The Border Mine Group is a gold and silver mine located in Pima county, Arizona at an elevation of 3,950 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: 3,950 Feet (1,204 Meters)
Commodity: Gold, Silver
Lat, Long: 31.44778, -111.41972
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.
Border Mine Group MRDS details
Site Name
Primary: Border Mine Group
Secondary: Tunquepata Or Tunquita
Commodity
Primary: Gold
Primary: Silver
Secondary: Tungsten
Secondary: Copper
Tertiary: Lead
Location
State: Arizona
County: Pima
District: Cerro De Fresnal 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.
Administrative Organization: Coronado National Forest
Holdings
Not available
Workings
Type: Unknown
Ownership
Owner Name: Fischer Watt Mining Co.
Home Office: Kingman, Az.
Years: 1986 -
Production
Year: 1941
Time Period: 1930 - 1941
Material type: ORE
Description: Cp_Grade: ^0.9 Oz Au/Ton, Some Pb And Cu
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1933
Year Last Production: 1942
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
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Pyrite-Chalcopyrite Gossan, And Silica
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Not available
Comments
Comment (Production): INTERMITTENT PRODUCTION
Comment (Development): 1984-86: FISCHER WATT DID GEOLOGIC EVALUATION AND GEOCHEMICAL SAMPLING AT THIS SITE.
Comment (Deposit): WEATHERED AND OXIDIZED.
Comment (Workings): SHAFT, TRENCH, OPEN CUT
References
Reference (Other Database): CIMRI
Reference (Production): ( 1 ), ( 8 ) ABM BULLETIN 189 , P. 104
Reference (Deposit): KEITH, S. B., 1974, INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN, 189, P. 104.
Reference (Deposit): YEEND, WARREN, 1972, FIELD EXAMINATION.
Reference (Deposit): NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.
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.
