| Deposit ID | 10013763 |
|---|---|
| MRDS ID | D010227 |
| Record type | Site |
| Current site name | Grover Mine |
| Related records | 10166753 |
| Geographic coordinates: | -105.44003, 39.70749 (WGS84) |
|---|---|
| Elevation | 2661 |
| Relative position | 11 MILES S 71 W FROM GOLDEN |
Political divisions (FIPS codes)
Clear Creek(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Saddleback Mountain(quadrangle 1:24,000 scale)
Denver West(quadrangle 1:100,000 scale)
Denver(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Clear(hydrologic unit)
South Platte(hydrologic accounting unit)
South Platte(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Clear Creek |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 004S | 072W | 10,15 | SW OF SW (10); NW OF NW (15) | Colorado |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Mica | Primary |
| Beryllium Critical | Tertiary |
| Niobium (Columbium) Critical | Tertiary |
| REE Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Bertrandite | Ore |
| Beryl | Ore |
| Columbite | Ore |
| Microcline | Ore |
| Monazite | Ore |
| Muscovite | Ore |
| Albite | Gangue |
| Biotite | Gangue |
| Fluorite | Gangue |
| Quartz | Gangue |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||||||
| Rock unit name | Pegmatite | ||||||||
| Rock description | Pegmatite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Idaho Springs Formation---Feldspar-Rich Gneiss |
| Rock description | Idaho Springs Formation---Feldspar-Rich Gneiss |
| (1) | -105.44003, 39.70749 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Front Range Uplift, Denver Basin |
| Type of structure | Local |
| Structure description | Floyd Hill Fault Zone, Unnamed Anticline, Unnamed Overturned Syncline |
| General form | TABULAR |
|---|---|
| Thickness | 7.62M |
| Length | 231.65M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Clear Creek Pegmatite Province |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Joe Grover |
| Home office | Park City, Ut. |
| First year | 1944 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010227 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080190741 |
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
| Subject category | Comment text |
|---|---|
| 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. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-1983 | Schwochow, Stephen D. | Colorado Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.