The Pioneer-Lilyama Mine is a copper mine located in El Dorado county, California at an elevation of 961 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: 961 Feet (293 Meters)
Commodity: Copper
Lat, Long: 38.8353, -120.96500
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.
Pioneer-Lilyama Mine MRDS details
Site Name
Primary: Pioneer-Lilyama Mine
Secondary: Lilyama Copper and Gold Mine.
Secondary: Little Emma.
Secondary: Volo.
Secondary: Lilyama
Commodity
Primary: Copper
Secondary: Gold
Secondary: Silver
Location
State: California
County: El Dorado
District: Mother Lode Belt
Land Status
Land ownership: Private
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: Morning Star Mining Corp.
Home Office: California
Info Year: 1977
Owner Name: Lilyama Copper-Gold Mining Co.
Home Office: California
Info Year: 1978
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Mining Method: Unknown
Year First Production: 1944
Discovery Year: 1870
Years of Production:
Organization:
Significant: N
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: Bornite
Unknown: Silver
Unknown: Pyrite
Unknown: Magnetite
Unknown: Hornblende
Unknown: Hematite
Unknown: Hedenbergite
Unknown: Gold
Unknown: Garnet
Unknown: Epidote
Unknown: Chalcopyrite
Unknown: Calcite
Unknown: Quartz
Comments
Not available
References
Reference (Deposit): AUBURY,L.E.,1902,THE CU RESOURCES OF CAL.,CAL. MIN.BUR.,BULL
Reference (Deposit): 23, P 174-182.
Reference (Deposit): AUBURY,L.E.,1908,THE CU RES. OF CA.,CA. MIN. BUR. BULL. 50,
Reference (Deposit): P.210-220.
Reference (Deposit): AVERRILL, C.N., 1943,CURRENT NOTES ON THE ACTIVITY IN
Reference (Deposit): STRATEGIC MINERALS, SACTO. FIELD DIST: CA.DIV. MINES REPT.
Reference (Deposit): NO.37,P.71-76.
Reference (Deposit): COX,M.W., WYANT,W.C.,AND HEYL, G.R.,1948, GEOL. OF THE
Reference (Deposit): LILYAMA AND PIONEER MINES, EL DORADO CO., CA. CA DIV.OF
Reference (Deposit): MINES BULL. 144, P.43-47.
Reference (Deposit): BENSON,W.T., 1948, PRELIM. REPT. ON THE LILYAMA CU/AU MIN.
Reference (Deposit): CO., EL DORADO CO.,CA.,P7.
Reference (Deposit): ERIC,J.E., 1948, TABULATION OF CU DEPTS OF CA.,CA.DIV.OF
Reference (Deposit): LOGAN, C. A., 1938, MINERAL RES. OF EL DORADO CO.; CA. DIV.
Reference (Deposit): OF MINES REPT. 34, P. 206-280, 363-365.
Reference (Deposit): MURDOCH, J., AND WEBB, R. W., 1948, MIN. OF CA.: CA. DIV. OF
Reference (Deposit): MINES BULL. 136, 402 P.
Reference (Deposit): THE COUNTIES OF EL DORADO, PLACER, SACTO., YUBA: CA. MIN.
Reference (Deposit): BUR. REPORT 15, P. 271-308.
Reference (Deposit): TURNER, M. D., 1951, EL DORADO: CA. DIV. MINES REPT. 47,
Reference (Deposit): P. 319-321.
Reference (Deposit): LOGAN, C. A., 1926, EL DORADO CO., CAL. MIN. BUR. REPT. 22,
Reference (Deposit): P. 397-452.
Reference (Deposit): CLARK, W. B., AND DENTON, W. C., 1956, MINES AND MIN. RES.
Reference (Deposit): OF EL DORADO CO., CA.: CA. JOUR. MINES AND GEOL. P. 370-400.
Reference (Deposit): WAR MINERAL EXAM., 1948, 2 P..
Reference (Deposit): CALIFORNIA REGIONAL WATER QUALITY CONTROL BORAD, CENTRAL
Reference (Deposit): VALLEY, CALIFORNIA, STAFF REPORT, JULY 1992, P65.
Reference (Deposit): VALLEY REGION, INACTIVE MINE DRINAGE IN THE SACRAMENTO
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.
