The Monarch Sugar Loaf is a gold mine located in El Dorado county, California.
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.
Monarch Sugar Loaf MRDS details
Site Name
Primary: Monarch Sugar Loaf
Commodity
Primary: Gold
Location
State: California
County: El Dorado
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: George Ross
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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
Not available
Comments
Comment (Production): ORIGINALLY WORKED IN 1850'S. ACTIVE 1870-1907. DURING 1930'S SOME PROSPECTING DONE. IN 1953-54 SOME OF WORKINGS WERE REHABILITATED. EARLY IN 1955 PRESENT LESSEE LEASED THE MINE AND HAS BEEN MINING SOME HIGH GRADE ORE FROM SMALL POCKETS IN THE VEIN. MUCH OF RECENT OUTPUT HAS BEEN SPECIMEN MATERIAL.
Comment (Deposit): NEAR THE SURFACE THE GOLD IS CHIEFLY IN SMALL BUT RICH ORE SHOOTS WITH LITTLE OR NO SULFIDES. SULFIDES INCREASED AT DEPTH. CHALCOPYRITE AND SPHALERITE MOST COMMON; PYRITE AND GALENA PRESENT IN SMALLER AMOUNTS. CLAIM CONTAINS 18.42 ACRES.
Comment (Workings): OPEN CUTS AND SHALLOW SHAFTS FOR ABOUT 2,000 FT. ALONG THE STRIKE. PRESENT WORK IN 70-FT. CROSSCUT ADIT AND SEVERAL NEARBY OPEN CUTS IN CENTRAL PORTION OF DEPOSIT.
References
Reference (Deposit): CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, PP. 419-20, 518, AND PL. 10; V. 34, NO. 3, PL. II
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.
