Results: 1 - 6 of 6
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 …
Jan 23, 2020
Data
… quartzite, other stones, clay, shale, salt, potash, gypsum, sodium …
Apr 13, 2008
Special Report
Sep 26, 2017
Open File Report
… Pliensbachian for the Poker Chip Shale, late Aalenian for the Rock …
Aug 31, 1973
Open File Report
Dec 31, 1977
Earth Sciences Report