Cerro Colorado Mine

The Cerro Colorado Mine is a silver mine located in Pima county, Arizona at an elevation of 3,848 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

Name: Cerro Colorado Mine  

State:  Arizona

County:  Pima

Elevation: 3,848 Feet (1,173 Meters)

Commodity: Silver

Lat, Long: 31.66, -111.27333

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 Cerro Colorado Mine

Cerro Colorado Mine MRDS details

Site Name

Primary: Cerro Colorado Mine
Secondary: Heintzelman
Secondary: Silver Queen


Commodity

Primary: Silver
Secondary: Gold
Secondary: Copper
Secondary: Lead
Tertiary: Mercury
Tertiary: Zinc


Location

State: Arizona
County: Pima
District: Cerro Colorado District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Albert Steinfeld And Co, Arizona Building Co

Owner Name: Harry Lehman, U.S. Magne Pipe Corp.
Years: 1964 -


Production

Year: 1937
Time Period: 1770-1937
Material type: ORE AG
Description: Cp_Grade: ^100 0z Ag/Ton, 0.1 Oz Au/Ton, Minor Pb,Cu


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1856
Year Last Production: 1937
Discovery Year: 1750
Discovery Method: Unknown
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

Form: IRREGULAR, LENSING


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Hematite Stain & Drusy Quartz.


Rocks

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Not available


Materials

Ore: Stromeyerite
Ore: Argentite
Ore: Pyrite
Ore: Tetrahedrite
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Stephanite
Ore: Polybasite
Ore: Cinnabar
Ore: Freibergite
Ore: Anglesite
Ore: Mercury
Ore: Silver
Ore: Galena
Ore: Cerargyrite
Gangue: Siderite
Gangue: Quartz
Gangue: Calcite
Gangue: Barite
Gangue: Chlorite
Gangue: Sericite
Gangue: Iron


Comments

Comment (Development): CLOSED 1884 TO 1901; MILL OPERATING IN 1964; 1 PATENTED CLAIM, 20 UNPATENTED CLAIMS

Comment (Workings): MAIN SHAFT FLOODED TO 50 FEET, OTHER SHAFTS IN VICINITY ARE FLOODED, CAVED, OR LAGGED AT SURFACE. SOME GROUND ON THE CERRO COLORADO CLAIM MIGHT BE UNSTABLE BECAUSE LARGE STOPES KNOWN TO EXIST NOT FAR BELOW THE SURFACE.

Comment (Location): CENTER SECTION 25. INFO FROM LAND.ST :01, 00

Comment (Commodity): THE RICHEST ORE ON RECORD RAN OVER 12,000 OZ AG PER TON, THE AVERAGE ORE MINES IN 1859 WAS 770 OZ/T, THE AVERAGE OF ALL ORE MINED SINCE THEN HAS BEEN ABOUT 225 OZ/T.

Comment (Deposit): NO SIGNIFICANT QUANTITIES OF ORE WERE FOUND BELOW 350 FT.

Comment (Deposit): JONES WAS NOT ABLE TO EXAMINE MINE IN DETAIL, AND GOT SOME INFORMATION FROM AN OLD, PROBABLY UNRELIABLE REPORT. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT


References

Reference (Deposit): JONES, R.D., 1957, CERRO COLORADO DISTRICT: UNIV. ARIZ. M.S. THESIS.

Reference (Deposit): KEITH, S.B., 1974, INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189, P. 114.

Reference (Deposit): HEYLMUN, E.B., 1987, CERRO COLORADO SILVER MINE, ARIZONA: CALIFORNIA MINING JOURNAL, V. 56, NO. 11, P. 75-78.

Reference (Other Database): CIMRI

Reference (Production): ( 1 ) KEITH, S. B., 1974 . ( 2 ) ELSING, 1936 , ABM BULL. 140 . HEYLMUN, 1987, P. 77.


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