Utah · Emery County
Past Producer

Little Erma Mine

Emery County, Utah, United States
CopperCobalt
⌖ Show on mapUSGS source ↗
Commodities
TertiaryCopper, Cobalt
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeM
WorkingsUnderground
Orebody formLENTICULAR, SCATTERED PODS
Ore controlOrganic Material, Logs, Clay Partings
Materials
Ore mineralsChrysocolla, Malachite, Uraninite
GangueJarosite
Geology
Host rockSiltstone,Sandstone,Conglomerate · Chinle Formation-Moss Back Member
StructureSe Flank Of San Rafael Swell
Tectonic settingStable Platform
AlterationSlight Bleaching
Economic & production
Development statusPast Producer
Discovery year1955
Identification
Deposit ID10072994
MRDS IDW018755
RegionNA
Data scoreB
Coordinates38.62609, -110.75824
References
HAWLEY, C. C., AND OTHERS, 1968, GEOLOGY, ALTERED ROCKS OF THE SAN RAFAEL SWELL, EMERY COUNTY, UTAH, USGS BULL. 1239DOELLING, H. H. 1977