Lead Mountain

The Lead Mountain is a barium-barite mine located in San Bernardino county, California at an elevation of 2,402 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: Lead Mountain  

State:  California

County:  San Bernardino

Elevation: 2,402 Feet (732 Meters)

Commodity: Barium-Barite

Lat, Long: 34.91972, -116.93472

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 Lead Mountain

Lead Mountain MRDS details

Site Name

Primary: Lead Mountain


Commodity

Primary: Barium-Barite
Secondary: Gold
Secondary: Lead
Secondary: Silver
Tertiary: Zinc


Location

State: California
County: San Bernardino
District: Grapevine


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

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


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: PB 15 - 30 %, AU $.40 - 2.00 , AG 6 - 30 OZ.


Materials

Ore: Galena
Ore: Cerargyrite
Gangue: Barite
Gangue: Quartz


Comments

Comment (Location): UTM ACC. ; INFO FROM LAND.ST :UNDETERMINED

Comment (Workings): SERIES OF OPEN CUTS AND TUNNELS FOR DISTANCE OF 500 FT. PRESENT WORKINGS CONFINED TO TUNNEL DRIVEN NORTH FOR 75 FT. CROSSCUTTING ORE FISSURE. DRIFTS AND STOPING ABOVE THIS LEVEL. NEAR PORTAL OF CROSSCUT TUNNEL, SHAFT HAS BEEN SUNK ON AN INCLINE OF 33 DEG. FOR 210 FT. STOPE 25 FT. WIDE BY 50 FT. LONG, 30 FT. HIGH. AT FLOOR OF STOPE, THERE IS A VERTICAL WINZE 245 FT CONNECTS SHAFT TO TUNNEL 1300 FT. IN LENGTH DRIVEN FROM NORTH.

Comment (Geology): GEOL.DESC: COUNTY ROCK IS TUFF, LIMESTONE AND ANDESITIC PORPHYRY

Comment (Deposit): VEIN MATERIAL IS A COARSELY CRYSTALLIZED BARITE, WITH QUARTZ CONTAINING BROWN IRON OXIDES, LEAD CARBONATE, OCHRE, MANGANESE OXIDE AND SILVER CHLORIDES.

Comment (Deposit): WORKED FOR BARITE 1931 - 1933 , NO LEAD - SILVER PRODUCTION. COMPRISED OF 640 ACRES.


References

Reference (Deposit): GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 3 & 4 ; DIV. OF MINES, P. 646 - 647

Reference (Deposit): TUCKER, W. B., 1924 , LOS ANGELES FIELD DIVISION; 20TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 199 - 200


California Gold

Where to Find Gold in California

"Where to Find Gold in California" 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 California. Read more: Where to Find Gold in California.