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Page 6237, results 155901 - 155925

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Publication Extents

Not all publications have extents, not all extents are completely accurate
A gold-scheelite-cinnabar placer in Humboldt County, Nevada
Charles Ronald Willden, Preston Enslow Hotz
1955, Economic Geology (50) 661-668
Gold, scheelite, and cinnabar in amounts that might be profitably extracted are found in a placer deposit in the Dutch Flat mining district in north-central Nevada. These materials are the products of at least two and possibly three stages of metallogenic activity recorded in the...
Relation of uranium to hypogene mineral zoning in the Front Range mineral belt, Colorado
Stewart Raynor Wallace, B. F. Leonard, R. H. Campbell
1955, Trace Elements Investigations 357
Many of the mining districts of the Colorado Front Range mineral belt contain mesothermal sulfide ores that exhibit a zonal distribution. Present data indicate that in most of the zoned districts pitchblende and/or secondary uranium minerals are most abundant in a transition zone between central areas containing predominantly pyritic gold...
Carnotite resources of San Miguel bench, Montrose County, Colorado
Donald Clayton Alvord
1955, Trace Elements Investigations 289
San Miguel bench includes about 4 square miles in the southern part of T. 48 N., R. 17 W., New Mexico principal meridian, Montrose County, Colorado. Production of carnotite ore from the area has been about 15,000 short tons having an estimated average grade of 0.31 percent U3O8 and 1.6 percent...
The opossum
U.S. Fish and Wildlife Service
1955, Wildlife Leaflet 359
No abstract available....
The relation between composition and swelling in clays
Margaret D. Foster
1955, Open-File Report 54-91
The phenomenon of swelling is associated with the hydration of clays; however, all clays do not swell when hydrated. those of the kaolin group, for example, exhibit little or no swelling on hydration. Sodiwm montmoillonite, on the other hand, characteristically swells in water to many times its dry volume. Calcium...
Geology of the Huron River pitchblende occurrence, Baraga County, Michigan
R.C. Vickers
1955, Trace Elements Investigations 303
Small quantities of uranium-bearing minerals were discovered by a geologist of the Jones and Laughlin Ore Company during the summer of 1949 along the East Branch of the Huron River, sec. 1, T. 51 N., R. 30 W., Baraga County, Mich. Subsequent diamond drilling of the prospect by the Jones...
Uranium deposits at the Jomac mine, White Canyon area, San Juan County, Utah
A.F. Trites, G.A. Hadd
1955, Trace Elements Investigations 561
The Jomac mine is in the White Canyon area. San Juan County, Utah, about 13 miles northeast of the town of White Canyon, Utah. The mine is owned by the Ellihill Mining Company, White Canyon, Utah. Mine workings consist pf two adits connected by a crosscut. Two hundred feet of...
U.S. Geological Survey Trace Elements and related reports through 1954
Harriet G. Brown Smith, Virginia K. Blatcher
1955, Trace Elements Investigations 500
This report supersedes TEI-400, "U.S. Geological Survey Trace Elements and related reports through 1953." Part I is a numerical list of U.S. Geological Survey Trace Elements Investigations and Memorandum reports. This part lists not only reports (followed by a date) that have been transmitted to the U.S> Atomic Energy Commission, but...