Big Break

  

Mine Info

State: California

County: Mariposa

Elevation:

Primary Mineral: Gold

Lat, Long: 37.67361, -120.17444



Big Break MRDS details

Site Name

Commodity

Location

Primary: "Big Break"
Secondary: "Big Break Ext No. 1"
Secondary: "Contact Lode"
Primary: Gold
State: California
County: Mariposa
District: Coulterville
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type:


Ownership

Production

Deposit

Owner Name: Bryan A. Miller
Company ID:
Percent:
Home Office:
Info Year:
Years: -

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:
Name:
Form:


Structure

Alterations

Rocks



Analytical Data

Materials

Ore: Gold
Gangue: Quartz


Comments

Comment Type:
Workings
Comment 40-FT. SHAFT WITH SOME CONNECTING DRIFTS.
Comment Type:
Geology
Comment GEOL.DESC: GREENSTONE, SLATE & SERPENTINE ARE CUT BY BASIC DIKES.
Comment Type:
Deposit
Comment THREE UNPATENTED CONTIGUOUS CLAIMS.
Comment Type:
Deposit
Comment QUARTZ VEIN
Comment Type:
Location
Comment UTM EST. ADJOINS VIRGINIA MINE ON THE NW. THERE ARE SEVERAL UNIDENTIFIED WORKINGS ON THE N 1/2 OF THE SECTION.
Comment Type:
Production
Comment DEVELOPMENT WORK IS DONE INTERMITTENTLY; NO RECORDED PRODUCTION.


References

Reference Category:
Deposit
Pages:
Reference: BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 239
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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