Blue Spot Group

The Blue Spot Group is a tungsten 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

Name: Blue Spot Group  

State:  California

County:  Mariposa

Elevation:

Commodity: Tungsten

Lat, Long: 37.68889, -119.81167

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 Blue Spot Group

Blue Spot Group MRDS details

Site Name

Primary: Blue Spot Group


Commodity

Primary: Tungsten


Location

State: California
County: Mariposa


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: John Milanovitch, Barnett Brothers


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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): NO PRODUCTION TO 1954, AS EXTENSIVE ROAD CONSTRUCTION TO MAKE THIS GROUP OF CLAIMS ACCESSIBLE FOR EXPLORATION WAS NEVER COMPLETED. PROD. IN 1955 & 1956 PER USBM MIN. YB'S V. 3 FOR THOSE YEARS.

Comment (Deposit): INCLINE MNG. CO. APPL'N 3252 TO DMEA - REPORTED 6/8/54 BY CLARK & BENSON NO CONTRACT - DMEA INDEX P. 18


References

Reference (Deposit): CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, P. 330


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.