Results: 1 - 3 of 3
Jan 23, 2020
Data
… are naturally occurring metallic and industrial minerals, diamonds, … coal, peat, humalite, and sand and gravel, as well as minerals that …
Nov 30, 2008
Open File Report
… of diamondiferous kimberlite, and as a curiosity regarding the … production as a co-product of sand and gravel, however, should warrant …
Jul 31, 2001
Earth Sciences Report
… sampling program for diamond and metallic-mineral potential was … 25 glaciofluvial, or sand and gravel samples; and 1 preglacial …