Ora Marmo

The Ora Marmo is a gold, zinc, and copper mine located in Malheur 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: Ora Marmo  

State:  Oregon

County:  Malheur

Elevation:

Commodity: Gold, Zinc, Copper

Lat, Long: 44.4175, -117.56778

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 Ora Marmo

Ora Marmo MRDS details

Site Name

Primary: Ora Marmo


Commodity

Primary: Gold
Primary: Zinc
Primary: Copper


Location

State: Oregon
County: Malheur
District: Mormon Basin


Land Status

Land ownership: BLM Administrative Area
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.


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette 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: Chalcopyrite
Ore: Sphalerite
Ore: Pyrite
Gangue: Quartz


Comments

Comment (Workings): 50 TON BULL MILL


References

Reference (Deposit): OREGON METAL MINES HANDBOOK, 1939, BULL. 14-A, P. 80


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.