The Juniper is a gold mine located in Mariposa county, California at an elevation of 2,651 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: 2,651 Feet (808 Meters)
Commodity: Gold
Lat, Long: 37.55889, -120.14944
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.
Juniper MRDS details
Site Name
Primary: Juniper
Secondary: Juniper & Patricia
Secondary: Patricia & Charles
Commodity
Primary: Gold
Secondary: Silver
Location
State: California
County: Mariposa
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Pereno C. Zirker, Et Al.
Production
Year: 1940
Time Period: - 1940
Material type: ORE AUG
Description: Cp_Grade: ^1.04 Oz Au/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1855
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
Not available
Alterations
Not available
Rocks
Name: Greenstone
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Not available
Comments
Comment (Deposit): Discovery Year: 1850'S
Comment (Deposit): A PATENTED CLAIM OF 20 ACRES AND SEVERAL UNPATENTED CLAIMS. ORIGINALLY INCLUDED THE JUNIPER, INDEPENDENCE, STARLIGHT (PATRICIA) AND MT. VIEW LODE CLAIMS AND THE INDEPENDENCIO PLACER CLAIM. (ONE OF THE CLAIMS APPARENTLY WAS RENAMED THE CHARLES.)
Comment (Geology): GEOL.DESC: MASSIVE AND SCHISTOSE GREENSTONE DERIVED FROM PYROXENE ANDESITE.
Comment (Production): RANGE OF ORE GRADE FROM 14.4 OZ AU, 4 OZ AG PER TON TO 0.35 OZ AU/TON. ACTIVE 1882 . LAST OPERATION 1933 - 1937 . PRODUCTION RECORDS ARE INCOMPLETE.
Comment (Deposit): VEINS, TWO SETS 1 - 5 FT THICK. SOME VEIN OFFSHOOTS STRIKE NE WITH STEEPER DIP THAN MAIN VEINS.
Comment (Workings): ON JUNIPER, 500-FT. ADIT, STOPES, TOTALING 800 FT. OF WORKINGS; ON STARLIGHT, OR PATRICIA, 320-FT. VERTICAL SHAFT WITH SEVERAL HUNDRED FEET OF DRIFTS.
Comment (Location): UTM ACC, SW 1/4 19 , NW 1/4 30 .
References
Reference (Deposit): BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 115 - 116 , 272 .
Reference (Deposit): LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU. P. 126 .
Reference (Production): BOWEN & GRAY 1957
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.
