Seeley Group

The Seeley Group is a mine located in San Luis Obispo county, California at an elevation of 2,520 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

Name: Seeley Group

State:  California

County:  San Luis Obispo

Elevation: 2,520 Feet (768 Meters)

Commodity:

Lat, Long: 35.3717, -120.67610

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.


Satelite image of the Seeley Group

Seeley Group MRDS details

Site Name

Primary: Seeley Group
Secondary: Ore Bag Claim
Secondary: Seeley-Miller Property
Secondary: Spring Creek Nos. 1-4 Claims
Secondary: Trout Creek Nos. 1-4 Claims
Secondary: Crown Point Claim
Secondary: Outpost Nos. 1 and 2 Claims


Commodity

Tertiary: Iron
Tertiary: Chromium


Location

State: California
County: San Luis Obispo
District: Cuesta Pass


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

Type: Other


Workings

Not available


Ownership

Owner Name: San Luis Mining Co.
Home Office: California
Info Year: 1976

Owner Name: U.S. Forest Service - Los Padres National Forest
Percent: 100.0
Home Office: California
Info Year: 1976


Production

Year: 1953
Description: Lump Ore Produced From 1953 To 1955. 15 Mt @ 47 Pct/2.1:1 Cr:Fe
Year: 1953
Description: Concentrates Produced From 1953 To 1955 1050 Mt @ 45.6 Pct/2.2:1 Cr8fe
Year: 1953
Description: Ore Mined From 1953 To 1955 5140 Mt @ 11.5 Pct
Year: 1917
Description: Lump And Milling Ore From 1917-1919 500 Mt


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Mining Method: Unknown
Year First Production: 1880
Discovery Year: 1880
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Unknown: Chromite
Unknown: Olivine
Unknown: Pyroxene
Unknown: Serpentine


Comments

Comment (Deposit): ORE RESERVE ESTIMATES FROM SMITH AND GRIGGS,USGS BULL.945-B, 42-43 ORE BODY SIZE AND ORIENTATION FOR WESTERN ORE BODY AT L CLAIMS. MILL ORE RAN 11.3% CR2O3.CONC RAN 45.6% CR2O3,14% FE=2.2,MASSIVE RAN 47% CR2O3,15%FE,CR/FE=2.1 TOTAL PRODUCTI OX 1051 LT CONC & 16 LT LUMP (5140 LT ORE MILLED) INADEQUATE RESOURCES FOR COST ANALYSIS. ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES-MASSIVE 2 04.50,CR2O3 46.77,FEO 20.05,TOTAL FE 26.37,AL203 09.45,MGO CR/FE 1.56.DISSEMINATED ORE=SI02 04.16,CR2O3 55.54,FEO 13.73 FE 18.65,AL203 07.56,MGO 13.02,CR/FE 2.62.


References

Reference (Deposit): U.S. GEOLOGICAL SURVEY BULLETIN 945-B, 1944, P. 42-43.


California Gold

Where to Find Gold in California

"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.