskwa Lake and southwest of Peerless Lake. These features are likely hill-hole pairs produced by glaciotectonism with lakes occupying the source depressions (holes)....

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Bedrock Thalwegs of Peerless Lake Area, Alberta (NTS 84B) (GIS data, thalweg line features)

Description

The data represent the locations of thalwegs (paleo-channels) incised in the bedrock surface. Segments of three major buried valleys are present: the Muskwa Valley, the Red Earth Valley and Gods... More ≫

Description

The data represent the locations of thalwegs (paleo-channels) incised in the bedrock surface. Segments of three major buried valleys are present: the Muskwa Valley, the Red Earth Valley and Gods Valley in the northeastern portion of the area.

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Bedrock Thalwegs of Bistcho Lake Area, Alberta (NTS 84M) (GIS data, thalweg line features)

Description

This GIS dataset depicts the locations of thalwegs (paleo-channels) incised in the bedrock surface of NTS map area 84M (line features). The data are created in ArcGIS and output for public... More ≫

Description

This GIS dataset depicts the locations of thalwegs (paleo-channels) incised in the bedrock surface of NTS map area 84M (line features). The data are created in ArcGIS and output for public distribution in shapefile formats.

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Drift Thickness of Bistcho Lake Area, Alberta (NTS 84M) (GIS data, line features)

Description

This GIS dataset depicts the drift thickness of NTS map area 84M ( line features). The data are created in ArcGIS and output for public distribution in shapefile formats.

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Bedrock Topography of Bistcho Lake Area, Alberta (NTS 84M) (GIS data, line features)

Description

This GIS dataset depicts the bedrock topography of NTS map area 84M (line features). The data are created in ArcGIS and output for public distribution in shapefile formats.

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