Mine detail: Tres De Mayo Mine Group

Previously called 'PeckPalmettoRobert E. Bob LeeHassayampaHollywoodUnionLa Palma'

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Location

Lat / long:

31.44597, -110.80207

Resource(M)

Primary:	Silver, Lead
Secondary:	Copper, Gold
Tertiary:	Zinc, Manganese, Molybdenum, Vanadium
Ore:	Argentite, Cerargyrite, Chalcopyrite, Gold, Malachite, Sphalerite, Wulfenite
Gangue:	Psilomelane, Quartz
Orebody form:	LENSES, TABULAR, IRREGULAR, BANDS AND PODS
Discovery year:	1880

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1909
Last production ended:	1942

Geology

Host type:	Hornblendite
Associated rock:	Comoro Canyon Granite
Associated type:	Granite
Structure:	Deposits Occur In Quartz Fissure Veins, Near Or Adjacent To Diorite Intrusions Which Form Small Disconnected Sheets And Dikes, Ne Fracture Zone; Major Fault Passes Through Area
Tectonic:	Basin And Range
Alteration processes:	Surface Oxidation To 90 Ft Depth; Diorite Near Contact Is Both Chl Oritized And Epidotized

References

MRDS	M000429
DEP	10102403
Reference	{Deposit:: KEITH, 1975, ABM BULL 191}{Deposit:: SCHRADER, 1915, USGS BULL 582}{Deposit:: MOGER, 1969, MS THESIS, UNIV OF AZ}{Deposit:: SIMONS, 1974, USGS MAP I-762}{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: USBM FILES, TRES DE MAYO MINE GROUP}{Deposit:: ADMR FILE DATA, TRES DE MAYO MINE}{Deposit:: ABGMT CLIPPINGS FILE, TRES DE MAYO PROPERTY}{Deposit:: ABGMT FILES, STANTON B. KEITH}{Other Database:: CIMRI}
Reporter	Peterson, Jocelyn A., Calder, Susan R.