Venecia Mine

The Venecia Mine is a gold mine located in Trinity county, California at an elevation of 3,051 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

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.

Site Name

Primary: Venecia Mine

Commodity

Primary: Gold
Secondary: Lead
Secondary: Arsenic

Location

State: California
County: Trinity
District: Lewiston

Land Status

Not available

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: M

Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains

Mineral Deposit Model

Not available

Orebody

Form: LENTICULAR LENSES

Structure

Not available

Alterations

Not available

Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Devonian

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Devonian

Analytical Data

Analytical Data: ASSAYED $100-$600/TON IN GOLD FROM 1 FT. THICKNESS OF VEIN. SAMPLES TAKEN AT INTERVALS IN NO. 3 LEVEL ASSAYED $10-$20/TON IN GOLD.

Materials

Ore: Gold
Ore: Galena
Gangue: Quartz

Comments

Comment (Workings): NEWER DEVELOPMENT INCLUDES EXPLORATION BY 3 DIFFERENT LEASES. THE MOORE AND MOORE LEASE EXTENDS FROM OLD NO. 5 VENECIA LEVEL UP TO SURFACE. 90 FT OF CROSSCUTTING TO SMALL VEIN AND 115 FT. OF DRIFTS. 10 FT. STOPE. CLAYTON LEASE EXTENDS FROM VENECIA NO. 5 LEVEL DOWNWARD. NEW ADIT WAS BEING DRIVEN N30E FROM 140 FT. POINT TO FOLLOW SMALL VEIN EXPOSED BY MOORE & MOORE. THIRD LEASE OF GRUBB AND CHISMAN SEVERAL HUNDRED FT. HIGHER THAN OTHER TWO. NEW LEVEL DRIVEN ON FRACTURE IN META-ANDESITE. FOR 150 FT., RAISE 60 FT. HIGH ON DIP OF FRACTURE CONNECTS WITH 50 FT. ADIT ABOVE. PLANS CALLED FOR DRIVING ADIT 50 FT. TO EAST TO EXPLORE GRANITIC DIKE. EARLIER DETAILED DESCRIPTIONS IN TUCKER (1922).

Comment (Geology): META-ANDESITE OR GREENSTONE BELONGS TO COPLEY FM. FRACTURE IN FM. ON WHICH NEW ADIT WAS BEING DRIVEN, STRIKES N30E, DIPS 58 SE. 50 FT. THICK DIKE OF GRANITIC ROCK CUTS BRAGDON SLATE 50 FT. EAST OF GRUBB AND CHISMAN WORKINGS.

Comment (Deposit): ONE PATENTED CLAIM AND ADDITIONAL UNPATENTED CLAIMS INCLUDE VENICIA, HOPEFUL, BLAKEMORE, PROVIDENCE, RATTLER, DEERHORN, VENICIA AND 4 OTHER LOCATIONS. ; INFO.SRC : 1 PUB LIT

Comment (Deposit): VEINS, FEW INCHES-5 FT. THICK. ORE WAS MOSTLY BASE, CONTAINING QUARTZ, GOUGE AND SULFIDES. SMALL FAULT VEIN EXPOSED IN NO. 5 LEVEL. VENICIA VEIN, 2-3 FT. THICK, AND CARRIES HIGH VALUES IN GOLD. AVG. THICKNESS OF GRADE ORE 1 FT.

Comment (Production): A NUMBER OF SHIPMENTS OF $400 AU ORE, AVERAGING 2-3 TONS EACH, HAVE BEEN MADE TO SMELTERS A FEW YEARS PREVIOUS TO 1941. SOME OF ORE WAS RICH ENOUGH SO THAT EXTRATION OF GOLD IN HAND MORTOR WAS FEASIBLE. A FEW TONS OF HIGH-GRADE ORE WERE PRODUCED FROM UPPER LEVEL OF GRUBB AND CHISMAN WORKINGS. A LITTLE GOOD ORE TAKEN FROM BUNCHES, AN INCH TO FEW INCHES WIDE. NO OTHER PRODUCTION RECORDS FOUND.

Comment (Commodity): MUCH OF GOLD OCCURED IN FREE STATE

References

Reference (Deposit): AVERILL, C.V., 1941, MINERAL RESOURCES OF TRINITY COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37, NO. 1, P. 64-65.

Reference (Deposit): AVERILL, C.V., 19338 GOLD DEPOSITS OF THE REDDING AND WEAVERVILLE QUADRANGLES: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 29, P. 56.

Reference (Deposit): BROWN, G.C., 1913, THE COUNTIES OF SHASTA, SISKIYOU AND TRINITY: CALIF. JOUR. MINES AND GEOLOGY, V. 14, P. 900.

Reference (Deposit): TUCKER, W.B., 1922, TRINITY COUNTY: CALIF. JOUR. MINES AND GEOLOGY, V. 18, P. 497-498.

Reference (Production): AVERILL (1941) BROWN (1913)

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.