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Publication Extents

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Relationships of calcium carbonate to lithology and vanadium-uranium deposits in Salt Wash sandstone of southwestern Colorado
Norbert Lee Archbold
1956, Open-File Report 56-2
This study was made to determine whether any relationship exists between lithology or vanadium-uranium deposits and calcium carbonate content in the Salt Wash member of the Morrison formation of Jurassic age. Results indicate that altered gray-green mudstone contains less carbonate than does unaltered red-brown mudstone. No significant difference exists between...
U.S. Geological Survey exploration program in the Trixie area, East Tintic mining district, Utah County, Utah
H. T. Morris, A.E. Disbrow, Thomas Seward Lovering
1956, Open-File Report 56-84
The Trixie area is in the south central part of the East Tintic mining district, Utah, and is believed to include the intersections of several mineralized pebble dike-fissure zones and a major, easterly trending fault. The fissure-fault intersections, which are considered to be favorable ore-locallizing structures, are concealed by lavas...
Geology and ore deposits of the Monument Valley area, Apache and Navajo Counties, Arizona
Irving Jerome Witkind
1956, Open-File Report 57-124
In 1951 the U.S. Geological Survey undertook a program of uranium investigations in Apache and Navajo Counties, northeastern Arizona. The work had three major objectives. The first was to accumulate data basic to an understanding of the regional geology. The second was to appraise the Triassic strata as host rocks...