The Bronx Mine is a molybdenum mine located in Gila 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: Molybdenum
Lat, Long: 33.36611, -110.97611
Bronx Mine MRDS details
Site Name
Primary: Bronx MineCommodity
Primary: MolybdenumSecondary: Gold
Secondary: Silver
Tertiary: Lead
Tertiary: Copper
Location
State: ArizonaCounty: Gila
District: Summit District
Land Status
Land ownership: National ForestAdministrative Organization: Tonto National Forest
Holdings
Workings
Type: SurfaceOwnership
Production
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
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
Structure
Alterations
Alteration Type: L
Alteration Text: Oxidation Of Pyrite, Chalcopyrite, Molybdenite; Granite Replaced B Y Quartz & Muscovite
Alteration Text: Oxidation Of Pyrite, Chalcopyrite, Molybdenite; Granite Replaced B Y Quartz & Muscovite
Rocks
Name: Granite
Role: Host
Age Type: Associated Rock Unit
Age Young: Paleocene
Role: Host
Age Type: Associated Rock Unit
Age Young: Paleocene
Analytical Data
Analytical Data: 1935 ASSAY: $11.20 AU, $27.80 AG, $11.70 CU (6.5%). ANOTHER SAMPLE HAD 1.77-5% MO.
Materials
Ore: Ferrimolybdite
Ore: Malachite
Ore: Pyrite
Ore: Molybdenite
Ore: Chalcopyrite
Ore: Chalcocite
Gangue: Muscovite
Gangue: Fluorite
Gangue: Quartz
Comments
| Comment Type: Production |
Comment: MOLYBDENUM ORE MINED DURING WWI SAID TO HAVE BEEN STOCKPILED BUT W ASHED AWAY BY A FLASH FLOOD. CLAIMED TO HAVE PRODUCED $60,000 IN AU |
| Comment Type: Commodity |
Comment: IN 1942, OWNER CLAIMED A 12 FT VEIN IN WHICH 7 FT CARRIED 1.04% MO. |
| Comment Type: Development |
Comment: 18 CLAIMS. PROPERTY WORKED IN 1890'S AS A HIGH GRADE CU, AG, AU MINE. |
| Comment Type: Deposit |
Comment: VEINS WIDEST AND MOST STRONGLY MINERALIZED AT BOTTOM OF CANYON SUGGESTING OUTCROPS ARE NEAR UPPER LIMITS OF MINERALIZATION. ORE OCCURS IN STRINGERS TO 3 FT WIDE ZONES. |
| Comment Type: Workings |
Comment: 3 TUNNELS, ONE OF WHICH WAS CAVED IN 1939. |
| Comment Type: Deposit |
Comment: THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M001974 WITH RECORD M001974 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS. THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD D000314 OF R.U. KING WHICH HAS BEEN DELETED FROM MAIN MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
References
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Reference Category: Deposit
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Reference: ABM FILE RECORDS.
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Reference Category: Other Database
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Reference: CIMRI
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Reference Category: Deposit
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Reference: ADMR, 1962, MOLYBDENUM PROSPECTS IN AZ.
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Reference Category: Deposit
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Reference: PETERSON, 1963, USGS BULL 1741-H, P. 16.
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Reference Category: Deposit
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Reference: PETERSON, N.P., 1962, GEOL. AND ORE DEPOSITS OF THE GLOBE-MIAMI DISTRICT, ARIZ.: USGS PROF. PAPER 342, P. 133.
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