Mine detail: Springer Mine Original

Previously called 'Humboldt-Springer'

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Location

Lat / long:

40.78378, -118.14209

Resource(M)

Primary:	Tungsten
Tertiary:	Molybdenum
Ore:	Scheelite
Gangue:	Calcite, Epidote, Garnet, Pyrite, Quartz

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Producer

Geology

Host rock:	Lower Raspberry Formation;
Host type:	Limestone
Associated rock:	Lower Raspberry Formation;Springer Stock
Associated type:	Diorite,Hornfels
Structure:	Stank Fault, Fault Offsets Limestone Beds
Alteration processes:	Silicification

References

MRDS	M231448
DEP	10044110
Reference	{Deposit:: JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS IN PERSHING COUNTY, NEVADA: NBMG BULL. 89}{Deposit:: KERR, 1934, GEOLOGY OF THE TUNGSTEN DEPOSITS NEAR MILL CITY, NEVADA: NBMG BULL. 21}{Deposit:: FERR, 1946, TUNGSTEN MINERALIZATION IN THE UNITED STATES: GSA MEMOIR 16}{Deposit:: TINGLEY, J.V., 1973, UNPUBLISHED REPORT}{Deposit:: STAGER, H. K., IN PREP., NBMG BULL ON TUNGSTEN DEPOSITS OF NEVADA.}{Production:: STAGER (IN PREP)}
Reporter	Royse, Sue E., La Pointe, D.D. (Tingley, J.V.)