Photomicrograph of adularia in silver-gold ore in rhyolite, showing normal occurrence, crystallization and habit.
Dates
Date Taken
1920
Summary
Photomicrograph of adularia in silver-gold ore in rhyolite, showing normal occurrence, crystallization and habit. The smooth light colored areas are quartz; the black are argentite and pyrite; plain light; magnified 380 diameters. Elko County, Nevada. 1920. Plate 11-A in U.S. Geological Survey. Bulletin 741. 1923.
Summary
Photomicrograph of adularia in silver-gold ore in rhyolite, showing normal occurrence, crystallization and habit. The smooth light colored areas are quartz; the black are argentite and pyrite; plain light; magnified 380 diameters. Elko County, Nevada. 1920. Plate 11-A in U.S. Geological Survey. Bulletin 741. 1923.
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