Mine detail: Nast

Previously called 'Nast and Benton Tunnel'

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Location

Lat / long:

40.51272, -112.16552

Resource(M)

Primary:	Lead, Silver
Secondary:	Gold
Tertiary:	Copper, Zinc
Ore:	Chalcopyrite, Galena, Pyrite, Sphalerite
Orebody form:	LENTICULAR SEAMS

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Monzonite
Associated type:	Monzonite
Structure:	Ne - Sw Fissures 3 - 9 Ft Wide
Alteration processes:	Brecciated Monzonite

References

MRDS	DC14225
DEP	10102106
Reference	{Deposit:: USGS PROF. PAPER 38. P. 279}{Deposit:: CONSV. DIV. COMP. DATE, 03-25-1958}
Reporter	Mc Coy, Gail, Wong, George (Tooker, Ed)