Sourdough Flat

The Sourdough Flat is a nickel mine located in Curry 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: Sourdough Flat

State:  Oregon

County:  Curry

Elevation:

Commodity: Nickel

Lat, Long: 42.2725, -123.84333

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 Sourdough Flat

Sourdough Flat MRDS details

Site Name

Primary: Sourdough Flat


Commodity

Primary: Nickel
Secondary: Chromium
Secondary: Cobalt


Location

State: Oregon
County: Curry


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

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
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: LARGE LANDSLIDE BLOCK


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: 1.25 % CR
Analytical Data: 0.07 % CO
Analytical Data: SOIL AND SAPROLITE AVERAGE ABOUT 1.00 % NI


Materials

Ore: Soil


Comments

Comment (Deposit): AMT. UNWEATHERED ROCK IN SOIL IS ESTIMATED TO BE FROM 30 TO 80 %.

Comment (Workings): SMALL PITS AND TRENCHES

Comment (Geology): LANDSLIDE MADE UP OF VERY COARSE-GRAINED DUNITE, HARZBURGITE, SERPENTINITE, OCCASSIONAL DIKE ROCK FRAGMENTS AND RED TO YELLOW-BROWN LATERITIC SOIL.

Comment (Other Database): RECORD NUMBER MP00071 IS A POTENTIAL DUPLICATE OF THIS RECORD


References

Reference (Deposit): RAMP, LEN, 1978 , INVESTIGATIONS OF NICKEL IN OREGON: ODGMI MISC. PAPER NO. 20 , P. 55 .

Reference (Deposit): RAMP, L. AND OTHERS, 1977, GEOLOGY, MINERAL RESOURCES AND ROCK MATERIAL OF CURRY COUNTY, OREGON; ODGMI BULL. 93, P.50

Reference (Deposit): 1974 RECON RAMP, ODGMI HAD NOT PREVIOUSLY RECOGNIZED AS A NICKEL PROSPECT


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.