Chief #1-5 Mine

The Chief #1-5 Mine is a quartz, feldspar, beryllium, and lithium mine located in Fremont county, Colorado at an elevation of 7,861 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: Chief #1-5 Mine  

State:  Colorado

County:  Fremont

Elevation: 7,861 Feet (2,396 Meters)

Commodity: Quartz, Feldspar, Beryllium, Lithium

Lat, Long: 38.48333, -105.59500

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 Chief #1-5 Mine

Chief #1-5 Mine MRDS details

Site Name

Primary: Chief #1-5 Mine


Commodity

Primary: Quartz
Primary: Feldspar
Primary: Beryllium
Primary: Lithium
Secondary: REE


Location

State: Colorado
County: Fremont
District: Devil'S Hole Area


Land Status

Land ownership: BLM Administrative Area
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: Surface


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Surface
Year First Production: 1950
Year Last Production: 1959
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

Model Name: Pegmatites


Orebody

Not available


Structure

Type: R
Description: Southern Front Range

Type: L
Description: Ne-Trending Fault Near Texas Creek Fault


Alterations

Not available


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Ore: Beryl
Ore: Lepidolite
Ore: Feldspar
Gangue: Garnet
Gangue: Magnetite
Gangue: Tourmaline
Gangue: Topaz
Gangue: Biotite


Comments

Comment (Deposit): ZONED PEGMATITE DIKE; PRIMARY L1 MINERALIZATION IN WESTERN CUT; CORE OF PEGMATITE IS QUARTZ-FELDSPAR

Comment (Workings): 2 OPEN CUTS; CUT 1 TRENDS E-W, ABOUT 100 FT X 25 FT X 35 FT DEEP AT FACE (EASTERN CUT); CUT 2 (WESTERN CUT) ABOUT 25 FT WIDE, 12 FT DEEP; SEVERAL SMALL PITS AND TRENCHES

Comment (Location): ON EAST GULCH, NORTH OF DEVIL'S HOLE (ZINGHEIM) MINE; (UNSURVEYED) ; INFO FROM LAND.ST :(1973) (1973)


References

Reference (Deposit): HEINRICH, E.W. AND VIAN, R.W., 1965, THE CHIEF LITHIUM PEGMATITE, DEVILS HOLE, FREMONT COUNTY, COLORADO: THE AMERICAN MINERALOGIST, V. 50, NOS. 1-2, P. 96-104.

Reference (Deposit): MEEVES, H.C., HARRER, C.M., SALSBURY, M.H., KONSELMAN, A.S. AND SHANNON, S.S., JR., 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES; ARIZONA, COLORADO, NEW MEXICO, SOUTH DAKOTA, UTAH, AND WYOMING: USBM INFORMATION CIRCULAR 8298, 34 P.

Reference (Deposit): TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A. AND EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1:62,500.


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.