Oregon Bonanza Mine

The Oregon Bonanza Mine is a gold and silver mine located in Josephine county, Oregon.

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: Oregon Bonanza Mine  

State:  Oregon

County:  Josephine

Elevation:

Commodity: Gold, Silver

Lat, Long: 42.26139, -123.29083

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 Oregon Bonanza Mine

Oregon Bonanza Mine MRDS details

Site Name

Primary: Oregon Bonanza Mine


Commodity

Primary: Gold
Primary: Silver
Tertiary: Lead


Location

State: Oregon
County: Josephine
District: Lower Applegate


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: Wallace Osteyell, San Francisco California


Production

Year: 1939
Time Period: 1937-1939
Material type: ORE
Description: Cp_Grade: ^1.6 Au, 0.5 Ag


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

Type: L
Description: Slickentite


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

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


Analytical Data

Not available


Materials

Ore: Galena
Ore: Pyrite
Gangue: Quartz
Gangue: Calcite
Gangue: Chlorite
Gangue: Epidote


Comments

Comment (Geology): MINERALIZED SHEAR ZONE IN INTENSELY ALTERED AND SILICIFIED METASEDIMENTS. ; GEOL.DESC: DETAILED DESCRIPTION OF MINE CIRCA 1940 IN OMMH

Comment (Deposit): RECORD NUMBERS (M013425) AND (M015200) HAVE BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.

Comment (Commodity): QUARTZ IN TWO PERIODS

Comment (Location): SE 1/4

Comment (Production): ALSO WORKED PRIOR TO 1916

Comment (Workings): 1300 FEET OF WORKINGS WITH A 250 FOOT SHAFTALSO WORKED PRIOR TO 1916


References

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

Reference (Deposit): BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P. 261

Reference (Deposit): OREGON METAL MINES HANDBOOK, 1942, ODGMI BULL. 14-C, VOL. 2, SEC. 1, P. 167

Reference (Production): USBM


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.