Martinez

The Martinez is a gold mine located in El Dorado county, California at an elevation of 1,050 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: Martinez

State:  California

County:  El Dorado

Elevation: 1,050 Feet (320 Meters)

Commodity: Gold

Lat, Long: 38.63667, -120.81833

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 Martinez

Martinez MRDS details

Site Name

Primary: Martinez
Secondary: Hillside Group


Commodity

Primary: Gold
Tertiary: Lead


Location

State: California
County: El Dorado


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: L
Description: Rocks In Area Trend Nw, Formations Are Much Disturbed By Faulting Some Faulted To Ne With Displacement From 16 To 30 Ft.


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: ORE DURING 1928 - 31 YIELDED $1.80 - $6.40 PER TON AU OTHER SMALL TONNAGES MILLED FROM 1923 - 26 VARIED FROM $4 - $80 PER TON AU


Materials

Ore: Pyrite
Ore: Gold
Ore: Galena
Gangue: Quartz


Comments

Comment (Deposit): VEINS ASSOCIATED WITH NARROW BANDS OF AMPHIBOLITE AND SERPENTINE

Comment (Commodity): ORE CONSISTS OF SCHIST AND SLATE

Comment (Production): ACTIVE 1915 , 1926 - 1931 , 1934 - 1941

Comment (Workings): DEVELOPED BY MAIN 1700 FT N DRIFT ADIT AND 700 FT N DRIFT ADIT 300 FT ABOVE MAIN ADIT, BOTH CONNECTED BY RAISE. A 42 FT SHAFT IS NEAR MAIN ADIT PORTAL

Comment (Geology): IN MARIPOSA SLATE

Comment (Deposit): NUMEROUS CLAIMS BUT LITERATURE VARIES WIDELY ON NAMES WHICH IT INCLUDES ; INFO.SRC : 1 PUB LIT


References

Reference (Deposit): CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL 52 , NO. 4 , PG 419 , 517 AND PL 10 .

Reference (Deposit): LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CALIF. DIV. MINES BULL. 108 , PG 30 - 31 , AND PL II.

Reference (Deposit): LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 ,NO. 3 , PG 237 - 238 , 264 AND PL II.

Reference (Production): CLARK ( 1956 )


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.