The Landrum is a gold mine located in Mariposa county, California at an elevation of 2,900 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: 2,900 Feet (884 Meters)
Commodity: Gold
Lat, Long: 37.54889, -119.97139
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.
Landrum MRDS details
Site Name
Primary: Landrum
Secondary: Barley Field Simeon Laudrum Mine
Commodity
Primary: Gold
Secondary: Copper
Location
State: California
County: Mariposa
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: George Matlock
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1889
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
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Gold
Gangue: Talc
Comments
Comment (Geology): GEOL.DESC: MAIN VEIN IS BRECCIATED, A SECOND VEIN OUTCROPS 50 - 60 FT. SW OF MAIN VEIN & IS ROUGHLY PARALLEL. IT IS 4 - 5 FT. THICK, DIPPING SW 50 - 65. ABOUT 400 FEET NW OF THE END LINE OF OLD STANDBY CLAIM & SLIGHTLY ENECHELON TO LANDRUM VEIN IS A 2 FT. THICK VEIN OF BLUISH GLASSY QUARTZ WITH CHALCOPYRITE. BOWEN & GRAY ( 1957 ) CALL WALL ROCKS GRANITIC, LAIZURE ( 1928 ) CALL WALL ROCKS LIMESTONE & TALC FOOTWALL, PORPHYRY HANGING WALL.
Comment (Deposit): ONE CLAIM, THE OLD STANDBY, 20 ACRES SURVEYED BUT UNPATENTED, FORMERLY PART OF A GROUP OF THREE INCLUDING THE SIMEON LANDRUM BUT OTHER CLAIMS HAVE APPARENTLY BEEN ABANDONED. MINE IS CHARACTERIZED BY POCKETS OF VERY RICH ORE WHICH ARE IN PLACES FOUND IN VEIN QUARTZ AND IN OTHERS IN DISINTEGRATED DIKE MATERIAL. MAY BE ACTIVE. OPEN CUT MINING MAY BE FEASABLE.
Comment (Production): PRESENT OWNER DOES EXPLORATORY WORK.
Comment (Deposit): VEIN
Comment (Workings): SURFACE WORKINGS MAY BE CAVED STOPES
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. 116 - 117 , 275 .
Reference (Deposit): LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU. P. 94 .
Reference (Deposit): CASTELLO, W. O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, P. 120 .
Reference (Deposit): AUBURY, L. E., 1904 , REGISTER OF MINES AND MINERALS MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 11 .
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.
