Mine detail: Jumbo Group

Previously called 'Part of Goldfield Consolidated Mines Co. After 1906-7. JumboClermontLucky BoyGrizzly Bear Claims'

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Location

Lat / long:

37.71634, -117.22008

Resource(M)

Primary:	Gold
Secondary:	Silver, Copper
Tertiary:	Tin, Zinc
Ore:	Famatinite, Sphalerite, Wurtzite
Gangue:	Alunite, Gypsum, Kaolinite, Limonite, Pyrite, Quartz
Orebody form:	TABULAR TO IRREGULAR
Discovery year:	1903

Production

Operation type:	Unknown
Production size:	Small
Development status:	Occurrence

Geology

Host rock:	Mill Town Andesite
Host type:	Dacite
Associated type:	Dacite
Alteration processes:	Alunitization, Pyritization

References

MRDS	M241914
DEP	10046713
Reference	{Deposit:: SHAMBERGER, H.A., 1982, THE STORY OF GOLDFIELD, NEVADA HISTORICAL PRESS, CARSON CITY, NEV. 240 P.}{Deposit:: COLLINS, E.A., 1907 MINING AND SCIENTIFIC PRESS}{Deposit:: NBMG REPORT 33, P. 77-86.}{Deposit:: RIDGE, J.D., 1974, GSA MEM 131.}{Deposit:: SEARLS, F., 1948, NBMG BULL 48, P.18.}{Deposit:: TOLMAN AND AMBROSE, 1934, ECON GEOL VOL. 29, P. 255-279.}{Deposit:: UNPUBLISHED MAPS OF CLERMONT MINE FROM CALUMET & HECL * OPERATIONS IN 193 *: NBMG FILE 91, ITEMS 25, 26, 27, 28}{Production:: SHAMBERGER, 1982, P. 199; GSA MEMOIR 131, 1974; NBMG BULL 48, P. 17.}
Reporter	La Pointe, D.D. (Tingley, J.V.)