The Williams Brothers Gibbs is a gold and silver mine located in Mariposa county, California.
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
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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.
Williams Brothers Gibbs MRDS details
Site Name
Primary: Williams Brothers Gibbs
Commodity
Primary: Gold
Primary: Silver
Location
State: California
County: Mariposa
Land Status
Land ownership: National Forest
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
Not available
Ownership
Owner Name: Earl, Ray, Fred, G. Williams, Ralph Zelers.
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1865
Years of Production:
Organization:
Significant: N
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
Not available
Comments
Comment (Production): PROBABLY FIRST WORKED IN THE 1860'S AND SOME ACTIVITY UNTIL 1875. IDLE FOR SEVERAL DECADES DUE TO INACCESSIBILITY UNTIL PRESENT DEVELOPMENT WORK BEGUN IN 1949, AND STILL UNDER WAY IN 1956. SOME ORE MINED IN 1954 RAN $27.22 PER TON IN GOLD. IN 1953 SOME ORE TAKEN FROM THE OLD DUMPS YIELDED ABOUT $10 PER TON.
Comment (Workings): THREE ADITS, 150, 75 AND 200 FT. LONG RESPECTIVELY, UPPER TO LOWER; APPARENTLY CONSIDERABLE STOPING DURING EARLY DAY OF OPERATION.
Comment (Deposit): FOUR UNPATENTED CLAIMS, THE WILLAIMS BROTHERS AND THE 2, 4, 5, EXTENSIONS TOTALING ABOUT 80 ACRES. IN ADDITION TO THE GOLD, FLACKS OF OTHER SULFIDES SUCH AS SPHALERITE, GALENA AND ARSENOPYRITE MAY BE SEEN IN SOME OF THE ORE BUT ARE NOT COMMON.
References
Reference (Deposit): CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, P. 185-187, 316
Reference (Deposit): U.S. BUREAU OF MINES MIN. YEARBOOK 1954, MIN. INDUSTRY OF CALIF. (PREPRINT) P. 64.
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.
