Rowe and Swerer Occurrence

The Rowe and Swerer Occurrence is a chromium mine located in Tuolumne county, California at an elevation of 1,650 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: Rowe and Swerer Occurrence

State:  California

County:  Tuolumne

Elevation: 1,650 Feet (503 Meters)

Commodity: Chromium

Lat, Long: 37.965, -120.46583

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 Rowe and Swerer Occurrence

Rowe and Swerer Occurrence MRDS details

Site Name

Primary: Rowe and Swerer Occurrence


Commodity

Primary: Chromium


Location

State: California
County: Tuolumne
District: Jamestown Area


Land Status

Land ownership: Private
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

Owner Name: Joseph Kahl

Owner Name: George Rowe And Alfred Swerer
Years: 1918 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada


Mineral Deposit Model

Not available


Orebody

Form: LENSE


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Serpentinized Host Rock


Rocks

Name: Dunite
Role: Host
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

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

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


Analytical Data

Not available


Materials

Ore: Chromite


Comments

Comment (Location): PREVIOUS QUAD DESIGNATION = SAN JOSE 1:250000

Comment (Development): DEPOSIT MINED OUT

Comment (Geology): THE DEPOSIT OCCURS IN THE NORTHERN PART OF THE EAST ERNMOST OF TWO SERPENTINE BELTS THAT TREND NW ACROSS THE COUNTY. THE BELT IS EXPOSED OVER AN AREA OF 3 KM BY 1.5 KM.


References

Reference (Deposit): CATER, F.W.JR., 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 13, 29


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.