Landrum

  

Mine Info

State: California

County: Mariposa

Elevation: 2,900 feet (884 meters)

Primary Mineral: Gold

Lat, Long: 37.54889, -119.97139



Landrum MRDS details

Site Name

Commodity

Location

Primary: "Landrum"
Secondary: "Barley Field Simeon Laudrum Mine"
Primary: Gold
Secondary: Copper
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership: Private
Administrative Organization:
Type: Surface/Underground


Ownership

Production

Deposit

Owner Name: George Matlock
Company ID:
Percent:
Home Office:
Info Year:
Years: -

Record Type: Site
Operation Category: Past Producer
Deposit Type:
Plant Type:
Plant Subtype:
Operation Type: Unknown
Mining Method:
Milling Method:
Year First Production:
Year Last Production:
Discovery Year: 1889
Discovery Method:
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Mineral Deposit Model

Orebody

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


Structure

Alterations

Rocks



Analytical Data

Materials

Ore: Chalcopyrite
Ore: Gold
Gangue: Talc


Comments

Comment Type:
Geology
Comment 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 Type:
Deposit
Comment 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 Type:
Production
Comment PRESENT OWNER DOES EXPLORATORY WORK.
Comment Type:
Deposit
Comment VEIN
Comment Type:
Workings
Comment SURFACE WORKINGS MAY BE CAVED STOPES


References

Reference Category:
Deposit
Pages:
Reference: 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 .
URL:
Reference Category:
Deposit
Pages:
Reference: LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU. P. 94 .
URL:
Reference Category:
Deposit
Pages:
Reference: CASTELLO, W. O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, P. 120 .
URL:
Reference Category:
Deposit
Pages:
Reference: AUBURY, L. E., 1904 , REGISTER OF MINES AND MINERALS MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 11 .
URL:
Reference Category:
Production
Pages:
Reference: BOWEN & GRAY 1957
URL:

Did You Know.......

A mine is a hole in the ground, owned by a liar.
-Mark Twain

About The MRDS Mines Database

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.

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