San Juan Rigde Mine

The San Juan Rigde Mine is a gold mine located in Nevada county, California at an elevation of 4,380 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

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.

Site Name

Primary: San Juan Rigde Mine
Secondary: San Juan Mine
Secondary: San Juan Ridge

Commodity

Primary: Gold

Location

State: California
County: Nevada

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: Patented

Workings

Not available

Ownership

Owner Name: Battle Mountain Gold Co.
Percent: 100.0
Home Office: Texas

Owner Name: Battle Mountain Gold Co.
Percent: 70.00
Home Office: Texas
Years: 1985 - 1992

Owner Name: Siskon Gold Corp.
Percent: 30.00
Home Office: California
Info Year: 1997
Years: 1985 - 1992

Owner Name: Siskon Gold Corp.
Company ID: 405217
Percent: 100.0
Home Office: California
Info Year: 1996
Years: 1992 -

Production

Year: 1996
Description: Gold Production; First 1/2 1996 (Est) 7000 Tr Oz Gold
Year: 1996
Description: Ore Mined 145611 St Ore
Year: 1996
Description: Gold Production 9651 Tr Oz/Yr
Year: 1994
Description: Gold Production (Est) 40000 Tr Oz/Yr Gold
Year: 1995
Description: Gold Production 25000 Tr Oz/Yr Gold

Deposit

Record Type: Site
Operation Category: Plant
Plant Type: Beneficiation (Mill)
Operation Type: Placer
Mining Method: Open Stope - Room and Pillar
Milling Method: Gravity
Year First Production: 1996
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: Y
Deposit Size: S

Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough

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 (Reserve-Resource): EQUIVALENT TO 16.4 M CU YDS AU BEARING MATERIAL, 0.034OZ/T AU. DATA ON 1996 RESERVES COULD NOT BE LOCATED, NOT REPORTED IN THE COMPANIES 1996 ANNUAL REPORTS:

Comment (Reserve-Resource): THE 257,707 OZ AU (1996/97 RANDOL MINING DIRECTORY), WAS CONVERTED FROM OZ/CUBIC YARD TO G/MT USING A SPECIFIC GRAVITY OF 2.2

Comment (Production): ESTIMATED PRODUCTION IS 30,000-40,000 OPY (1995). OVER 7000 OZ AU WAS PRODUCED DURING THE FIRST HALF OF 1996.

Comment (Deposit): UNTIL 1886 MINE OPERATED AS AN OPEN PIT MINE.

Comment (Location): MILS LAT/LONG IS NOT CONSISTANT WITH THE NAP NAME GIVEN (BLUE CANYON 7.5 MIN TOPO SHEET).

References

Reference (Production): COMAPNIES, P166.

Reference (Production): MINING ENGINEERING. "SAN JUAN RIDGE GOLD MINE BEGINS

Reference (Production): PRODUCTION". 12/96. PP.26-31.

Reference (Reserve-Resource): RANDOL MINING DIRECTORY, 1994/95, U.S. MINES AND MINING

Reference (Reserve-Resource): COMPANIES, P238.

Reference (Reserve-Resource): SISKON GOLD CORPORATION, 1996 ANNUAL & FORM 10-SKB REPORT,

Reference (Reserve-Resource): PP. 6, 7.

Reference (Deposit): U.S. BUREAU OF MINES TECHNICAL PROGRESS REPORT #3, 12/67,

Reference (Deposit): "THE GOLD RESOURCES IN THE TERIARY GRAVELS OF CALIFORNIA".

Reference (Deposit): U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 772, P. 21-28.

Reference (Deposit): RANDOL MINING DIRECTORY, 1990 AND 1994.

Reference (Deposit): MINING RECORD, V105 N47, 11-23-94, P.1.

Reference (Deposit): MINING RECORD, V106 N6, 2-8-95, P.3.

Reference (Deposit): MINING RECORD, V106 N11, 3-15-95, P.3.

Reference (Deposit): MINING JOURNAL, MAR. 13, 1992, VOL. 318, NO. 8164, P. 193.

Reference (Deposit): MINING RECORD, V107 N32, 8-7-96, P.1.

Reference (Deposit): COMPANIES, P166.

Reference (Deposit): AMERICAN MINES HANDBOOK, 1996, P218.

Reference (Deposit): THE MINING RECORD, VOL. 107, #32, P1.

Reference (Deposit): THE MINING RECORD, V 105, #15, 04/13/94, PP. 1, 4.

Reference (Deposit): RANDOL MINING DIRECTORY, 1996/97, U.S. MINES AND MINING

California Gold

"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.