The Bobtail Mine is a gold, silver, and copper mine located in Gila county, Arizona at an elevation of 5,000 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: 5,000 Feet (1,524 Meters)
Primary Mineral: Gold, Silver, Copper
Lat, Long: 33.27278, -110.86333
Bobtail Mine MRDS details
Site Name
Primary: Bobtail MineSecondary: Mariana Missouri
Secondary: Virginia
Commodity
Primary: GoldPrimary: Silver
Primary: Copper
Secondary: Tungsten
Tertiary: Lead
Tertiary: Zinc
Location
State: ArizonaCounty: Gila
District: Pioneer District
Land Status
Land ownership: National ForestAdministrative Organization: Tonto National Forest
Holdings
Workings
Type: UnknownOwnership
Production
Year: 1945
Time Period: 1940 - 1945
Material type: AG
Description: Cp_Grade: ^12.06 Oz/Ton
Time Period: 1940 - 1945
Material type: AG
Description: Cp_Grade: ^12.06 Oz/Ton
Year: 1945
Time Period: 1940 - 1945
Material type: CU
Description: Cp_Grade: ^2.8% Cu
Time Period: 1940 - 1945
Material type: CU
Description: Cp_Grade: ^2.8% Cu
Year: 1945
Time Period: 1940 - 1945
Material type: AU
Description: Cp_Grade: ^0.11 Oz/Ton
Time Period: 1940 - 1945
Material type: AU
Description: Cp_Grade: ^0.11 Oz/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1950
Years of Production:
Organization:
Significant: N
Deposit Size: S
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1950
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane PlateausPhysiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Orebody
Form: PINCH AND SWELLStructure
Alterations
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Materials
Ore: Silver
Ore: Huebnerite
Ore: Scheelite
Ore: Gold
Ore: Chalcopyrite
Ore: Pyrite
Ore: Galena
Ore: Sphalerite
Comments
| Comment Type: Commodity |
Comment: THE BOBTAIL VEIN CARRIES LITTLE OR NO TUNGSTEN VALUE. THE TUNGSTEN VEIN CONTAINS SPARSE TUNGSTEN MINERALS |
| Comment Type: Production |
Comment: NO TUNGSTEN PRODUCTION IS KNOWN TO HAVE BEEN RECORDED. |
| Comment Type: Development |
Comment: OPERATORS INCLUDED PANDORA COPPER CO., 1915, BOBTAIL DEVELOPMENT CO., KILPATRICK BROTHERS, TULSA MINERALS CORP. 1945-1947, ROSENGARTEN 1926, C. H. FOERESTER AND J. BELCHER 1940. |
| Comment Type: Workings |
Comment: SEVERAL SHALLOW PITS AND OPEN CUTS, AND TWO SHORT ADITS ARE ALSO LOCATED ON THE PROPERTY, INCLUDES INCLINED SHAFT, 75 FT AND ADIT, 235 FT LONG. |
| Comment Type: Geology |
Comment: NO DETAILED GEOLOGIC MAP OF AREA AVAILABLE. NE-TRENDING ETERT SCHULTZE GRANITE DIKES ARE COMMON THROUGHOUT DISTRICT, AS ARE OUTCROPS OF MADERA DIORITE(PREC). MINERALIZATION ASSOCIATED WITH ETERT SCHULTZE GRANITE INTRUSTION. |
References
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Reference Category: Deposit
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Reference: DALE, V.B., 1961, TUNGSTEN DEPOSITS OF GILA, YAVAPAI, MOHAVE COUNTIES, ARIZONA: USBM INFORMATION CIRCULAR 8078, P. 3.
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|
Reference Category: Deposit
|
Reference: USGS BULL 1141-H, 1965, PLATE I.
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Reference Category: Deposit
|
Reference: ABGMT CLIPPINGS FILE.
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Reference Category: Deposit
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Reference: ABGMT-USBM FILE DATA.
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Reference Category: Production
|
Reference: USBM INFORMATION CIRCULAR 8078, P. 4.
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