Results: 1 - 4 of 4
Nov 18, 2008
Data
… analyses of 57 mudstone, 29 shale, 13 ironstone, 6 pyrite …
Apr 03, 2017
Presentation
… gas sector continues to develop shale-gas plays in the Duvernay and …
Dec 31, 1957
Earth Sciences Report
Dec 31, 1966
Bulletin
… with the first white-speckled shale 'zone' is used as a datum …