The Proto Mine Group is a copper and silver mine located in Santa Cruz county, Arizona at an elevation of 5,299 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 5,299 Feet (1,615 Meters)
Commodity: Copper, Silver
Lat, Long: 31.4, -110.74944
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Proto Mine Group MRDS details
Site Name
Primary: Proto Mine Group
Secondary: Thesssalia
Secondary: Gladstone-Proto Group
Secondary: Gladstone Mine
Commodity
Primary: Copper
Primary: Silver
Secondary: Lead
Secondary: Gold
Location
State: Arizona
County: Santa Cruz
District: Patagonia District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: J. W. Forsythe
Years: 1966 -
Owner Name: Hanna Mining Co
Years: 1966 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1903
Year Last Production: 1942
Discovery Year: 1888
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Deposits Occur In Form Of Subordinate Veins, Lenses, Stringers, And Seams In Intrusive Fissures, Joints, Sheeting Planes, And Other Fractures In Quartz Monzonite And Diorite
Type: L
Description: Diorite Forms Footwall And Quartz Monzonite Forms Hanging Wall Of Vein System
Alterations
Alteration Type: L
Alteration Text: Quartz Vein Is Banded, Drusy, And Highly Iron-Stained At Surface; Strong Wallrock Alteration
Rocks
Name: Hornblendite
Role: Associated
Age Type: Associated Rock
Age in Years: 58.000000+-5.000000
Age Young: Tertiary
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age in Years: 58.000000+-5.000000
Age Young: Tertiary
Analytical Data
Analytical Data: ORE VALUES AVERAGED 8% CU, 3 OZ./TON AG, MINOR PB AND AU
Materials
Ore: Pyrite
Ore: Chalcopyrite
Ore: Galena
Gangue: Quartz
Comments
Comment (Workings): OPENED BY A SERIES OF TUNNELS AND SHAFTS
Comment (Geology): ABOVE DESCRIBES PROTO MINE; OTHER CLAIMS IN GLADSTONE-PROTO MINE GROUP DESCRIBED UNDER GLADSTONE MINE GROUP
Comment (Deposit): SEE ALSO: GLADSTONE MINE GROUP ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Production): PRODUCTION DATA INCLUDED IN GLADSTONE-PROTO MINE GROUP
Comment (Development): OWNERS AND OPERATORS INCLUDED DALE HIGGENS, PROTO BROTHERS (1910-1918), FULTON (1929), SULLIVAN (1930), GLADSTONE MINING CO. (1903); PROTO AND GLADSTONE PROPERTIES WERE MERGED IN 1930, FORMING TOTAL OF 10 UNPATENTED CLAIMS
Comment (Deposit): GLADSTONE AND PROTO MINE GROUPS COVER CENTRAL-6000 FT. OF 5-MILE LONG FISSURE SYSTEM, WITH KNOWN EXTENT FROM BUENA VISTA GROUP ON SOUTH TO MORNING GLORY MINE ON NORTH
Comment (Location): 1.0 MILE NW OF FOUR METALS MINE; SHAFT LOCATED ON USGS MAP; PROTO MINE LOCATED LESS THAN 1/4 MILE TO NE OF GLADSTONE MINE ; INFO FROM LAND.ST :(1979)
References
Reference (Deposit): SIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)
Reference (Deposit): ABGMT FILES, STANTON B. KEITH
Reference (Deposit): TENNEY, JAMES B., 1927-1929, HISTORY OF MINING IN ARIZONA; ARIZONA BUREAU OF MINES P. 313
Reference (Deposit): MSBM-ABGMT PRODUCTION DATA; GLADSTONE-PROTO MINE GROUP
Reference (Deposit): SCHRADER, F.C., 1915, USGS BULL 582, P. 316-317
Reference (Deposit): KEITH, S.B., 1975, INDEX OF MINING PROPERTIES IN SANTA CRUZ COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 191, P. 81
Reference (Deposit): ADMR FILE DATA, GLADSTONE (PROTO, INDEPENDENCE) MINE
Reference (Deposit): USBM FILES, PROTO GROUP
Reference (Deposit): ABGMT CLIPPINGS FILE, GLADSTONE MINE
Arizona Gold
"Where to Find Gold in Arizona" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Arizona.
