Bronx Mine

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

Name: Bronx Mine  

State:  Arizona

County:  Gila

Elevation:

Commodity: Molybdenum

Lat, Long: 33.36611, -110.97611

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.


Satelite image of the Bronx Mine

Bronx Mine MRDS details

Site Name

Primary: Bronx Mine


Commodity

Primary: Molybdenum
Secondary: Gold
Secondary: Silver
Tertiary: Lead
Tertiary: Copper


Location

State: Arizona
County: Gila
District: Summit 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: Tonto National Forest


Holdings

Not available


Workings

Type: Surface


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
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


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 (Production): 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 (Commodity): IN 1942, OWNER CLAIMED A 12 FT VEIN IN WHICH 7 FT CARRIED 1.04% MO.

Comment (Development): 18 CLAIMS. PROPERTY WORKED IN 1890'S AS A HIGH GRADE CU, AG, AU MINE.

Comment (Deposit): 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 (Workings): 3 TUNNELS, ONE OF WHICH WAS CAVED IN 1939.

Comment (Deposit): 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

Reference (Deposit): ABM FILE RECORDS.

Reference (Other Database): CIMRI

Reference (Deposit): ADMR, 1962, MOLYBDENUM PROSPECTS IN AZ.

Reference (Deposit): PETERSON, 1963, USGS BULL 1741-H, P. 16.

Reference (Deposit): PETERSON, N.P., 1962, GEOL. AND ORE DEPOSITS OF THE GLOBE-MIAMI DISTRICT, ARIZ.: USGS PROF. PAPER 342, P. 133.


Arizona Gold

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