Brandt Beryl-Topaz Prospect

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

Name: Brandt Beryl-Topaz Prospect  

State:  Colorado

County:  Clear Creek

Elevation: 7,881 Feet (2,402 Meters)

Primary Mineral: 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.


Satelite image of the Brandt Beryl-Topaz Prospect

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