The Mica-Beryl Mine is a feldspar and mica mine located in Chaffee county, Colorado at an elevation of 9,600 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: 9,600 Feet (2,926 Meters)
Commodity: Feldspar, Mica
Lat, Long: 38.65639, -105.96889
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.
Mica-Beryl Mine MRDS details
Site Name
Primary: Mica-Beryl Mine
Commodity
Primary: Feldspar
Primary: Mica
Secondary: Tantalum
Secondary: Niobium (Columbium)
Secondary: REE
Secondary: Beryllium
Tertiary: Marble, Dimension
Location
State: Colorado
County: Chaffee
District: Turret District
Land Status
Land ownership: National Forest
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: Edgar And Edmond Riegel, Elbert Davidson, Edgar Ingham
Years: 1950 -
Owner Name: Mr. Strah
Home Office: Salida, Co.
Years: 1944 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Discovery Year: 1941
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: LENSOID
Structure
Type: R
Description: Southern Mosquito Range, Thirtynine Mile Volcanic Field, Arkansas Valley Graben
Type: L
Description: E-W-Trending Faults, Fault Blocks
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Mississippian
Analytical Data
Not available
Materials
Ore: Microcline
Ore: Muscovite
Ore: Beryl
Ore: Marble
Gangue: Quartz
Gangue: Plagioclase
Comments
Comment (Deposit): WALL ZONE: QUARTZ-MICROCLINE-MUSCOVITE-PLAGIOCLASE, 3-5 FT THICK; INTERMEDIATE ZONE: MUSCOVITE-PLAGIOCLASE-BERYL, 2-3 FT THICK; CORE: MICROCLINE-QUARTZ, 25-FT WIDE AVERAGE; MARBLE REPORTED-POSSIBLY SEPARATE QUARRY
Comment (Location): ABOUT 0.5 MILE WEST OF MARBLE QUARRY GULCH, TO SE OF GREEN MOUNTAIN, ON FLAT BENCH ; INFO FROM LAND.ST :(1976)
Comment (Commodity): GREENISH-BLUE, SUBHEDRAL TO EUHEDRAL BERYL, PRACTICALLY FREE OF INCLUSIONS; COLUMBITE-TANTALITE MASSIVE, LARGE SIZE; POTASH FELDSPAR IN CORE HIGH QUALITY
Comment (Workings): ELONGATE OPEN CUT 160 X 35 X 14; 5 PROSPECT PITS (SEARCHING FOR GOLD)
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. 23-27
Reference (Deposit): SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOGIC MAP OF THE PUEBLO 1 DEG X 2 DEG QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1:250,000
Reference (Deposit): ARGALL, G.O., JR., 1949, INDUSTRIAL MINERALS OF COLORADO: COLORADO SCHOOL OF MINES QUARTERLY, V. 44, NO. 2, P. 52.
Reference (Deposit): PARKER, R.L., 1963, NIOBIUM AND TANTALUM IN THE UNITED STATES: USGS MAP MR-36
Reference (Deposit): VAN DIVER, B.B., 1957, GEOLOGY OF THE CALUMET MINING DISTRICT, CHAFFEE COUNTY, COLORADO: UNIVERSITY OF COLORADO THESIS, P. 83.
Reference (Deposit): BOARDMAN, S.J., 1976, GEOLOGY OF THE PRECAMBRIAN METAMORPHIC ROCKS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V. 13, NO. 3, P. 89-100.
Reference (Deposit): BOARDMAN, S.J., 1971, PRECAMBRIAN GEOLOGY AND MINERAL DEPOSITS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: PH.D. THESIS, UNIVERSITY OF MICHIGAN, 131 P.
Reference (Production): PARKER, R.L. (1963)
Colorado Mining Photos
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