Name: Quaternary Isopach Contours (North of Latitude 56 degrees)

Display Field: ISOPACH

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Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>The surface objects, ‘Top of Quaternary’ and ‘Base of Quaternary’, used to calculate the isopach thickness of the Quaternary, were modelled using the following data. </SPAN></SPAN></P><OL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Drillhole information (&gt;11 500 drillholes)</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Depth information from provincial lake sediment data (&gt;14 000 lake depths)</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Outcrop data (&gt;4600 outcrops) – zero edges for Quaternary material</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Depth information from scanned bathymetric maps (40 lakes)</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Lake sediment, bathymetric and seismic data points (~130 000) from industry assessment files (SMAD database)</SPAN></SPAN></P></LI></OL><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Outcrop data inside the Athabasca basin boundary comes from a compilation of outcrop polygons from various mapping projects and industry reports; the compilation of outcrop polygons is available on GeoAtlas. Outcrop data from outside the Athabasca basin boundary, includes bedrock polygons from 1 million-scale compilation maps from Alberta (Fenton et al., 2013) and Saskatchewan (Simpson, 1997) were used. These bedrock regions, outside the basin, may have sporadic or thin (generally &lt;2 m) Quaternary cover; however, the modelling of this surface assumed there was none.</SPAN></SPAN></P><P><SPAN /></P></DIV></DIV></DIV>

Copyright Text: Bosman, S.A., Paiement, J.-P., Williston, C. and Card, C.D. (2020): Development of Athabasca 3-D model 2.0; in Summary of Investigations 2020, Volume 2, Saskatchewan Geological Survey, Saskatchewan Ministry of Energy and Resources, Miscellaneous Report 2020-4.2, Paper A-3, 14p. Bosman, S.A., Paiement, J.-P., Williston, C. and Mahmoodi, O. (2020): Athabasca 3-D model 2.0; Saskatchewan Ministry of Energy and Resources, Saskatchewan Geological Survey, 3-D File.

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Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• FID_ ( type: esriFieldTypeInteger, alias: FID_ )
• ISOPACH ( type: esriFieldTypeDouble, alias: ISOPACH )
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