Results: 1 - 3 of 3
Feb 28, 1975
Economic Geology Report
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 …
Dec 31, 1966
Bulletin
… with the first white-speckled shale 'zone' is used as a datum …