Mine detail: Hapgood Mine

Previously called 'York MineGrayson GroupNew Alma Group'

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Location

Lat / long: 41.32739, -117.45153

Resource(M)

Primary: Mercury
Ore: Cinnabar
Gangue: Calcite, Clay, Gypsum, Quartz
Orebody form: TABULAR
Discovery year: 1936

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: TO 1961
First production started: 1937

Geology

Host rock:Havallah Formation;Pumpernickel Formation
Host type:Limestone
Structure:Reg.Struct: Thrust Fault, Bedding Plane Shears
Alteration processes:Clay

References

MRDSM055348
DEP10040532
Reference{Deposit:: WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT CO., NEV.; NEV. BUR MINES BULL. 59.}{Deposit:: BAILEY, E.H. AND PHOENIX, D.A., 1944, QUICKSILVER DEPOSITS IN NEVADA: NEV. U. BULL. 38 NO.5; GEOL MIN. SER. NO 41}{Deposit:: JONES, R. B., 29 APR 85, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS}{Deposit:: BAILEY, E. H., RYTUBA, J. J., AND JONES, R. B., 1984, UNPUBLISHED DATA ON MERCURY DEPOSITS OF NEVADA.}{Deposit:: GALLAGHER, M. J., 1969, NEVADA MINES, MILLS, AND SMELTERS IN OPERATION AS OF JULY 1, 1969.}{Deposit:: MURPHY, MATT, 1943, NEVADA MINES, MILLS, AND SMELTERS.}{Production:: BAILEY, RYTUBA, AND JONES (1984)}
ReporterBergquist, Joel R., La Pointe, D.D. (Tingley, J.V.), Li, Zhiping (Peters, S.)