Results: 1 - 3 of 3
Jan 31, 2006
Geo-Note
… of 2001, an organic soil and mineral soil (B- and C-horizons) … P, Cr and Nb concentrations in mineral soil related to depth have … of soil geochemistry in diamond exploration as they may serve as …
Dec 31, 1969
Earth Sciences Report
… in most cases with petroleum exploration or mineral evaluation studies, have …
Dec 31, 1977
Earth Sciences Report
… in most cases with petroleum exploration or mineral resource studies, have been …