Monumental Consolidated Quartz Mine

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

Name: Monumental Consolidated Quartz Mine  

State:  California

County:  Del Norte

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.


Satelite image of the Monumental Consolidated Quartz Mine

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

"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.