Leroy Mine Group

The Leroy Mine Group is a lead, zinc, silver, and copper mine located in Cochise 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

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.

Site Name

Primary: Leroy Mine Group
Secondary: Black Hawk
Secondary: Climax
Secondary: Comet
Secondary: Onetda
Secondary: Gold Queen
Secondary: Standard
Secondary: Jack Dempsey
Secondary: Lost Hope
Secondary: War Eagle. Pamerset

Commodity

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

Location

State: Arizona
County: Cochise
District: Mascot District, Dos Cabezas 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: Unknown

Ownership

Owner Name: Vmp Leasing Co., Bean

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1890
Year Last Production: 1953
Discovery Year: 1890
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

Form: IRREGULAR

Structure

Type: R
Description: Quartz Monzonite Body Is In Fault Contact With Cret Sediments To The North And In Concordant Contact With Cambrian Sediments To The South. E-W Trends On Bedding And On Fault

Type: L
Description: Faulting And Shearing Within The Quartz Monzonite Cuts Ore Veins

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Gold
Ore: Galena
Ore: Chalcopyrite
Ore: Niccolite
Gangue: Quartz
Unknown: Pyrite

Comments

Comment (Location): LOCATION GIVEN IS FOR SOUTHERN MOST SHAFT. INFO FROM LAND.ST :(1979)

Comment (Production): A FEW THOUSAND TONS OF ORE PRODUCED IN 1880'S AND SOME 4,000 TONS INTERMITTENTLY IN 1900'S UP TO 1950.

Comment (Development): OPERATORS INCLUDED LEROY CONSERVATION OF MINES, DORSEY BROS., RICE BROS., ARILAND MINES CO., FRANK PETERSON, MILLER LEASING. Z.P. ISSACSON. 6 PATENTED CLAIMS IN 1964

Comment (Deposit): MOST VEINS STRIKE NE AND DIP 65 SE. ORE VEIN AT ONEIDA TUNNEL, N-S, 64W, 2 FT IN WIDTH.

Comment (Workings): 2 SHAFTS, CLIMAX AND LEROY, AND NUMEROUS TUNNELS AT LEAST 2000 FT WORKINGS IN CLIMAX, 3 LEVELS, 1500 FT WORKINGS ON LEROY, 3 LEVELS, AND ONE TUNNEL THE ONEIDA, IS 500 FT LONG, WITH 500 FT SIDE DRIFTS

Comment (Geology): ORE IN COARSELY-TEXTURED, CROSSCUTTING QUARTZ VEINS ALONG FAULT AND SHEARS CUTTING GRANITIC ROCKS. ACCOMPANIED BY INTRUSIVE DIABASE DIKES.

References

Reference (Deposit): ELSING, M.J., AND HEINEMAN, R.E.S., 1936, ARIZONA BUREAUOF MINES BULLETIN 140, P. 91.

Reference (Deposit): ARIZ. B. OF M. BULL. 137, 1934, P.120, 121.

Reference (Deposit): KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, 62.

Reference (Deposit): ARIZONA DEPT OF MINERAL RESOURCES FILE DATA.

Reference (Deposit): COOPER, J.R,. 1960, U.S. GEOLOGICAL SURVEY MINERAL INVESTIGATIONS FIELD STUDIES MAP MF-231.

Reference (Deposit): MOORE, R.T., AND ROSEVEARE, G.H., 1969, MINERAL AND WATER RESOURCES OF ARIZONA: U.S. 90TH CONGRESS, 2ND SESSION, SENATE COMMITTEE ON INTERIOR AND INSULAR AFFAIRS, P. 257 AND 259.

Reference (Other Database): CIMRI

Reference (Production): KEITH, 1973, ARIZ. BUREAU OF MINES BULL. 187.

Arizona Gold

"Where to Find Gold in Arizona" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Arizona.