Black Cloud Group

The Black Cloud Group is a gold mine located in Trinity county, California at an elevation of 2,598 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: Black Cloud Group

State:  California

County:  Trinity

Elevation: 2,598 Feet (792 Meters)

Commodity: Gold

Lat, Long: 40.76306, -122.92111

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 Black Cloud Group

Black Cloud Group MRDS details

Site Name

Primary: Black Cloud Group


Commodity

Primary: Gold


Location

State: California
County: Trinity


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

Not available


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: Pacific Border Province
Physiographic Section: Klamath Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Highly-Weathered And Decomposed Zone Near Surface


Rocks

Not available


Analytical Data

Analytical Data: ASSAYED $4-$6/TON IN GOLD, BASED ON 3 SURFACE SAMPLES TAKEN BY E.N. TODD, WHO OPTIONED THE CLAIMS, AND A RUN OF 40 TONS TREATED IN SMALL MILL SOME YEARS AGO.


Materials

Ore: Gold
Gangue: Quartz


Comments

Comment (Deposit): 9 UNPATENTED LODE CLAIMS ; INFO.SRC : 1 PUB LIT

Comment (Location): UTM EST. BORDER OF SECTIONS

Comment (Deposit): VEIN(S)

Comment (Workings): SUPERFICIAL SURFACE CUTS DID NOT PENETRATE OXIDIZED ZONE

Comment (Geology): GEOLOGY DESCRIBED AS META SEDIMENTARY SERIES WITH POSSIBLE INTERBEDDED LAVA, INTRUDED BY FINE-GRAINED PORPHYRITIC DIKES OF MORE THAN ONE KIND-SOME LIGHT IN COLOR, OTHERS DARK. MICA SCHIST MOST PREDOMINANT OF METAMORPHICS SERIES, BUT STRATA FEW INCHES THICK OF SLATY MATERIAL AND SILICEOUS MATERIAL OCCUR ALSO.


References

Reference (Deposit): AVERILL, C.V., 1941, MINERAL RESOURCES OF TRINITY COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37, NO. 1, P. 26-27


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.