Gill Ranch Mine

The Gill Ranch Mine is a chromium mine located in Tulare county, California at an elevation of 699 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

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.

Site Name

Primary: Gill Ranch Mine
Secondary: Gill Mine

Commodity

Primary: Chromium

Location

State: California
County: Tulare
District: Yokohl Valley Area

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: Unknown

Ownership

Owner Name: Frank Carson, A. D. Sweet Et Al
Years: 1918 -

Owner Name: Boston Ranch Co., 800 Wilshire Blvd., Suite 600, Los Angeles, Ca.

Production

Year: 1918
Time Period: 1917-1918
Material type: ORE
Description: Cp_Grade: ^Avg. 40% Cr2o3

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1917
Year Last Production: 1918
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Physiographic Detail: Sierra Nevada Foothills

Mineral Deposit Model

Not available

Orebody

Form: LENSE

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Chromite
Gangue: Talc
Gangue: Magnesite
Gangue: Chlorite

Comments

Comment (Location): MINE LOCATED ON NW FACING SLOPE JUST SOUTH OF YOKOHL CREEK, ABOUT 32 KM ESE OF ROCKY HILL.

Comment (Deposit): DEPOSIT CONSISTS OF A CONTINUOUS SERIES OF LENSES, THE LARGEST OF WHICH HAS THE ABOVE DIMENSIONS.

Comment (Workings): WORKINGS CONSISTED OF A SERIES OF 6 PITS AND TRENCHES THAT EXTEND ABOUT 70 M ALONG THE BOTTOM OF A SHALLOW GULLY (1975). THERE WAS ALSO 10-25 M OF TUNNELS AND A 10 M SHAFT (1918).

Comment (Geology): THE DEPOSIT IS LOCATED NEAR THE NORTH END OF A NW TRENDING, IRREGULARLY EXPOSED SERPENTINE BELT WHICH IS 5-6 KM WIDE AND ABOUT 40 KM LONG. THE HIGHLY SHEARED SERPENTINE IS BORDERED BY PRE-CRET. META VOLCANIC AND METASED. ROCKS, PLEISTOCENE ALLUVIUM AND MESO. GRANODIORITE INTRUSIVES.

References

Reference (Production): STINSON, 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED

Reference (Deposit): STINSON, M.C., 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED

Reference (Deposit): RYNEARSON, G.A., 1948, CDMG BULL 134, PART 3, CHAPT. 3, P. 96

Reference (Deposit): GOODWIN, J.G., 1958, CALIF. JOURNAL OF MINES AND GEOL., VOL. 54, NO. 3, P. 336.

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.