Retention of bedding structure indicates replacement; Telegraph mine, Grecian Bend level. Salt Lake County, Utah. 1900.
Dates
Date Taken
1900
Summary
Advanced replacement of limestone by copper ore, the dark bands are chalcocite, chalcopyrite and pyrite, the light ones are granular quartz and cherty siliceous limestone. Retention of bedding structure indicates replacement; Telegraph mine, Grecian Bend level. Salt Lake County, Utah. 1900, plate 32-A in U.S. Geological Survey. Professional paper 38. 1905.
Summary
Advanced replacement of limestone by copper ore, the dark bands are chalcocite, chalcopyrite and pyrite, the light ones are granular quartz and cherty siliceous limestone. Retention of bedding structure indicates replacement; Telegraph mine, Grecian Bend level. Salt Lake County, Utah. 1900, plate 32-A in U.S. Geological Survey. Professional paper 38. 1905.
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