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
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.
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" 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.