Grover Mine

The Grover Mine is a feldspar and mica mine located in Clear Creek county, Colorado at an elevation of 8,730 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: Grover Mine  

State:  Colorado

County:  Clear Creek

Elevation: 8,730 Feet (2,661 Meters)

Primary Mineral: Feldspar, Mica

Lat, Long: 39.7075, -105.43944

Map: View on Google Maps

Satelite View


Satelite image of the Grover Mine

Grover Mine MRDS details

Site Name

Primary: Grover Mine


Commodity

Primary: Feldspar
Primary: Mica
Tertiary: Beryllium
Tertiary: Niobium (Columbium)
Tertiary: REE


Location

State: Colorado
County: Clear Creek
District: Clear Creek Pegmatite Province


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 indicate a claim status and does not necessarily indicate an area is open to prospecting.


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Joe Grover
Home Office: Park City, Ut.
Years: 1944 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
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, Unnamed Anticline, Unnamed Overturned Syncline


Alterations

Not available


Rocks

Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Ore: Monazite
Ore: Microcline
Ore: Beryl
Ore: Bertrandite
Ore: Muscovite
Ore: Columbite
Gangue: Fluorite
Gangue: Biotite
Gangue: Quartz
Gangue: Albite


Comments

Comment (Workings): MAIN OPEN CUT IS 275 FT LONG, 23 FT WIDE, 30 FT DEEP, WITH 23-FT DRIFT FROM OPEN CUT, SEVERAL SMALL PROSPECT HOLES

Comment (Location): ON SOUTH SIDE OF BEAVER BROOK CANYON 0.8 MILE SW OF SADDLEBACK MTN.. ; INFO FROM LAND.ST :(1975)

Comment (Deposit): GRADATIONALLY ZONED PEGMATITE TRENDS N 88E, 70 TO 90 SE. COUNTRY ROCK FOLIATION TRENDS N 45 TO 72 W, 80 TO 90 NE. BORDER ZONE (0.5 INCH THICK) AND WALL ZONE (1 TO 2 FT) ARE QUARTZ-MICROCLINE-ALBITE-BIOTITE PEGMATITE. INTERMEDIATE ZONE IS QUARTZ-ALBITE-MUSCOVITE PEGMATITE WITH ACCESSORY BERYL, BERTRANDITE, COLUMBITE, MONAZITE, AND FLUORITE(?). QUARTZ CORE.


References

Reference (Deposit): HANLEY, J.B., AND OTHERS, 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING, AND UTAH, 1942-44: USGS PROF. PAPER 227, P. 29-30

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