The Manganese Occurrence is a manganese mine located in Grant 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
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.
Manganese Occurrence MRDS details
Site Name
Primary: Manganese Occurrence
Commodity
Primary: Manganese
Location
State: Oregon
County: Grant
District: Middle Fork (?)
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Podiform
Operation Type: 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
Mineral Deposit Model
Not available
Orebody
Form: NODULES
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Clay Alteration
Rocks
Not available
Analytical Data
Analytical Data: 31 % MN AND 7 % BAO
Materials
Ore: Psilomelane
Comments
Comment (Deposit): DISSEMINATED NODULES AND PARTICLES AT SURFACE
Comment (Geology): BROWN AND RED VOLCANIC TUFFS OF L JOHN DAY FM. ; GEOL.DESC: NODULES ARE IMPURE PSILOMELANE WITH INCLUDED TUFF
References
Reference (Deposit): LIBBEY, F. W., AND WAGNER, N. S., 1951 , ORIGIN OF MANGANESE NODULES FOUND NEAR HAMILTON, GRANT COUNTY, OREGON: ODGMI, ORE BIN, NOV., VOL. 13 , NO. 11 , P. 71
Oregon Gold
"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.
