The Brandt Beryl-Topaz Prospect is a beryllium mine located in Clear Creek county, Colorado at an elevation of 7,881 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: 7,881 Feet (2,402 Meters)
Commodity: Beryllium
Lat, Long: 39.70944, -105.39917
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.
Brandt Beryl-Topaz Prospect MRDS details
Site Name
Primary: Brandt Beryl-Topaz Prospect
Secondary: Beaver Brook Pegmatite
Commodity
Primary: Beryllium
Location
State: Colorado
County: Clear Creek
District: Clear Creek Pegmatite Province
Land Status
Land ownership: Federal
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
Not available
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, Denver Basin
Type: L
Description: Floyd Hill Fault Zone
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
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: Beryl
Gangue: Topaz
Comments
Comment (Commodity): MILS LISTS TA OCCURRENCE, BUT THIS IS UNCONFIRMED
Comment (Location): ON SOUTH SIDE OF BEAVER BROOK ACROSS STREAM FROM BEAVER BROOK SCHOOL ; INFO FROM LAND.ST :(1975)
Comment (Deposit): ZONED PEGMATITE TRENDS N 78 E, 30 SE, AND IS ROUGHLY CONCORDANT TO COUNTRY ROCK GNEISS
References
Reference (Deposit): SHERIDAN, D.M., AND MARSH, S.P., 1976, GEOLOGIC MAP OF THE SQUAW PASS QUADRANGLE, CLEAR CREEK, JEFFERSON, AND GILPIN COUNTIES, COLORADO: USGS MAP GQ-1337
Reference (Deposit): HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-44: USGS PROF. PAPER 227, P. 30
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.