Round Mountain

The Round Mountain is a mercury mine located in Crook 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: Round Mountain

State:  Oregon

County:  Crook

Elevation:

Commodity: Mercury

Lat, Long: 44.39167, -120.32694

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 Round Mountain

Round Mountain MRDS details

Site Name

Primary: Round Mountain


Commodity

Primary: Mercury


Location

State: Oregon
County: Crook
District: Johnson Creek


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: Ochoco National Forest


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Owner Name: Frank Reid, Dick Toole, Keith Parkinson, George Ra


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1933
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Walla Walla Plateau


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Clay Alteration


Rocks

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


Analytical Data

Not available


Materials

Ore: Cinnabar
Gangue: Calcite


Comments

Comment (Deposit): Discovery Year: 1933-1934

Comment (Location): NE/4 NE/4 SEC 4

Comment (Workings): MANY WORKINGS CAVED

Comment (Geology): GEOL.DESC: LITTLE CINNABAR SEEN IN PLACE, BUT SOME COULD BE PANNED FROM FLOAT


References

Reference (Deposit): BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.

Reference (Deposit): MERCURY IN OREGON, 1965, USBM IC 8252

Reference (Deposit): FREDERICK, F., 1945, STATE OF OREGON MAP SHOWING LOCATION OF QUICKSILVER DEPOSITS: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, SCALE 1:1,000,000

Reference (Production): BROOKS


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.