Jim Bus

The Jim Bus is a chromium mine located in Josephine county, Oregon at an elevation of 961 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: Jim Bus

State:  Oregon

County:  Josephine

Elevation: 961 Feet (293 Meters)

Commodity: Chromium

Lat, Long: 42.34083, -123.77306

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 Jim Bus

Jim Bus MRDS details

Site Name

Primary: Jim Bus
Secondary: Illinois Chrome Mine
Secondary: Robbin


Commodity

Primary: Chromium


Location

State: Oregon
County: Josephine
District: Central Illinois River


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.
Administrative Organization: Siskiyou National Forest


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Year: 1943
Material type: ORE
Description: Ap_Grade: ^47. % Cr2o3


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: Pacific Border Province
Physiographic Section: Klamath Mountains


Mineral Deposit Model

Not available


Orebody

Form: LENS


Structure

Type: L
Description: Shear Zone - N75w, 77sw Dip


Alterations

Alteration Type: L
Alteration Text: Talc Increases Near Dike


Rocks

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


Analytical Data

Analytical Data: 12.56% FE (HAD MORE TALC)
Analytical Data: 42.69% CR2O3
Analytical Data: 13% FE
Analytical Data: 48.87% CR2O3


Materials

Ore: Chromite
Gangue: Talc


Comments

Comment (Production): POSSIBLY MORE PRODUCTION IN 1950'S ATTRIBUTED TO DIFFERENT LESSEES.

Comment (Workings): SURFACE CUTS AND A 30 FOOT ADIT AND 50 FOOT SHAFT. POSSIBLY MORE PRODUCTION IN 1950'S ATTRIBUTED TO DIFFERENT LESSEES.

Comment (Deposit): RECORD NUMBER (M013638) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.


References

Reference (Deposit): THAYER, T. P., 1974, UNPUBL. DATA

Reference (Deposit): RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45P

Reference (Deposit): RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPT. GEOLOGY AND MINERAL IND. BULL. 52, 169 P.


Oregon Gold

Where to Find Gold in Oregon

"Where to Find Gold in Oregon" 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 Oregon. Read more: Where to Find Gold in Oregon.