Stephenson-Bennett Mine

The Stephenson-Bennett Mine is a silver and lead mine located in Dona Ana county, New Mexico.

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: Stephenson-Bennett Mine
Secondary: Stevenson-Bennett Mine: Empire Zinc Mine: Santo Domingo De La Calzada
Secondary: Mine: Calzada Mine: San Augustin Mine

Commodity

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

Location

State: New Mexico
County: Dona Ana
District: Organ District: Organ Mountains

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: Torpedo Mining Co.
Home Office: Organ, N.M.
Years: 1940 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1847
Year Last Production: 1934
Discovery Year: 1847
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M

Physiography

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

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Type: L
Description: Torpedo-Bennett Fault Zone Strikes North-South.

Alterations

Not available

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Permian

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Analytical Data

Not available

Materials

Ore: Wulfenite
Ore: Galena
Ore: Sphalerite
Ore: Smithsonite
Ore: Chalcopyrite
Ore: Hemimorphite
Ore: Anglesite
Gangue: Fluorite
Gangue: Pyrite
Gangue: Quartz
Gangue: Limonite

Comments

Comment (Location): ACCURATE LOCATION IS FOR THE ADIT OF THE EMPIRE ZINC MINE AS SHOWN ON THE ORGAN TOPOGRAPHIC QUADRANGLE.

Comment (Deposit): THE THREE MAJOR OREBODIES ARE THE STEPHENSON, THE BENNETT AND THE PAGE. THE BENNETT IS THE LARGEST AND HAS BEEN MINED DOWN DIP FOR ABOUT 600 FT., HAS A WIDTH OF 500 FT. ALONG STRIKE AND AVERAGES 10 FT. IN THICKNESS. THREE PATENTED CLAIMS AND ONE UNPATENTED CLAIM.

Comment (Workings): WORKINGS REPORTED IN 1935 CONSISTED OF SEVERAL PITS, A SHAFT ABOUT 500 FT. DEEP AND SEVEN TUNNELS WITH MANY LARGE STOPES.

References

Reference (Deposit): LINDGREN, W., GRATON, L.C., AND GORDON, C.H., 1910 USGS PP 68, P. 205-211

Reference (Deposit): DUNHAM, K.C., 1935 NMBMMR BULL 11, P. 220-228

Reference (Deposit): ALBRITTON, C.C., JR., AND NELSON, V.E., 1943 USGS OFR-43, P. 35-36

Reference (Deposit): SEAGER, W.R., 1981 NMBMMR MEM 36, P. 83-86

Reference (Deposit): NMBMMR GENERAL FILE DATA

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