Blue Dipper Group

  

Mine Info

State: California

County: Mariposa

Elevation:

Primary Mineral: Tungsten

Lat, Long: 37.34806, -118.24472



Blue Dipper Group MRDS details

Site Name

Commodity

Location

Primary: "Blue Dipper Group"
Primary: Tungsten
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership: National Forest
Administrative Organization:
Type: Underground


Ownership

Production

Deposit

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:
Discovery Method:
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Mineral Deposit Model

Orebody

Name:
Form:


Structure

Alterations

Rocks



Analytical Data

Materials

Analytical Data : AVG. .75% WO3
Ore: Pyrrhotite
Ore: Scheelite
Gangue: Epidote
Gangue: Wollastonite
Gangue: Quartz
Gangue: Calcite
Gangue: Tremolite
Gangue: Garnet


Comments

Comment Type:
Location
Comment UTM & SEC. PROJECTED RANGE WAS CHANGED FROM 20 TO 19 FROM DESCRIPTION OF LOCATION.
Comment Type:
Production
Comment NO PRODUCTION FIGURES REPORTED
Comment Type:
Workings
Comment IN 1954; UPPER TUNNEL WITH SEVERAL GALLERIES STRIKING N 55 E ABOUT 100 FT. LONG. SECOND TUNNEL WAS DRIVEN SE ABOUT 65 FT. BELOW MAIN TUNNEL, IT IS ABOUT 50 FT. LONG.
Comment Type:
Geology
Comment GEOL.DESC: SOME SCHEELITE OCCURS IN GRANODIORITE WHICH INTRUDES THE LIMESTONE.
Comment Type:
Deposit
Comment 1957, GROUP WAS UNDER LEASE TO INCLINE MINING COMPANY, LEE CUMEO, L. GARRIBOTTI, ETAL OF SAN FRANCISCO.


References

Reference Category:
Deposit
Pages:
Reference: BOWEN, O. E. AND CLIFFTON, G. H., 1957, MINES AND MINERAL DEPOSITS, MARIPOSA COUNTY; CA. JOUR. MINES AND GEOLOGY, VOL. 53, NO. 1&2, DIV. OF MINES, P. 196 - 197, 330
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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