Mine detail: Silver Helmet Mine

Previously called ''

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Location

Lat / long:

31.96484, -111.07902

Resource(M)

Primary:	Lead, Silver
Secondary:	Copper, Gold
Ore:	Copper
Orebody form:	SPOTTY

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1912
Last production ended:	1918

Geology

Host type:	Limestone
Associated type:	Granite

References

MRDS	M000125
DEP	10026764
Reference	{Deposit:: COOPER, J. R., 1960 , SOME GEOLOGIC FEATURES OF THE PIMA MINING DISTRICT, PIMA COUNTY, ARIZONA: USGS BULLETIN 1112-C.}{Deposit:: KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 138 .}{Production:: ABM BULLETIN 189 , P. 138 .}
Reporter	Johnson, Kris H. (Creasey, S.C.)