The El Oso Mine is a tungsten mine located in Maricopa county, Arizona.
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:
Primary Mineral: Tungsten
Lat, Long: 33.75361, -111.37694
El Oso Mine MRDS details
Site Name
Primary: El Oso MineSecondary: New Discovery
Secondary: Harrison
Commodity
Primary: TungstenTertiary: Molybdenum
Location
State: ArizonaCounty: Maricopa
District: Four Peaks District
Land Status
Land ownership: National ForestAdministrative Organization: Tonto National Forest
Holdings
Workings
Type: Surface/UndergroundOwnership
Owner Name: Marvin Harrison
Home Office: Of Fresno, Ca
Years: 1961 -
Home Office: Of Fresno, Ca
Years: 1961 -
Production
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1941
Years of Production:
Organization:
Significant: N
Deposit Size: S
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1941
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: LINEARForm: LINEAR
Structure
Type: L
Description: Granite Cut By A Mile Wide Belt Of Granite Porphyry. Fissures Stri King N-S, N20-25e, N45e, N65w
Description: Granite Cut By A Mile Wide Belt Of Granite Porphyry. Fissures Stri King N-S, N20-25e, N45e, N65w
Alterations
Rocks
Name: Pegmatite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Materials
Ore: Pyrite
Ore: Molybdenite
Ore: Wolframite
Ore: Scheelite
Gangue: Quartz
Gangue: Tourmaline
Gangue: Fluorite
Comments
Comment Type: Location |
Comment: CLAIMS EXTEND INTO MARICOPA CO. |
Comment Type: Commodity |
Comment: TUNGSTEN MINERALS NOT CONCENTRATED SUFFICIENTLY TO CONSTITUTE ORE EXCEPT IN A FEW PLACES |
Comment Type: Workings |
Comment: 235 FT LONG ADIT WITH 200 FT OF CROSSCUTS. SEVERAL SHORT ADITS AN D SHALLOW SHAFTS, OPEN CUTS AND TRENCHES |
Comment Type: Deposit |
Comment: THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M002890 WITH RE CORD M030451 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEOR ORE, USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
Comment Type: Production |
Comment: ONLY RECORDED PRODUCTION IS 24 UNITS OF WO3 IN 1953 & 1954. OTHER UNRECORDED PRODUCTION WAS LESS THAN A FEW TONS OF HAND SORTED ORE |
Comment Type: Development |
Comment: 17 UNPATENTED CLAIMS |
Comment Type: Deposit |
Comment: 2 SETS OF VEINS; N PART N75W DIP N, 5 PART S24W DIP W. SOME VEINS HAVE BEEN TRACED FOR 2000 FT ALTHOUGH NOT ALL. MINERALIZED VEINS AS A WHOLE AVERAGE 6 IN. WIDE, WIDE SPOTS OR SHOOTS BEING 30 FT LONG, 5 FT WIDE |
References
Reference Category: Deposit
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Reference: WILSON, 1941, ABM BULL 148, P. 31.
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Reference Category: Deposit
|
Reference: DALE, 1961, USBM IC 8078.
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Reference Category: Deposit
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Reference: ADMR FILE DATA.
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Reference Category: Other Database
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Reference: CIMRI
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Reference Category: Production
|
Reference: DALE, 1961, P. 12
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