| Deposit ID | 10101852 |
|---|---|
| MRDS ID | D010386 |
| Record type | Site |
| Current site name | Eureka Group |
| Related records | 10118674 |
| Geographic coordinates: | -105.43031, 40.57609 (WGS84) |
|---|---|
| Elevation | 2487 |
| Location accuracy | 500(meters) |
| Relative position | 14.3 MILES N 16 E FROM ESTES PARK |
Political divisions (FIPS codes)
Larimer(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Crystal Mountain(quadrangle 1:24,000 scale)
Fort Collins(quadrangle 1:100,000 scale)
Greeley(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Big Thompson(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 | 007N | 072W | 14 | N2 | Colorado |
| Commodity | Importance |
|---|---|
| Uranium | Primary |
| Materials | Type of material |
|---|---|
| Torbernite | Ore |
| Uranophane | Ore |
| Result | ORE GRADE 0.12 % U308 |
|---|---|
| Result | CHANNEL AND CHIP SAMPLES ASSAYED 0.08 % TO 0.25 % EQUIV U308. |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Tonalite | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| Rock unit name | Pegmatite;Tonalite (Quartz Diorite) |
| Rock description | Pegmatite;Tonalite (Quartz Diorite) |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist > Mica Schist |
| Rock unit name | Metasedimentary Rocks--Quartz-Mica Schist;Pegmatite |
| Rock description | Metasedimentary Rocks--Quartz-Mica Schist;Pegmatite |
| (1) | -105.43031, 40.57609 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Front Range Uplift |
| Type of structure | Local |
| Structure description | Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of last production | 1956 |
| District name | Crystal Mountain (Storm Mountain) Pegmatite District |
|---|
| Ownership category | National Forest |
|---|
| Year | 1956 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE U ACC | ||||||||||||||
| Description | Ap_Grade: ^0.12% U308 | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010386 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080690059 |
THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.
NELSON-MOORE AND OTHERS, 1978
| Subject category | Comment text |
|---|---|
| Deposit | PEGMATITE TRENDS GENERALLY N 80 W. ORE FOUND AT CONTACT BETWEEN PEGMATITE AND QUARTZ-BIOTITE SCHIST WALL ROCK. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-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.