Hardshell Mine

The Hardshell Mine is a copper, gold, lead, silver, and manganese mine located in Santa Cruz county, Arizona at an elevation of 5,125 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: Hardshell Mine  

State:  Arizona

County:  Santa Cruz

Elevation: 5,125 Feet (1,562 Meters)

Commodity: Copper, Gold, Lead, Silver, Manganese

Lat, Long: 31.45944, -110.71639

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 Hardshell Mine

Hardshell Mine MRDS details

Site Name

Primary: Hardshell Mine
Secondary: Eagle-Pitcher Properties
Secondary: Manto


Commodity

Primary: Copper
Primary: Gold
Primary: Lead
Primary: Silver
Primary: Manganese
Secondary: Zinc


Location

State: Arizona
County: Santa Cruz
District: Harshaw District


Land Status

Land ownership: Private
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.


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: Asarco (American Smelting And Refining Co.)
Years: 1987 -


Production

Year: 1964
Time Period: 1896-1964
Material type: ORE
Description: Cp_Grade: ^6%Pb, 8 Oz/Tag, 0.5% Cu, Minor Zn, Au


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1896
Year Last Production: 1964
Discovery Year: 1879
Years of Production:
Organization:
Significant: Y
Deposit Size: M


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR, LENSES


Structure

Type: R
Description: Corral Canyon Fault Block, Downthrow To Sw. Located On N-S Trending American Fault

Type: L
Description: Fault Gouge And Silicified Fault Breccia In A Strong Fault Zone; Bedding Plane Fault In Conglomerate


Alterations

Alteration Type: L
Alteration Text: Silicification Of Fault Breccia


Rocks

Name: Shale
Role: Associated
Age Type: Host Rock
Age Young: Pliocene


Analytical Data

Not available


Materials

Ore: Braunite
Ore: Cerargyrite
Ore: Smithsonite
Ore: Pyromorphite
Ore: Hemimorphite
Ore: Anglesite
Ore: Gold
Ore: Psilomelane
Ore: Pyrolusite
Ore: Manganite
Ore: Wulfenite
Ore: Mimetite
Ore: Hydrozincite
Gangue: Limonite
Gangue: Quartz
Gangue: Clay


Comments

Comment (Development): PREVIOUS OWNERS/OPERATORS INCLUDE RICHARDSON, EMPIRE MINING & MIL LING CO, HARDSHELL MINING CO, GARDNER & YOUNG, BENDER, BIG JIM MINES I NC, VALENZUELA, ASARCO, MCFARLAND, HUGO MILLER (1937), F.C. JACK, H. BOSTWICK, A. ROBIES, MINING AND COMMERCIAL CORP (1937), C. FRAME, C. RO SSAN; 4 PATENTED CLAIMS.

Comment (Deposit): ORE OCCURS AS REPLACEMENT IN FAULT GOUGE, SILICIFIED BRECCIA, AND RHYOLITE.

Comment (Workings): EXTENSIVE SHAFT & ADIT OPERATIONS; 40 FT VERTICAL SHAFT, 500 FT 3 0 DEG INCLINED SHAFT.

Comment (Deposit): THIS REPORT WAS TAKEN FROM RECORD M030387 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Reserve-Resource): RESERVE HAS REFRACTORY METALLURGICAL PROBLEMS DUE TO MANGANESE.

Comment (Location): SAWYER AND OTHERS GIVE LOCATION AS 1.6 MILES SW OF HARSHAW AT 31-27-15N, 110-42-44W. ; INFO FROM LAND.ST :1979


References

Reference (Reserve-Resource): NIEMUTH, 1987.

Reference (Production): KEITH, 1975; ELSING & HEINEMAN, 1936.

Reference (Other Database): CIMRI

Reference (Deposit): SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: U.S. BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

Reference (Deposit): NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.

Reference (Deposit): USBM FILES, HARDSHELL MINE.

Reference (Deposit): ABGMT-USBM FILE DATA.

Reference (Deposit): ABGMT CLIPPINGS FILE; HARDSHELL MINE, EAGLE PITCHER LEAD CO.

Reference (Deposit): ABGMT FILE DATA, STANTON B. KEITH.

Reference (Deposit): VON FAY, 1965, ASARCO REPORT.

Reference (Deposit): ADMR FILE DATA, HARDSHELL MINE, TRENCH MILL.

Reference (Deposit): ELSING & HEINEMAN, 1936, ABM BULL 140.

Reference (Deposit): SCHRADER, 1915, USGS BULL 582.

Reference (Deposit): KEITH, 1975, ABM BULL 191.


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