The Coors Pegmatite is a feldspar and mica mine located in Jefferson county, Colorado at an elevation of 7,759 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: 7,759 Feet (2,365 Meters)
Commodity: Feldspar, Mica
Lat, Long: 39.70028, -105.37250
Map: View on Google Maps
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Coors Pegmatite MRDS details
Site Name
Primary: Coors Pegmatite
Secondary: Coors Quarry
Secondary: Coors Feldspar Pegmatite
Commodity
Primary: Feldspar
Primary: Mica
Tertiary: REE
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
Owner Name: Coors Pottery Co.
Home Office: Denver, Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1935
Year Last Production: 1949
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: LENTICULAR
Form: LENTICULAR
Form: LENTICULAR
Structure
Type: R
Description: Front Range Uplift, Denver Basin
Type: L
Description: Floyd Hill Fault Zone, Unnamed Overturned Anticline
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Albite
Ore: Cleavelandite
Ore: Microcline
Gangue: Garnet
Gangue: Quartz
Gangue: Allanite
Gangue: Magnetite
Gangue: Muscovite
Comments
Comment (Deposit): TWO LENTICULAR PEGMATITES EN ECHELON, IRREGULAR IN SHAPE WITH PINCH AND SWELL WALLS. BOTH THICKEN AND BLUNT OUT TO SW AND THIN TO NE. WALL ZONE CONSISTS OF GRAPHIC MICROCLINE AND PLAGIOCLASE AROUND NEARLY CONTINUOUS QUARTZ CORE.
Comment (Location): ON RIDGE NE OF UNNAMED TRIBUTARY OF SODA CREEK 0.9 MILE NW OF BERGEN PARK ; INFO FROM LAND.ST :(1975)
Comment (Production): SCRAP MICA PRODUCTION UNKNOWN
Comment (Workings): SIX OPEN CUTS, ONE TUNNEL, SHAFTS
References
Reference (Deposit): SHERIDAN, D.M., AND OTHERS, 1972, GEOLOGIC MAP OF THE EVERGREEN QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-786-A.
Reference (Deposit): MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 27.
Reference (Deposit): BOOS, M.F., 1954, GENESIS OF PRECAMBRIAN GRANITIC PEGMATITES IN THE DENVER MOUNTAIN PARKS AREA, COLORADO: GSA BULL., V. 65, NO. 2, P. 115-142.
Reference (Deposit): USBM MIN. EXAM. FILE, REPT. OF 6/29/59 (FROM ORIGINAL CRIB RECORD)
Reference (Production): ORIGINAL CRIB RECORD (PROBABLY USBM REFERENCE)
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.