Bonanza Mine

The Bonanza Mine is a gold and silver mine located in Baker county, Oregon at an elevation of 5,801 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: Bonanza Mine

Commodity

Primary: Gold
Primary: Silver

Location

State: Oregon
County: Baker
District: Greenhorn District

Land Status

Not available

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Mrs. Francis Jackson, Baker Oregon

Owner Name: Tapin Copper Mines Ltd., Vancouver, B. C.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1892
Discovery Year: 1877
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Blue Mountain Section
Physiographic Detail: Greenhorn Range

Mineral Deposit Model

Not available

Orebody

Name: U
Form: TABULAR

Name: U
Form: TABULAR

Name: R
Form: TABULAR

Structure

Type: R
Description: Ne Trending Blue Mountains Uplift

Type: L
Description: Nw Shear Zones

Alterations

Alteration Type: L
Alteration Text: Silicification Of Argillite Near Vein

Rocks

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

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

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

Analytical Data

Not available

Materials

Ore: Gold
Ore: Pyrite
Ore: Chalcopyrite
Gangue: Quartz

Comments

Comment (Production): TOTAL PRODUCTION ESTIMATED AT $1,750,000; MOSTLY GOLD, SOME SILVER. 1899-1904 PRODUCTION TOTALED $904,628.

Comment (Workings): SIZE IS ESTIMATED TOTAL PRODUCTION ESTIMATED AT $1,750,000; MOSTLY GOLD, SOME SILVER. 1899-1904 PRODUCTION TOTALED $904,628.

Comment (Deposit): CONSV. RECORD (M014063) HAS BEEN MERGED WITH THIS ONE, AND DELETED FROM THE OREGON FILE.

References

Reference (Deposit): LINDGREN, W., 1901, THE GOLD BELT OF THE BLUE MOUNTAINS OF OREGON: USGS 22ND. ANNUAL REPORT, P. 701

Reference (Deposit): PARDEE, J. T., AND HEWETT, D. F., 1914, GEOLOGY AND MINERAL RESOURCES OF THE SUMPTER QUADRANGLE: OREGON BUREAU OF MINES AND GEOL., MINERAL RESOURCES OF OREGON, V. 1, NO. 6, P. 119-122

Reference (Deposit): ORE. DEPT. GEOL. AND MIN. IND., 1939, OREGON METAL MINES HANDBOOK; NORTHEASTERN OREGON, EAST HALF: ORE. DEPT. GEOL. AND MIN. IND. BULL. 14-A, P. 52-53

Reference (Deposit): BROOKS, H. C., AND RAMP, L., 1968, GOLD AND SILVER IN OREGON: O.D.G.M.I. BULL. 61, P. 106-107

Reference (Deposit): 5) PERKINS, J.M., 1976, GEOLOGY OF THE GREENHORN QUAD. AND THE NW PORTION OF THE WHITNEY QUAD.

Reference (Deposit): 1901 RECON LINDGREN, W: REF. 1

Reference (Deposit): 1914 RECON ORE. BU. MINES GEOL.: REF. 2

Reference (Deposit): 1939 COMPILE ORE. DEPT. GEOL. MIN. IND.: REF. 3

Reference (Production): BROOKS, H. C., AND RAMP, L., 1968, GOLD AND SILVER IN OREGON

Oregon Gold

"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.