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Virgin Valley Opal District, Humboldt County, Nevada
From abstract: Numerous discontinuous layers of opal are interbedded with a gently-dipping series of vitric tuff and ash which is at least 300 feet thick. The tuff and ash are capped by a dark, vesicular basalt in the eastern part of the area and by a thin layer of terrace gravels in the area along the west side of Virgin Valley.
Date:
May 1951
Creator:
Staatz, Mortimer Hay & Bauer, Herman L., Jr.
System:
The UNT Digital Library
Quicksilver Deposits of the Opalite District, Malheur County, Oregon and Humboldt County, Nevada
From Introduction: "The Opalite quicksilver district includes two deposits with a considerable past production, one deposit with a small production, and one unproved prospect. These deposits are located along the circumference of a semicircular area that extends from a short distance west of McDermitt, Nev., for about 20 miles along the Oregon-Nevada State boundary. (See fig. 34). The area thus includes parts of Humboldt County, Nev., and Malheur County, Oreg.; almost the entire production has been derived from the portion in Oregon."
Date:
1942
Creator:
Yates, Robert G.
System:
The UNT Digital Library
Geology and Geochemistry of Tertiary Volcanic Host Rocks, Sleeper Gold-Silver Deposit, Humboldt County, Nevada
The following report focuses on the geology of the Tertiary volcanic rock formation in the Sleeper gold-silver deposit of Nevada and develops a framework for exploration and genetic models.
Date:
1995
Creator:
Nash, J. Thomas; Utterback, William C. & Trudel, Wayne S.
System:
The UNT Digital Library
Uranium occurrences at the Moonlight Mine and Granite Point claims, Humboldt County, Nevada
A report discussing uranium occurrences at the Moonlight Mine and Granite Point Claims.
Date:
October 18, 1955
Creator:
Taylor, Allen O. & Powers, John F.
System:
The UNT Digital Library