The Little Erma Mine is a mine located in Emery county, Utah at an elevation of 5,459 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.
Mine Info
Elevation: 5,459 Feet (1,664 Meters)
Commodity:
Lat, Long: 38.62611, -110.75750
Map: View on Google Maps
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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.
Little Erma Mine MRDS details
Site Name
Primary: Little Erma Mine
Commodity
Tertiary: Copper
Tertiary: Cobalt
Location
State: Utah
County: Emery
District: San Rafael District
Land Status
Land ownership: BLM Administrative 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.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Donald Hanni, Green River
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Discovery Year: 1955
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Canyon Lands
Mineral Deposit Model
Not available
Orebody
Form: LENTICULAR, SCATTERED PODS
Structure
Type: R
Description: Se Flank Of San Rafael Swell
Alterations
Alteration Type: L
Alteration Text: Slight Bleaching
Rocks
Name: Siltstone
Role: Host
Age Type: Host Rock
Age Young: Late Triassic
Name: Siltstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Uraninite
Ore: Malachite
Ore: Chrysocolla
Gangue: Jarosite
Comments
Comment (Location): SECTION SUBDIVISION: NE1/4, NE1/4, NW 1/4, SEC 24
Comment (Geology): SANDSTONE LENSES ARE THICK TO MASSIVE, LENTICULAR AND CLIFF FORMING
Comment (Reserve-Resource): MINERALIZATION AND LOGS EXPOSED IN WORKINGS
Comment (Commodity): RADIOACTIVE PETRIFIED AND COALY WOOD, DESSIMINATED CARBON TRASH AND URANINITE
Comment (Development): SCATTERED DRILL HOLES IN AREA
Comment (Deposit): MINERALIZATION OCCURS AT BASE OF CHANNEL SANDSTONES INTERMITTENTLY ALONG OUTCROP LENGTH.
Comment (Workings): 7 ADITS ARE PRESENT. TWO INTERCONNECT ADITS WITH 850 FEET OF WORKINGS; THE REMAINDER AVERAGING 50 FT.
Comment (Deposit): Discovery Year: 1950'S
References
Reference (Reserve-Resource): DOELLING, H. H. 1977
Reference (Deposit): HAWLEY, C. C., AND OTHERS, 1968, GEOLOGY, ALTERED ROCKS OF THE SAN RAFAEL SWELL, EMERY COUNTY, UTAH, USGS BULL. 1239
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