Mine detail: April Fool Mine

Previously called 'GoldcupApril FoolSwifter ClaimsNBMG Sample Locations 1751 and 1752.'

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Location

Lat / long:

37.46247, -114.76556

Resource(M)

Primary:	Gold, Silver
Tertiary:	Copper, Bismuth, Antimony
Ore:	Tetrahedrite
Gangue:	Barite, Pyrite, Quartz
Orebody form:	TABULAR
Discovery year:	1892

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Medium
Development status:	Past Producer
First production started:	1892

Geology

Host rock:	Prospect Mountain Quartzite
Host type:	Quartzite
Associated type:	Rhyolite,Basalt
Structure:	Abundant Normal Faults, Vein Offset By Rhyolite Dike
Alteration processes:	Silicification

References

MRDS	M032087
DEP	10037386
Reference	{Deposit:: CALLAGHAN, E., 1937, GEOLOGY OF THE DELMAR DISTRICT, LINCOLN CO., NEV. NEV BUR MINES V. 31. NO. 5 P. 58-60}{Deposit:: TSCHANZ, C.M., AND PAMPEYAN, E.H., 1970, GEOLOGY AND MINERAL DEPOSITS OF LINCOLN CO., NEV. NEV. BUR MINES BULL 73 P. 141}{Deposit:: SMITH, A.M. AND CARPENTER, J., 1931, INSPECTION TRIP NOTES: NBMG DISTRICT FILE 167, ITEM 3.}{Deposit:: NBMG DISTRICT FILE 167, PRESS CLIPPINGS, 1899, 1908.}{Deposit:: EMMONS, S.F., 1901, AIME TRANS, VOL XXXI, P. 658-682}{Deposit:: BENTZ, J., AND SMITH, P., 1983, FIELD EXAMINATION REPORT, SEPT 30, 1983.}{Production:: CALLAGHAN, 1937}
Reporter	Harner, Joy L. (Roberts, Ralph J.), La Pointe, D.D. (Tingley, J.V.)