Results: 1 - 5 of 5
Dec 31, 1966
Bulletin
… sandstone and dark silty shale, correlative with quartzose sandstone and shale in the lower part of the … siltstone, and varicoloured shale, with thin tuff and bentonite …
Apr 13, 2008
Special Report
Sep 26, 2017
Open File Report
… Pliensbachian for the Poker Chip Shale, late Aalenian for the Rock …
Jan 14, 2010
Open File Report
… Anomalous uranium values in shale and sandstone of the St. Mary …
Dec 31, 1966
Bulletin
… with the first white-speckled shale 'zone' is used as a datum …