Results: 1 - 6 of 6
Jan 23, 2020
Map
… elements, salt, sand/gravel, shale, silica sand, stone, sulphur, …
Jan 31, 1970
Open File Report
… is divisible into sandstone, shale and coal beds, and the … Paskapoo comprises a series of shale, carbonaceous shale, coal, siltstone and …
Dec 31, 1968
Earth Sciences Report
… a relatively impermeable marine shale, completely underlies the … beds of argillaceous sandstone, shale, and coal which immediately …
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, 1960
Earth Sciences Report
… strata composed mainly of silty shale and very fine grained sandstone, the shale being by far the most …