Black Spring

  

Mine Info

State: California

County: Mariposa

Elevation:

Primary Mineral: Gold

Lat, Long: 37.48472, -119.98944



Black Spring MRDS details

Site Name

Commodity

Location

Primary: "Black Spring"
Primary: Gold
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type:


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

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Physiographic Detail:


Structure

Alterations

Rocks



Analytical Data

Materials

Ore: Gold
Gangue: Quartz


Comments

Comment Type:
Deposit
Comment VEIN
Comment Type:
Workings
Comment NO DATA ON WORKINGS
Comment Type:
Deposit
Comment ALOS MARIPOSAS GRANT MINE.
Comment Type:
Production
Comment ACTIVE IN 1905, 1906 AND 1909; DURING THIS PERIOD 56.82 TONS OF ORE YIELDED $620.90 OR AN AVERAGE OF $11.09 PER TON AT PREVAILING PRICE OF GOLD.
Comment Type:
Location
Comment UTM EST. SEC. LINES PROJECTED.


References

Reference Category:
Production
Pages:
Reference: BOWEN & GRAY, 1953
URL:
Reference Category:
Deposit
Pages:
Reference: BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 242
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.

Search

Recent Posts


Popular Tags

1906 San Francisco Earthquake Best Historical Photos Best Of Mining Era Structures Cemeteries Churches Gambling Towns Headframes Historical Commercial Buildings Historical Homes Hotels Mining Machinery Smelters Stamp Mills Victorian Homes Winter Scenes View All Tags