Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formTABULAR
Ore controlFracture
Geology
Host rockGranite
Associated rockAndesite
Economic & production
Development statusProducer
First production1935
Last production1941
Discovery year1920
Identification
Deposit ID10088844
MRDS IDM241495
RegionNA
Data scoreB
Coordinates35.38084, -114.50192
References
ADMR-PORTLAND MINE FILE.USBM FILE DATA CLUSTER NO 1439-PORTLAND MINE.USGS IC 6901, 1936, P. 48.USBM-ABGMT FILE DATA.NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES, 1988, DIRECTORY OF ACTIVE MINES IN ARIZONA 1987-88: DIRECTORY, 13 P.SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: UNITED STATES BUREAU OF MINES SPECIAL PUBLICATION, 334 P.CIMRINIEMUTH, 1987.