Mine detail: Mount Tobin Mine

Previously called 'Mine
* DreamFriday ClaimsNBMG Sample Site 2326'

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Location

Lat / long:

40.33184, -117.53678

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Chalcedony, Melanterite, Pyrite, Sulfur
Orebody form:	BLANKET
Discovery year:	1929

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1936, 1939-1943
First production started:	1938

Geology

Host rock:	Havallah Formation;China Mountain (Koipato Group)
Host type:	Shale,Conglomerate,Rhyolite
Associated type:	Rhyolite,Basalt
Structure:	N-Trending Faults, Ne-Trending Fractures
Tectonic:	Basin And Range
Alteration processes:	Local Leaching Of Chert Conglomerate And Intense Argillization Of Rhyolite And Shale.

References

MRDS	M055019
DEP	10103770
Reference	{Deposit:: JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OFPERSHING COUNTY, NEVADA; NBMG BULL. 89}{Deposit:: BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA; NBMG BULL. 41}{Deposit:: HOLMES, 1965, MERCURY IN NEVADA; IN USBM 1C 8252}{Deposit:: GARSIDE, L. J., 11 SEP 84, FIELD EXAMINATION AND SAMPLE ANALYSIS.}{Deposit:: BAILEY, E. H., RYTUBA, J. J. AND JONES, R.B., 1984, UNPUBLISHED DATA ON MERCURY PROSPECTS IN NEVADA}{Deposit:: NBMG STAFF, 1985, NBMG OFR 85-3}{Deposit:: 1957 DIREXPL DMEA, SHOWED SOME UNECONOMIC MINERALIZATIO}
Reporter	Bergquist, Joel R., La Pointe, D.D. (Tingley, J.V.)