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Petrographic methods and their application to the examination of nonmetallic materials

Mineral dressing of Oregon beach sands.

Beneficiation of alunite

Diamond drilling and diamond bit investigation.

Published Year

• 1940-1949 (4)

Subject

• Alunite (1)
• Boring (1)
• Diamond bits--Testing (1)
• Granite (1)
• Nonmetallic materials (1)
• Ore-dressing (1)
• Petrology (1)
• Sand--Oregon--Analysis (1)

Author

• Gabriel, Alton. (4) *
• Dasher, John. (2)
• Agnew, Wing G. (1)
• Chayes, Felix. (1)
• Faust, George T. (1)
• Fraas, Foster. (1)
• Long, Albert. (1)
• Obert, Leonard, (1)

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