Results: 1 - 3 of 3
Nov 28, 2011
Open File Report
… Exshaw Formation black shale. Based on geochemical and …
Dec 31, 1966
Earth Sciences Report
… and consists of 4 units: a coaly shale; an upper coal seam 4 to 6 … of grey, green and carbonaceous shale and siltstone, with …
Dec 31, 1971
Earth Sciences Report