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
Elevation: 8,730 Feet (2,661 Meters)
Commodity: Feldspar, Mica
Lat, Long: 39.7075, -105.43944
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.
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 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: 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
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
