The Lone Pine Feldspar Quarry is a feldspar mine located in Douglas county, Colorado at an elevation of 8,638 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: 8,638 Feet (2,633 Meters)
Commodity: Feldspar
Lat, Long: 39.15694, -105.05722
Map: View on Google Maps
Satelite View
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.
Lone Pine Feldspar Quarry MRDS details
Site Name
Primary: Lone Pine Feldspar Quarry
Secondary: Claim: Lone Pine
Secondary: Ms 20867
Commodity
Primary: Feldspar
Tertiary: REE
Tertiary: Niobium (Columbium)
Tertiary: Thorium
Location
State: Colorado
County: Douglas
District: Devils Head Pegmatite District
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
Type: Surface
Ownership
Owner Name: Ralph H. Magnuson
Home Office: Denver, Co.
Years: 1937 -
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: IRREGULAR
Structure
Type: R
Description: Front Range Uplift, Pikes Peak Batholith, Rampart Range Uplift
Type: L
Description: Perry Park-Jarre Canyon Fault, Manitou Park Half Graben
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Microcline
Gangue: Xenotime
Gangue: Thorite
Gangue: Parisite
Gangue: Pyrochlore
Comments
Comment (Location): ALONG UNNAMED TRIBUTARY OF MISSOURI GULCH 5.5 MILES SSE OF DAKAN MTN AND 7.5 MILES SE OF DEVILS HEAD. ; INFO FROM LAND.ST :(1974)
Comment (Deposit): IRREGULAR PEGMATITE
Comment (Workings): OPEN CUT WITH 40-FT-HIGH FACE ON 10-TO 15-FT BENCHES
References
Reference (Production): COLO. DIV. MINES ANN. OPERATOR REPT.
Reference (Deposit): MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 24-25.
Reference (Deposit): BRYANT, BRUCE, AND OTHERS, 1981, GEOLOGIC MAP OF THE DENVER 1X2 QUADRANGLE, NORTH-CENTRAL COLORADO: USGS MAP I-1163.
Reference (Deposit): HEINRICH, E.W., 1957, PEGMATITE PROVINCES OF COLORADO: COLORADO SCHOOL MINES QUART., V. 52, NO. 4, P. 1-22.
Reference (Deposit): TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP I-857-F.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
