Results: 1 - 4 of 4
Nov 18, 2008
Data
… analyses of 57 mudstone, 29 shale, 13 ironstone, 6 pyrite …
Dec 31, 1999
Geo-Note
… Early Cambrian marine black shale Ni-Mo deposits of south China …
Dec 31, 1988
Bulletin
… with a thick section of Ireton shale and lowest in regions where … present without overlying Ireton shale. The synthesis of this vast …
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 …