Thomason and Schwayder

The Thomason and Schwayder is a molybdenum, silver, gold, and copper mine located in Baker 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: Thomason and Schwayder  

State:  Oregon

County:  Baker

Elevation:

Primary Mineral: Molybdenum, Silver, Gold, Copper

Lat, Long: 44.37361, -118.22639

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 Thomason and Schwayder

Thomason and Schwayder MRDS details

Site Name

Primary: Thomason and Schwayder
Secondary: Lucky Boy
Secondary: Showdown


Commodity

Primary: Molybdenum
Primary: Silver
Primary: Gold
Primary: Copper


Location

State: Oregon
County: Baker
District: Unity


Land Status

Administrative Organization: Wallowa-Whitman National Forest


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Art Cheatum


Production

Year: 1947
Material type: ORE
Description: Ap_Grade: ^.35 Oz Au


Deposit

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


Physiography

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


Mineral Deposit Model

Model Name: Low-sulfide Au-quartz vein


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Molybdenite
Ore: Chrysocolla
Gangue: Serpentine
Gangue: Chlorite
Gangue: Limonite


Comments

Comment (Production): PRODUCTION FIGURES FOR 1977-1979 NOT AVAILABLE.

Comment (Deposit): LOCALLY SMALL, FINE GRAINED GRANODIORITE DIKES CUT ACROSS THE SHEAR ZONE. FREE GOLD OCCURS BOTH IN THE DIKES AND IN THE SHEARED COUNTRY ROCK. QUARTZ IS RARE. ; INFO.SRC : 2 UNPUB REPT


References

Reference (Deposit): WAGNER, N.S. 1948, LUCKY BOY MINE; ODGMI FILE REPORT

Reference (Deposit): BROOKS, H.C. AND OTHERS, 1979 GEOLOGIC MAP OF THE RASTUS MOUNTAIN QUADRANGLE; ODGMI OPEN FILE REPORT 0-79-7

Reference (Deposit): ODGMI RECON 1948 FILE REPOR

Reference (Production): ODGMI FILE REPORT


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 at Where to Find Gold in Oregon.