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Face of milling lead ore with silver, iron and zinc associated in siliceous gangue under carbonaceous shale hanging wall in the Daly West vein, west stopes, 60 feet above 1400 level; looking northeast.
Categories: Image;
Tags: Boutwell, J.M. Collection,
Daly West Mine,
Daly and Daly West Mines,
Mills, Mines, Quarries,
Photographers,
(This photograph is on the website created before FY-04!!) Contact between Weber quartzite and overlying limestone of Park City formation. Contact, which is apparently conformable, is marked by head of pick, on 900 foot level, Daly-West mine, looking east. Summit County, Utah. Circa 1904. Plate 23-A in U.S. Geological Survey. Professional paper 77. 1912.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Boutwell, J.M. Collection,
Photographers,
Summit County, Utah,
photo print
Photomicrograph of fresh and decomposed mineralized monzonite, development of pyrite in altered monzonite, from Eldorado shaft, Boston Consolidated group. Magnetite and original biotite are absent, pyrite appears embedded in secondary quartz associated with flocculent aggregates of biotite, probably secondary. Feldspathic constituents have gone over to sercicite. Salt Lake County, Utah. 1900, plate 26-B in U.S. Geological Survey. Professional paper 38. 1905.
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