Jefferson Mine

The Jefferson Mine is a lead and silver mine located in Santa Cruz county, Arizona at an elevation of 5,200 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: Jefferson Mine  

State:  Arizona

County:  Santa Cruz

Elevation: 5,200 Feet (1,585 Meters)

Commodity: Lead, Silver

Lat, Long: 31.59833, -110.85722

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 Jefferson Mine

Jefferson Mine MRDS details

Site Name

Primary: Jefferson Mine
Secondary: Jefferson Tunnel


Commodity

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


Location

State: Arizona
County: Santa Cruz
District: Salero 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: Mrs Jane Bouldin ; R. R. Hansen And Associates
Years: 1954 -

Owner Name: Phil Snyder
Years: 1950 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1922
Year Last Production: 1950
Discovery Method: Ore-Mineral In Place
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: TABULAR

Form: TABULAR


Structure

Type: R
Description: Vertical Or Steeply Southward Dipping Quartz Veins In Diorite And Granite Porphyry

Type: L
Description: Hanging Wall And Footwall Of Dike Are Composed Of Granite Porphyry On Upper Levels Of Mine And Diorite On Lower Levels


Alterations

Alteration Type: L
Alteration Text: Surface Oxidation To Depths Of 100 Ft.


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous


Analytical Data

Analytical Data: 1923 TO 1928 ORE VALUES AVERAGED 0.4% CU, 5 OZ/TON AG, 5% ZN, 15% PB, MINOR AU


Materials

Ore: Sphalerite
Ore: Chalcopyrite
Ore: Galena
Ore: Pyrite
Gangue: Hematite
Gangue: Quartz
Gangue: Barite


Comments

Comment (Deposit): ORE FOUND IN A WIDE AND WELL DEFINED DIKE WHICH VARIES IN WIDTH FROM 12 TO 50 FT; DIKE IS ABOUT 3000 FT LONG AND 15 MINERALIZED ON JEFFERSON PROPERTY FOR LENGTH OF ABOUT 1000 FT AND ON TRENTON PROPERTY FOR ABOUT SAME LENGTH MINERALIZED PORTIONS OF DIKE VARY IN WIDTH FROM 2-12 FT, AND IN LENGTH FROM 5-100 FT

Comment (Workings): 2 SHAFTS: ONE 200 FT DEEP, THE OTHER 75 FT DEEP; TWO MAJOR TUNNELS: UPPER TUNNEL 250 FT LONG, ORE STOPED ABOVE AND BELOW THE TUNNEL; THE LOWER TUNNEL IS 275 FT LONG; 12 TO 15 OPEN CUTS ON THE SURFACE. VARYING IN DEPTHS FROM 2-8 FT

Comment (Geology): LEAD AND ZINC CARBONATES FOUND IN OXIDATION ZONE; BELOW 100 FT GALENA AND SPHALERITE ARE ENCOUNTERED; MINERALIZATION OCCURS EITHER NEXT TO FOOTWALL OR HANGING WALL OF DIKE

Comment (Deposit): INCLUDED IN BACA FLOAT MINERAL SEGREGATION WHICH CONSISTS OF JEFFERSON, ALTO, BLAND, VICEROY, TRENTON, MONTEZUMA, ROYAL BLUE, EUREKA, AND 8 LESS PROMINENT MINES; OWNED BY R.R. HANSEN ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Location): SOUTH SIDE OF TRENTON GULCH, 1/4 MILE SE OF TRENTON MINE ; INFO FROM LAND.ST :(1979)

Comment (Development): OTHER PASTOPERATORS INCLUDE: SNYDER AND NUTTLES (1945-1949), BOULDIN (1944), JEFFERSON MINES INC. (1943), MILLER (1942), NEWMAN (1941), MORENO (1939), FULK (1936), HENDERSON (1928), FRANK AUBREY (1927), KRUSE (1923), CURTIS AND STEINFELD (1915)


References

Reference (Deposit): USBM-ABGMT PRODUCTION FILE DATA

Reference (Deposit): USBM FILE DATA - CLUSTER #109, JEFFERSON MINE

Reference (Deposit): ABGMT CLIPPINGS FILE DATA, JEFFERSON GROUP OF CLAIMS

Reference (Deposit): ADMR FILE DATA, JEFFERSON MINE

Reference (Deposit): ARIZ BUR MINES BULL 191, P. 86

Reference (Deposit): ABGMT FILES, STANTON B. KEITH

Reference (Deposit): USGS BULL 582, P. 209

Reference (Deposit): USGS MAP I-614

Reference (Deposit): USGS PP 748, P. 9-11


Arizona Gold

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"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.