Mine detail: Thelma Mine

Previously called ''

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Location

Lat / long:

38.5366, -117.04675

Resource(B)

Primary:	Silver
Tertiary:	Fluorine-Fluorite, Molybdenum
Ore:	Molybdenite
Gangue:	Calcite, Orthoclase

Production

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

Geology

Host rock:	Zanzibar Limestone
Host type:	Limestone
Associated type:	Granite
Alteration processes:	Silicification Of The Limestone Outward From The Fissure. Along Bedding

References

MRDS	M231698
DEP	10044301
Reference	FERGUSON, H.G., 1924, GEOL. AND ORE DEPOSITS OF THE MANHATTAN DISTRICT: USGS BULL 723, P. 160
Reporter	Wong, George (Roberts, Ralph), La Pointe, D.D. (Tingley, J.V.)