Keystone Prospect

The Keystone Prospect is a silver mine located in Okanogan county, Washington at an elevation of 4,600 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: Keystone Prospect  

State:  Washington

County:  Okanogan

Elevation: 4,600 Feet (1,402 Meters)

Commodity: Silver

Lat, Long: 48.57806, -119.75222

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 Keystone Prospect

Keystone Prospect MRDS details

Site Name

Primary: Keystone Prospect


Commodity

Primary: Silver
Secondary: Lead
Secondary: Gold


Location

State: Washington
County: Okanogan


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Form: VEIN


Structure

Type: R
Description: Nw General Structural Trend In The Metamorphics.


Alterations

Not available


Rocks

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

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

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Paleocene

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Paleocene


Analytical Data

Analytical Data: OLD ASSAY OF ORE ON DUMP GAVE $45 AU, AG/TON.


Materials

Ore: Tetrahedrite
Ore: Galena
Gangue: Quartz


Comments

Comment (Commodity): NO PRODUCTION

Comment (Development): SHAFT


References

Reference (Deposit): WASH. DMG BULL. 37, PART II, P. 305.

Reference (Deposit): WASH. DMG IC 49, P. 27


Washington Gold

Where to Find Gold in Washington

"Where to Find Gold in Washington" 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 Arizona. Read more: Where to Find Gold in Washington.