The Crystal No. 8 Mine is a feldspar mine located in Chaffee county, Colorado at an elevation of 8,799 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: 8,799 Feet (2,682 Meters)
Commodity: Feldspar
Lat, Long: 38.82917, -106.02361
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.
Crystal No. 8 Mine MRDS details
Site Name
Primary: Crystal No. 8 Mine
Secondary: No. 8 Mine
Commodity
Primary: Feldspar
Secondary: REE
Location
State: Colorado
County: Chaffee
District: Trout Creek Pass Area
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: Unknown
Ownership
Owner Name: M And S, Inc.
Home Office: Denver, Co.
Years: 1950 -
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: LENTICULAR
Structure
Type: R
Description: Mosquito Range, Arkansas Valley Graben
Type: L
Description: Nw-Trending Faults
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Euxenite
Ore: Microcline
Ore: Allanite
Gangue: Garnet
Gangue: Biotite
Gangue: Plagioclase
Gangue: Quartz
Comments
Comment (Location): JUST S OF INTERSECTION OF TROUT CREEK AND SHIELDS GULCH; ABOUT 0.5 MILE SOUTH OF HIGHWAY 24 ; INFO FROM LAND.ST :(1976)
Comment (Reserve-Resource): RESERVES COULD BE GREATER THAN INDICATED
Comment (Deposit): 2 ZONES: CORE IS QUARTZ-MICROCLINE-PLAGIOCLASE PEGMATITE; BORDER ZONE SAME MINERALS PLUS DARK-RED GARNET
Comment (Workings): IRREGULAR, TWO-LEVEL OPEN-CUT WITH ADDITIONAL SMALL PITS, CROSSCUTS; ONE SHORT, NARROW ADIT
References
Reference (Deposit): HANLEY, J.B., HEINRICH, E.W., PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROFESSIONAL PAPER 227, P. 21-22
Reference (Deposit): ARGALL, G.O., JR., 1949, INDUSTRIAL MINERALS OF COLORADO: COLORADO SCHOOL OF MINES QUARTERLY, V. 44, NO. 2, P. 161.
Reference (Deposit): TWETO, O.L. STEVEN, T.A., HAIL, W.J., JR., MOENCH, R.H., 1976, PRELIMINARY GEOLOGIC MAP OF THE MONTROSE 1 X 2 QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP MF-761, 1:250,000
Reference (Reserve-Resource): HANLEY, J.B., 1950
Colorado Mining Photos
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