Mine detail: Ludwig Mine

Previously called 'NBMG # 4408'

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Location

Lat / long:

38.95685, -119.27459

Resource(B)

Primary:	Copper
Secondary:	Silver
Tertiary:	Gypsum-Anhydrite, Gold, Nickel
Ore:	Chalcopyrite, Chrysocolla, Pyrite
Gangue:	Calcite
Orebody form:	IRREGULAR
Discovery year:	1865

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	THE EXACT AMOUNT IS NOT RECORDED. ( 1906 -1927)

Geology

Host rock:	Rhyolite To Dacite Volcanics;Qtz. Monzonite Porphyry
Host type:	Limestone
Associated rock:	Andesite To Dacite Tuff Breccia;Rhyolite Tuff,Siltstone, Lmst
Associated type:	Monzonite,Diorite
Structure:	Yerington Batholith, Reverse Faulting
Tectonic:	Complex Basin And Range Faulting
Alteration processes:	Albitic, Sericitic, Propylitic, Weak Potassic

References

MRDS	M035874
DEP	10037698
Reference	{Deposit:: READ, T. R., 1912 , THE NEVADA DOUGLAS MINES, MING AND SCIENTIFIC PRESS AUGUST 17 .}{Deposit:: KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DIST. NEV., USGS PROF. PAPER 114 .}{Deposit:: EINAUDI, M. T., 1977 , PETROGENISIS OFTHE COPPER-BEARING SKARN AT THE MASON VALLEY MINE, YERINGTON, NEV., ECON. GEOL.VOL. 72 , NO. 5 .}{Deposit:: TELLURIDE CLAIMS,YERINGTON MINING DISTRICT, LYON COUNTY, QUADE VISIT SITE 7-11-89,NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).}{Deposit:: MOORE,J.G.,1969, GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS, AND ORMSBY COUNTIES,NEVADA; NBMG BULL 75.}{Deposit:: KNOPF, A. 1918}{Deposit:: READ, T.R., 1912}{Production:: KNOPF F( 2 ) KNOPF, A. 1918}
Reporter	Beougher, Delilah J. (Spanski, Gregory T.), Fiebelkorn, J. B. (Stewart, J. H.), Marcus, S. (Doebrich, J.), Li, Zhiping (Moyer, Lorre A.)