The Tantalum Prospect is a mica, beryllium, and tantalum mine located in Larimer county, Colorado at an elevation of 8,100 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: 8,100 Feet (2,469 Meters)
Commodity: Mica, Beryllium, Tantalum
Lat, Long: 40.54583, -105.38528
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.
Tantalum Prospect MRDS details
Site Name
Primary: Tantalum Prospect
Commodity
Primary: Mica
Primary: Beryllium
Primary: Tantalum
Location
State: Colorado
County: Larimer
District: Crystal Mountain (Storm Mountain) 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
Not available
Ownership
Owner Name: United Beryllium Ores And Metals Corp.
Home Office: Denver, Co.
Years: 1942 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
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
Type: L
Description: Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds
Alterations
Not available
Rocks
Name: Tonalite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Tonalite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: USGS ANALYSIS YIELDED 76 % TA205 AND 10 % NB205
Materials
Ore: Muscovite
Ore: Beryl
Ore: Tantalite
Gangue: Microcline
Comments
Comment (Location): PROBABLY NORTH OF SHEEP CREEK, 2.5 MILES ENE OF CRYSTAL MOUNTAIN. ; INFO FROM LAND.ST :(1980)
Comment (Deposit): UNZONED PEGMATITE TRENDS N 71 E, AND IS COMPOSED OF QUARTZ, ALBITE, AND MUSCOVITE, WITH ACCESSORY MICROCLINE, BERYL, AND TANTALITE. AVE. GRAIN SIZE OF 2 INCHES. BERYL AND EUHEDRAL TANTALITE OCCUR WITH FINE-GRAINED MUSCOVITE AGGREGATES.
Comment (Workings): 6-FT-DEEP SHAFT
References
Reference (Deposit): THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.
Reference (Deposit): HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-1944: USGS PROF. PAPER 227, P. 98-99.
Colorado Mining Photos
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