The Little Abner Pegmatite is a beryllium, ree, and feldspar mine located in Jefferson county, Colorado at an elevation of 7,651 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: 7,651 Feet (2,332 Meters)
Commodity: Beryllium, REE, Feldspar
Lat, Long: 39.76583, -105.34861
Map: View on Google Maps
Satelite View
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Little Abner Pegmatite MRDS details
Site Name
Primary: Little Abner Pegmatite
Commodity
Primary: Beryllium
Primary: REE
Primary: Feldspar
Location
State: Colorado
County: Jefferson
District: Clear Creek Pegmatite Province
Land Status
Land ownership: Private
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Front Range Uplift, Denver Basin
Type: L
Description: Junction Ranch Fault System, Unnamed Anticline, Unnamed Overturned Anticline
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Beryl
Ore: Microcline
Gangue: Monazite
Gangue: Garnet
Comments
Comment (Location): ABOVE UNNAMED TRIBUTARY OF ELK CREEK 2.3 MILES NW OF CONFLUENCE WITH CLEAR CREEK ; INFO FROM LAND.ST :(1975)
Comment (Production): PRESUMED ANNUAL PRODUCTION, YEARS UNKNOWN
Comment (Deposit): DUPLICATE D001819 DELETED ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Production): ORIGINAL CRIB RECORD (SEE USBM REFERENCE)
Reference (Deposit): SHERIDAN, D.M., AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT, JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520 (INCL. GEOLOGIC MAP OF RALSTON BUTTES QUAD)
Reference (Deposit): PARKER, R.L., 1963, NIOBIUM AND TANTALUM IN THE UNITED STATES: USGS MAP MR-36
Reference (Deposit): MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 28.
Reference (Deposit): USBM MIN. EXAM. FILE, REPT. 6/1/59 (FROM ORIGINAL CRIB RECORD)
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
