Roy Mining Property

The Roy Mining Property is a silver and gold mine located in Jefferson county, Oregon at an elevation of 2,799 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: Roy Mining Property

State:  Oregon

County:  Jefferson

Elevation: 2,799 Feet (853 Meters)

Commodity: Silver, Gold

Lat, Long: 44.75, -120.73889

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 Roy Mining Property

Roy Mining Property MRDS details

Site Name

Primary: Roy Mining Property
Secondary: Ruby


Commodity

Primary: Silver
Primary: Gold


Location

State: Oregon
County: Jefferson
District: Horse Heaven Mining District


Land Status

Not available


Holdings

Not available


Workings

Type: Unknown


Ownership

Owner Name: Roy Mining Co.

Owner Name: Hominex Silver Mines


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1900
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Walla Walla Plateau
Physiographic Detail: Ochoco Mountains


Mineral Deposit Model

Not available


Orebody

Form: INDEFINITE


Structure

Type: R
Description: Strong Shear Zones Striking N 65 Deg W


Alterations

Not available


Rocks

Name: Andesite
Role: Host
Age Type: Host Rock
Age Young: Eocene

Name: Andesite
Role: Host
Age Type: Host Rock Unit
Age Young: Eocene


Analytical Data

Analytical Data: SHAFT SAMPLE ASSAYED 0.16 OZ AU AND 6.55 OZ AG/TON


Materials

Ore: Pyrite
Gangue: Quartz


Comments

Comment (Geology): GRAY MEDIUM-GRAINED ANDESITE; FINE-GRAINED TO PORPHYRITIC ANDESITE.

Comment (Commodity): OPENINGS IN SHEAR ZONES ARE LINED WITH QUARTZ CRYSTALS, SOME ARE STAINED BLACK


References

Reference (Deposit): LIBBY, F.W. AND CORCORAN, R.E., 1962, THE OREGON KING MINE, JEFFERSON COUNTY, OREGON: OREGON DEPT. GEOL. AND MIN. IND. SHORT PAPER 23, 49P.

Reference (Deposit): PECK, D.L., 1964, GEOLOGIC RECONNAISANCE OF THE ANTELOPE - ASHWOOD AREA


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.