Mine detail: Meadow Valley Mine

Previously called ''

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Location

Lat / long:

31.51014, -110.58511

Resource(M)

Primary:	Silver
Secondary:	Lead, Copper
Ore:	Argentite, Cerargyrite, Chalcopyrite, Pyrite
Gangue:	Magnetite
Orebody form:	IRREGULAR

Production

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

Geology

Host type:	Trachyandesite,Andesite
Associated type:	Granite
Structure:	Vein Is Continuous Along Porphyry-Andesite Contact But Contains No Metallic Minerals, Siliceous Belts Along Faults Are In Places Stained With Copper Carbonates
Tectonic:	Meadow Valley Trachyandesite Belt
Alteration processes:	Porphyry Dike Is Argillized; Accompanying Volcanic Sediments Are Silicified

References

MRDS	M899925
DEP	10098703
Reference	{Deposit:: USBM FILES, MEADOW VALLEY MINE}{Deposit:: SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA; USGS BULLETIN 582, P. 243-244}{Deposit:: SIMONS, FRANK S., 1974, GEOLOGIC MAP ANDSECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)}{Deposit:: SIMONS, FRANK S., 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA; USGS PROFESSIONAL PAPER 658-E, P.18}
Reporter	Calder, Susan R.