| Deposit ID | 10087857 |
|---|---|
| MRDS ID | D010329 |
| Record type | Site |
| Current site name | Humphrey Beryl Prospect |
| Related records | 10288408 |
| Geographic coordinates: | -105.41087, 40.53942 (WGS84) |
|---|---|
| Elevation | 2569 |
| Relative position | 12.3 MILES N 24 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 | 25 | NW OF SE | Colorado |
| Commodity | Importance |
|---|---|
| Mica | Primary |
| Beryllium Critical | Primary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Muscovite | Ore |
| Albite | Gangue |
| Microcline | Gangue |
| 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 |
| Rock unit name | Metasedimentary Rocks-Quartz-Biotite Schist;Pegmatite |
| Rock description | Metasedimentary Rocks-Quartz-Biotite Schist;Pegmatite |
| (1) | -105.41087, 40.53942 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Front Range Uplift |
| Type of structure | Local |
| Structure description | Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds |
| General form | TABULAR |
|---|---|
| Length | 64.01M |
| Width | 4.57M |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Crystal Mountain (Storm Mountain) Pegmatite District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | United Beryllium Ores And Metals Corp. |
| Home office | Denver, Co. |
| First year | 1942 |
| Type of workings | Surface |
|---|---|
| Overall depth | 0.61M |
| Overall length | 1.83M |
| Overall width | 1.52M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010329 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080690080 |
THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.
| Subject category | Comment text |
|---|---|
| Deposit | TREND OF QUARTZ-BIOTITE SCHIST WALLROCK IS N 40 E, 60 SE. MAIN PEGMATITE TRENDS N 45 E, 55 NW. SECOND PEGMATITE IS PARALLEL AND 100 FT TO NORTHWEST. THIRD PEGMATITE LIES 15 FT NORTH AND TRENDS N 80 E, 40 NW. MAIN PEGMATITE DISPLACED 12 FT BY FAULT TRENDING N 53 W. ALL COMPOSED OF QUARTZ, ALBITE, AND MUSCOVITE, WITH ACCESSORY MICROCLINE AND BERYL, WITH AVERAGE GRAIN SIZE OF ONE INCH. |
| 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.