Description
R.R. Richardson And Associates
Commodities
PrimaryCopper
TertiaryGold, Silver
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENSES
Ore controlStrongly Sericitized Fracture Zones In Cret-Tert. Volcanics; Enriched In Places By System Of Cross Fractures
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Malachite, Pyrite
GangueFeldspar, Limonite, Muscovite, Quartz
Geology
Host rockRhyolite
Associated rockVolcanic Rock (Aphanitic),Andesite
StructureE-W And N-S Trending Faults, Thick-Bedded Very Fine-Grained Volcanics Associated With Red Mountain
Tectonic settingRed Mountain Fault Block; Downthrow To North
AlterationHighly Altered Rhyolite; Surface Oxidation To Unknown Depths
Economic & production
Development statusProducer
First production1916
Discovery year1925
Identification
Deposit ID10048354
MRDS IDM899945
Alternate namesAndes Group
RegionNA
Data scoreB
Coordinates31.51014, -110.74985
References
SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA; USGS BULLETIN 582, P. 264-265MOORES, RICHARD C., 1972, THE GEOLOGY AND ORE DEPOSITS OF A PORTION OF THE HARSHAW DISTRICT, SANTA CRUZ COUNTY, ARIZONA; M.S. THESIS, UNIVERSITY OF ARIZONASIMONS, FRANK S., 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA; USGS PROFESSIONAL PAPER 658-E, P.22ABGMT FILES, STANTON B. KEITHKEITH, STANTON B., 1975, INDEX OF MINING PROPERTIES IN SANTA CRUZ COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 191, P. 56ABGMT CLIPPINGS FILE, ANDES MINE-RED MOUNTAINTENNEY, JAMES B., 1927-1929, HISTORY OF MINING IN ARIZONA; ARIZONA BUREAU OF MINES, P. 313USBM FILES, AZTEC MINE GROUP