The Zaca Mine & Mill is a gold and silver mine located in Alpine county, California at an elevation of 6,001 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
Elevation: 6,001 Feet (1,829 Meters)
Commodity: Gold, Silver
Lat, Long: 38.6661, -119.70640
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.
Zaca Mine & Mill MRDS details
Site Name
Primary: Zaca Mine & Mill
Secondary: Collosus
Secondary: Zaca Mine and Mill
Secondary: Advance
Secondary: Tarnish
Commodity
Primary: Gold
Primary: Silver
Tertiary: Copper
Tertiary: Lead
Tertiary: Tungsten
Location
State: California
County: Alpine
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: Located Claim
Workings
Type: Surface
Ownership
Owner Name: Western States Minerals Corp.
Home Office: Colorado
Info Year: 1990
Owner Name: Siskon Gold Corp. (Centurion Gold Ltd.)
Company ID: 401337
Percent: 100.0
Home Office: Canada
Info Year: 1990
Owner Name: Western States Minerals Corp.
Company ID: 401337
Home Office: Colorado
Info Year: 1997
Owner Name: Atlas Corp.
Company ID: 401337
Percent: 50.00
Info Year: 1983
Owner Name: California Silver Ltd
Company ID: 401337
Percent: 50.00
Home Office: Canada
Info Year: 1983
Production
Not available
Deposit
Record Type: Site
Operation Category: Plant
Plant Type: Leach
Plant Subtype: Hydromet
Operation Type: Surface
Mining Method: Bench (Berm)
Milling Method: Hydrometallurgy Unspecified
Year First Production: 1864
Discovery Year: 1862
Years of Production:
Organization:
Significant: Y
Deposit Size: S
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
Unknown: Argentite
Unknown: Galena
Unknown: Gold
Unknown: Pyrite
Unknown: Sphalerite
Comments
Comment (Reserve-Resource): PROPOSED DEVELOPMENT OF THIS SITE IS BASED ON DRILL INDICATED RESERVES (IN SITU) CONTAINING AN ESTIMATED 6,620,000 MT AVERAGING 1.03 GM/MT AU AND 24.0 GM/MT AG. RECOVERABLE INDICATED RESERVES USING A 20% DILUTION FACTOR ARE ESTIMATED TO BE 7,944,000 MT AT A GRADE OF 0.86 GM/MT AU AND 20.0. GM/MT AG. ALL INFRASTRUCTURE COSTS HAVE BEEN INCLUDED WITH MINE CAP TOTAL. MINE CAP IS ESTIMATED TO BE 30%, AND MILL CAP 70%. OF WORKING CAPITAL.
Comment (Deposit): AS OF 1996/97 PROPERTY IS UNDERGOING SOME RENEWED EXPLORATION INTEREST BY WESTERN STATES MINERALS CORP. RESOURCES LISTED IN BACK UP AT THAT TIME ARE INCLUDED IN "R" RECORD #3 AS OF END OF 1986 A NEW MINING PLAN HAD BEEN DEVELOPED WHICH WOULD USE HEAP LEACHING. STILL NOT PRODUCING AS OF 1989.
References
Reference (Deposit): ENGINEERING AND MINING JOURNAL. JAN. 1983, P. 56.
Reference (Deposit): CAL ST MNG BUR RPRT NO. 17, P. 401.
Reference (Deposit): 18 RPRT P. 358.
Reference (Deposit): CAL JMG V. 53, P. 413
Reference (Reserve-Resource): ORE RESERVE INFORMATION FROM OPERATOR, 2/2/87.
Reference (Reserve-Resource): RANDOL MINING DIRECTORY, 1990.
Reference (Reserve-Resource): RANDOL MINING DIRECTORY, 1996/97, P170.
Reference (Deposit): MORRISON-KNUTSON CO., INC.-MINING GROUP. MINE DEPOSIT FILE
Reference (Deposit): REPORT CALIFORNIA SILVER LID.-ZACA MINE, MARK LEEVILLE,
Reference (Deposit): CA., FINAL REPORT. USBM CONTRACT NO. SO221028, JULY 1983.
Reference (Deposit): CALIFORNIA SILVER LTD., COPORATE PROFILE, NOV. 1982.
Reference (Deposit): CALIFORNIA SILVER LTD., ANNUAL REPORT. 1981.
Reference (Deposit): INTERNATIONAL INVESTORS VIEWPOINT. COMPLIMENTARY INVESTMENT
Reference (Deposit): NEWSLETTER. APRIL 13, 1982.
Reference (Deposit): THE MINING RECORD. CALIFORNIA SILVER 1981 EXPLORATION REPORT
Reference (Deposit): DEC. 16, 1981.
Reference (Deposit): MINING CONGRESS JOURNAL. JOINT DEVELOPMENT SET FOR ZACA
Reference (Deposit): PROPERTY. JUNE 1982. PP. 12.
Reference (Deposit): MINING ENGINEERING. EXPLORATION. MAY 1983, P. 418.
Reference (Deposit): USBM JMG V. 53, P. 413.
Reference (Deposit): AMERICAN MINES HANDBOOK'S, 1993, 1996, 1997.
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.
