Results: 1 - 3 of 3
Dec 31, 1990
Open File Report
… granitoids. South of Lake Athabasca an angular unconformity … separates the Helikean Athabasca Group from the underlying … Shield) and south (Marguerite River area) of the basin structure …
Nov 30, 1991
Open File Report
… springs in the valley of the Athabasca River, which have been shown to … unit (mainly Keg River aquifer); Precambrian …
Jun 16, 2013
Map
… of the Canadian Shield and Athabasca Basin is based on … Colorado Group, and the Belly River Group. In addition, the …