Mine detail: Little Erma Mine

Previously called ''

<< Back to the map

Location

Lat / long:

38.62609, -110.75824

Resource(M)

Tertiary:	Copper, Cobalt
Ore:	Chrysocolla, Malachite, Uraninite
Gangue:	Jarosite
Orebody form:	LENTICULAR, SCATTERED PODS
Discovery year:	1955

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Medium
Development status:	Past Producer

Geology

Host rock:	Chinle Formation-Moss Back Member
Host type:	Siltstone,Sandstone,Conglomerate
Structure:	Se Flank Of San Rafael Swell
Tectonic:	Stable Platform
Alteration processes:	Slight Bleaching

References

MRDS	W018755
DEP	10072994
Reference	{Deposit:: HAWLEY, C. C., AND OTHERS, 1968, GEOLOGY, ALTERED ROCKS OF THE SAN RAFAEL SWELL, EMERY COUNTY, UTAH, USGS BULL. 123}{Reserve-Resource:: DOELLING, H. H. 1977}
Reporter	Doelling, Hellmut H.