Results: 1 - 5 of 5
Dec 31, 1981
Economic Geology Report
Jan 23, 2020
Map
… elements, salt, sand/gravel, shale, silica sand, stone, sulphur, …
Nov 18, 2008
Data
… coal, shaly-coal and coaly-shale), formation tops and …
Sep 26, 2017
Open File Report
… Pliensbachian for the Poker Chip Shale, late Aalenian for the Rock …
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 …