Commodities
PrimaryIron
TertiaryPhosphorus-Phosphates
Commodity typeB
Deposit
Model158: Volcanic-hosted magnetite
Deposit sizeS
Orebody formIRREGULAR
Ore controlOre Localized At Intersections Of Nw & Ne Trending Faults
Materials
Ore mineralsMagnetite, Martite
GangueApatite, Calcite, Quartz
Geology
Host rockRhyolite,Rhyodacite · Frenchie Creek Rhyolite And Rhyodacite;Frenchie Creek Rhyolite And Rhyodacite
StructureDeposit On East Limb Of North Trending Anticline. Dips 60-80e
AlterationVolcanics Devitrified, Argillized, With Sericite, And Secondary Kspar
Economic & production
Development statusPast Producer
First production1951
Discovery year1903
Identification
Deposit ID10044727
MRDS IDM232302
Alternate namesMordarelli, Amarilla Mine, Simplot Mine
RegionNA
Data scoreB
Coordinates40.3663, -116.26314
References
ROBERTS, R. J., ET AL (1967) GEOLOGY AND MINERAL RESOURCES OF EUREKA CO., NEV. BUR. OF MINES BULL. 64USBM (WINNEMUCCA) MILS NO. 89, REFERENCE NO. 3201100028SOUTHERN PACIFIC CO. (1964) MINERALS FOR INDUSTRY, P. 92MUFFLER, L. J. (1964) GEOLOGY OF THE FRENCHIE CREEK QUADRANGLE, USGS BULL. 1179SHAWE, F. R., REEVES, R. G., KRAL, V. E. (1962) IRON ORE DEPOSITS OF NEVADA, PART C., N B OF M BULL 53SHAWE, F. R. ET AL, (1962)