Results: 1 - 2 of 2
Nov 18, 2008
Data
… analyses of 57 mudstone, 29 shale, 13 ironstone, 6 pyrite …
Dec 31, 1955
Report
… also in the lower Moose bar shale of northeastern British … east-central Alberta. The Harmon shale of northwestern Alberta is … with that of the Lower Shale member of the Colorado Group …