| Deposit ID | 10013967 |
|---|---|
| MRDS ID | D010544 |
| MAS/MILS ID | 0080690067 |
| Record type | Site |
| Current site name | Green Rock Mine |
| Geographic coordinates: | -105.31476, 40.71248 (WGS84) |
|---|---|
| Elevation | 1841 |
| Location accuracy | 50(meters) |
| Relative position | 15.3 MILES N55W FROM FORT COLLINS. Mine symbol shown on topo and GQ-1620. |
Political divisions (FIPS codes)
Larimer(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Poudre Park(quadrangle 1:24,000 scale)
Fort Collins(quadrangle 1:100,000 scale)
Greeley(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Cache La Poudre(hydrologic unit)
South Platte(hydrologic accounting unit)
South Platte(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Arapaho and Roosevelt National Forests(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Larimer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 009N | 071W | 26 | E2 OF SE OF SW | Colorado |
| Commodity | Importance |
|---|---|
| Tungsten Critical | Primary |
| Molybdenum | Tertiary |
| Materials | Type of material |
|---|---|
| Powellite | Ore |
| Scheelite | Ore |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||||||
| Rock unit name | Sherman Granite | ||||||||
| Rock description | Sherman Granite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Rock unit name | Metamorphic Rocks--Biotite Gneiss, Schist, And Migmatite |
| Rock description | Metamorphic Rocks--Biotite Gneiss, Schist, And Migmatite |
| (1) | -105.31476, 40.71248 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Front Range Uplift, Sherman Batholith |
| Type of structure | Local |
| Structure description | Poudre River Shear Zone, Skin Gulch Shear Zone |
| Thickness | 1.83M |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Stove Prairie Area |
|---|
| Ownership category | National Forest |
|---|
| Year | 1942 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Ap_Grade: ^Approx 1% Wo3 | ||||||||||||||
| |||||||||||||||
| Type of workings | Underground |
|---|---|
| Overall depth | 9.14M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010544 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080690067 | =newMRDS 10118630, merged and deleted. |
COBB, H.S., 1960, TUNGSTEN MINES OF COLORADO: COLORADO METAL MINING FUND BD., P. 37.
BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM IC-7748, P. 16.
ABBOTT, J.T., 1976, GEOLOGIC MAP OF THE BIG NARROWS QUADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-1323.
BELSER, 1956, P. 16.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-83 | Schwochow, Stephen D. | Colorado Geological Survey | |
| Reporter | 21-SEP-78 | Intermountain Field Operations Center (IFOC) | U.S. Bureau of Mines | |
| Editor | 29-JAN-10 | Wilson, Anna B. | U.S. Geological Survey | merged MAS 0080690067 (newMRDS 10118630) with this record and deleted it. |
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.