Mine detail: Niebuhr Mine

Previously called 'NBMG Sample Site 2436Sunset-Big Four Group'

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Location

Lat / long: 41.3771, -118.33849

Resource(M)

Primary: Mercury
Ore: Cinnabar
Orebody form: TABULAR
Discovery year: 1939

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1939 - 1942
First production started: 1941

Geology

Host type:Rhyolite
Associated type:Rhyolite
Structure:N-Trending, Steep-Dipping Faults, Faults Strike N55-70e, Dip 65-90 Sw.
Alteration processes:Silicified Rhyolite

References

MRDSM055359
DEP10040541
Reference{Deposit:: ROBERTS, R.J., 1940, QUICKSILVER DEPOSITS OF THE BOTTLE CREEK DISTRICT, HUMBOLDT CO., NEV; USGS. BULL. 922-A}{Deposit:: BAILEY, E.H. AND PHOENIX, D.A., 1944, QUICKSILVER DEPOSITS IN NEVADA; NEV. BUREAU OF MINES BULL. 41.}{Deposit:: WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT CO., NEV.; NEV. BUREAU OF MINES BULL. 59}{Deposit:: WILLDEN, 1963, GENERAL GEOLOGY OF THE JACKSON MOUNTAINS, HUMBOLDT COUNTY, NEVADA: USGS BULL. 1141 - D}{Deposit:: 5) HOLMES, G.W., JR., 1965, MERCURY IN NEVADA: USBM IC 8252}{Deposit:: JONES, R. B., 1984, NBMG FIELD EXAMINATION, 9-14-84.}{Production:: BAILEY, E.H., AND PHOENIX, D.A., 1944}
ReporterBergquist, Joel R., La Pointe, D.D. (Tingley, J.V.), Lapointe, D.D., Li, Zhiping (Peters, S.)