The Monumental Consolidated Quartz Mine is a gold mine located in Del Norte county, California at an elevation of 2,999 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: 2,999 Feet (914 Meters)
Commodity: Gold
Lat, Long: 41.99167, -123.79361
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.
Monumental Consolidated Quartz Mine MRDS details
Site Name
Primary: Monumental Consolidated Quartz Mine
Commodity
Primary: Gold
Tertiary: Copper
Tertiary: Iron
Tertiary: Arsenic
Tertiary: Lead
Location
State: California
County: Del Norte
District: Monumental
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
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1901
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Fault
Alterations
Alteration Type: L
Alteration Text: Ore Is Soft And Leached Near Surface, But Passes Into Hard, Arsenopyrite Ore At Depth
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Deposit): 165 ACRES. PATENTED. 8 CLAIMS ; INFO.SRC : 1 PUB LIT
Comment (Geology): VEINS ASSOCIATED WITH E-W CONTACTS OF GALICE (?) SLATE AND GREENSTONE
Comment (Workings): 2-COMPARTMENT SHAFT, 240 FT. DEEP; INCLINE TO 100 FT. LEVEL; THREE QUARTERS OF A MILE OF DRIFTS ON 100 FT LEVEL; RAISE TO SURFACE; WINZE FROM 100 FT. LEVEL; 6 PROSPECT DRIFTS, 30-40 FT. LONG MILLSITE.
Comment (Location): UTM EST. NW 1/4 NW 1/4.
Comment (Production): ORE IS SAID TO AVG. $40/TON, WITH HIGH-GRADE ORE VARYING FROM $100-120/TON. NO OTHER PRODUCTION RECORD FOUND.
Comment (Development): ECON.COM: SHIPPING AND SMELTING COSTS OF ORE WERE ABOUT $17/TON. ORE WAS UNPROFITABLE TO SHIP BEFORE CONCENTRATING
Comment (Deposit): VEIN, 4 FT. THICK. ORE CAME FROM STOPE ABOVE 100 FT. LEVEL, ABOUT 40 FT. EAST OF SHAFT. TWO VARITIES OF ORE; A HARD ROCK AND A SOFTER ORE OF LOW-GRADE, ARE FOUND.
References
Reference (Deposit): OBRIEN, J.C., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIF.: CALIF. JOUR. MINES AND GEOLOGY, V. 48, NO. 4, P. 278
Reference (Deposit): LAIZURE, C. MCK., 1925, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIF: CALIF. JOUR. MINES AND GEOLOGY, V. 21, NO. 3, P. 290-291
Reference (Deposit): LOWELL, F.L., 1913, DEL NORTE COUNTY, CALIF: CALIF. JOUR. MINES AND GEOLOGY, V. 14, P. 389-390
Reference (Deposit): MAXSON, J.H., 1933, ECONOMIC GEOLOGY OF DEL NORTE AND SISKIYOU COUNTIES, NORTHWESTERNMOST CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 29, P. 143-144
Reference (Production): OBRIEN (1952) MAXSON (1933) GOODWIN (1957)
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.
