Western World

The Western World is a copper, silver, gold, and zinc mine located in Yuba 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.

Site Name

Primary: Western World
Secondary: Dempsey Ranch Prospect Late 1800's

Commodity

Primary: Copper
Primary: Silver
Primary: Gold
Primary: Zinc

Location

State: California
County: Yuba

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Stratabound Exhalative
Operation Type: Unknown
Discovery Year: 1973
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: Y
Deposit Size: M

Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough

Mineral Deposit Model

Model Name: Massive sulfide, kuroko

Orebody

Form: LENSE

Structure

Type: R
Description: Isoclinally Folded And Faulted Metamorphic Belt Whose Bedding, Foliations And Major Structural Features Generally Trend Northwest And Dip Steeply To The East.

Alterations

Alteration Type: L
Alteration Text: Chloritic

Rocks

Name: Metavolcanic Rock
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic

Name: Metavolcanic Rock
Role: Host
Age Type: Host Rock Unit
Age Young: Late Jurassic

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Chalcopyrite
Ore: Tetrahedrite
Ore: Pyrite

Comments

Not available

References

Reference (Deposit): TAYLOR, GARY C ., 1990, MINERAL LAND CLASSIFICATION OF THE WESTERN WORLD MINING COMPANY COPPER-ZINC DEPOSITS NEAR SMARTVILLE, YUBA COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY OPEN FILE REPORT 90-1, 22 P.

Reference (Deposit): AMERICAN MINES HANDBOOK, 1994

Reference (Production): TAYLOR, 1990

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.