The Portland Mine is a gold mine located in Mohave county, Arizona at an elevation of 2,041 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.
Elevation: 2,041 Feet (622 Meters)
Lat, Long: 35.3808, -114.51250
Map: View on Google Maps
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.
Portland Mine MRDS details
Primary: Portland Mine
District: Black Mountain District
Land ownership: National Recreation 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.
Owner Name: Western States Minerals Corp.
Company ID: 202145
Info Year: 1988
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Mining Method: Unknown
Discovery Year: 1920
Discovery Method: Ore-Mineral In Place
Years of Production:
Deposit Size: S
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Comment (Deposit): PROPERTY ALSO UNDER USGS MRDS ID NO. M241460. INITIAL PRODUCTION WAS SOMETIME IN THE PERIOD 1931-1941. ALTERATION ZONES WERE DRILLED IN 1984-86 TO EXPAND RESERVE BASE.
Comment (Geology): STRIKE IS UNDETERMINED. DIP IS 35 DEGREES EAST.
Reference (Reserve-Resource): NIEMUTH, N.J. ARIZONA MINERAL DEVELOPMENT 1984-1986. AZ
Reference (Reserve-Resource): DEP. MINES AND MINER. RESOUR., REP. D-29(87), 1987, 46 PP.
Reference (Deposit): ADMR PORTLAND MINE FILE
Reference (Deposit): GARDNER E D GOLD MINING AND MILLING IN THE BLACK MTS
Reference (Deposit): USGS IC 6901 1936 P 48
Reference (Deposit): BLM ARIZONA MINING CLAIMS NO 28157
Reference (Deposit): ALSO IN SEC 14
"Where to Find Gold in Arizona" 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 at Where to Find Gold in Arizona.