The Monarch - Sugar Loaf is a gold mine located in El Dorado county, California at an elevation of 1,601 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: 1,601 Feet (488 Meters)
Commodity: Gold
Lat, Long: 38.60361, -120.86528
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.
Monarch - Sugar Loaf MRDS details
Site Name
Primary: Monarch - Sugar Loaf
Commodity
Primary: Gold
Tertiary: Zinc
Tertiary: Lead
Tertiary: Copper
Location
State: California
County: El Dorado
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
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
Name: Andesite
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Analytical Data: SULFIDE CONCENTRATION INCREASES WITH DEPTH
Materials
Ore: Chalcopyrite
Ore: Galena
Ore: Gold
Ore: Sphalerite
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Geology): VEIN IN FINE GRAINED ANDESITE OF LOGTOWN RIDGE FMN OF UPPER JURASSIC AGE
Comment (Workings): DEVELOPED BY OPEN CUTS, AND SHALLOW SHAFTS FOR APPROX 2000 FT ALONG STRIKE. 70 FT CROSSCUT ADIT MOST RECENT DEVELOPMENT
Comment (Production): NO PRODUCTION RECORD FOUND, ORIGINALLY WORKED IN 1850'S, 1870 - 1907 PROSPECTED 1930'S, 1953 - 54
Comment (Deposit): VEIN, STRIKE N TO NW, FLAT DIP
Comment (Location): UTM ACC SE 1/4 NW 1/4 NE 1/4 SW 1/4
Comment (Commodity): SOME HIGH GRADE ORE FORM POCKETS IN 1955 , NEAR SURFACE
References
Reference (Deposit): CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG 419 - 420 , 518 AND PL 10
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.
