Results: 1 - 2 of 2
Apr 30, 2007
Special Report
… rare diamonds have been found in gravel deposits on the northern … worked for their cobble and gravel components, but test … recover heavy minerals from the gravel washings. These minerals are …
Dec 31, 2000
Special Report
… of a preglacial sand and gravel unit of Cordilleran … boulder to cobble size gravel of Canadian Shield provenance. The gravel bed is overlain by Sub-unit …