Results: 1 - 6 of 6
Jan 23, 2020
Map
… elements, salt, sand/gravel, shale, silica sand, stone, sulphur, …
Nov 28, 2011
Open File Report
… Exshaw Formation black shale. Based on geochemical and …
Dec 31, 1999
Geo-Note
… Early Cambrian marine black shale Ni-Mo deposits of south China …
Dec 31, 1997
Open File Report
… Lithologies represented include: shale (36); siltstone (12); … permeability contrasts such as shale beds; reductants including …
Mar 07, 2010
Information Series
… Head Hills, polymetallic black shale in the Birch Mountains, …
Dec 31, 1993
Open File Report
… or impregnated Cretaceous coal, shale and sandstone in core from …