| Deposit ID | 10013857 |
|---|---|
| MRDS ID | D010387 |
| Record type | Site |
| Current site name | Hyatt Ranch Mine |
| Related records | 10239743 |
| Geographic coordinates: | -105.35337, 40.4597 (WGS84) |
|---|---|
| Elevation | 2481 |
| Relative position | 9.7 MILES N 53 E FROM ESTES PARK |
Political divisions (FIPS codes)
Larimer(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Drake(quadrangle 1:24,000 scale)
Estes Park(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 | 006N | 071W | 28 | E2 OF NW | Colorado |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Beryllium Critical | Primary |
| Mica | Primary |
| Uranium | Tertiary |
| Lithium Critical | Tertiary |
| Bismuth Critical | Tertiary |
| Phosphorus-Phosphates | Tertiary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Muscovite | Ore |
| Albite | Gangue |
| Apatite | Gangue |
| Bertrandite | Gangue |
| Bismuthinite | Gangue |
| Cleavelandite | Gangue |
| Garnet | Gangue |
| Purpurite | Gangue |
| Torbernite | Gangue |
| Tourmaline | Gangue |
| Triphylite | Gangue |
| Uraninite | Gangue |
| Result | THURSTON'S (1955) WALL ZONE SAMPLE CONTAINED 0.078% BEO. INNER INTERMEDIATE ZONE PRODUCTION INDICATED BERYL CONTENT OF 2.3% HAND SORTABLE. RARE MINERALS ESTIMATED AT 0.00X TO 0.0X% PHOSPHATES (OTHER THAN APATITE), 0.008% BI COMPOUNDS, AND 0.000X% U MINERALS. USBM TOOK TWO 7-TON SAMPLES FROM ADIT THAT CONTAINED 0.065% BEO (INNER INTERMEDIATE ZONE) AND 0.022% BEO (WALL ZONE). |
|---|
| 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 | Plutonic Rock > Granitoid > Tonalite |
| 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) | -105.35337, 40.4597 |
|---|
| 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 | LENTICULAR |
|---|---|
| Length | 111.25M |
| Width | 21.34M |
| Development status | Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1936 |
| Discoverer | Roy Hyatt |
| Year of first production | 1936 |
| Year of last production | 1948 |
| District name | Crystal Mountain (Storm Mountain) Pegmatite District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Beryl Ores Co. |
| First year | 1948 |
| Type | Owner |
|---|---|
| Owner | Fred H. Hyatt |
| First year | 1948 |
| Year | 1948 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1936-1948 | ||||||||||||||
| Description | Cp_Grade: ^11.04% Beo | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010387 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080690081 |
THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.
MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 30.
GILKEY, M.M., 1960, HYATT RANCH PEGMATITE, LARIMER COUNTY, COLO.: USBM RI-5643, 18 P. & &
BRADDOCK, W.A., AND OTHERS, 1970, GEOLOGIC MAP OF THE DRAKE QUADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-829.
HANLEY AND OTHERS, 1950; THURSTON, 1955
| Subject category | Comment text |
|---|---|
| Deposit | ZONED PEGMATITE TRENDS N 60 E, 30 TO 45 NW AND CONSISTS OF 1) CONTINUOUS WALL ZONE OF FINE-GRAINED PLAGIOCLASE-PERTHITE-QUARTZ PEGMATITE, WITH UPPER ZONE 1 TO 60 FT THICK, AVERAGING 25 FT, CONTAINING ACCESSORY MUSCOVITE, TOURMALINE, AND IRREGULARLY DISSEMINATED BERYL, AND LOWER ZONE UP TO 40 FT THICK AND COMPOSED OF PLAGIOCLASE AND QUARTZ WITH ACCESSORY PERTHITE, BERYL, AND MUSCOVITE; 2) OUTER INTERMEDIATE ZONE EXTENDING 130 FT ALONG HANGING WALL SIDE, UP TO 7 FT THICK, AND COMPOSED OF COARSE-GRAINED PERTHITE-QUARTZ PEGMATITE; 3) INNER INTERMEDIATE ZONE, CONTINUOUS, PINCH AND SWELLS FROM 2 TO 8 FT THICK, COMPOSED OF COARSE-GRAINED PLAGIOCLASE-QUARTZ-MUSCOVITE PEGMATITE CONTAINING FINE-TO VERY COARSE-GRAINED MUSCOVITE IN MINABLE STREAKS FROM 1 INCH TO 5 FT WIDE AND 1 TO 30 FT LONG (7%) AND 3% ACCESSORY MINERALS AND EUHEDRAL TO ANHEDRAL BERYL CRYSTALS UP TO 5 FT; 4) CORE OF VERY COARSE-GRAINED PERTHITE PEGMATITE WITH MINOR QUARTZ, PLAGIOCLASE, MUSCOVITE, TOURMALINE, AND GARNET, BERYL ON |
| Deposit | COR MARGINS, UP TO 240 FT LONG AND 25 FT WIDE, MIAROLITIC CAVITY CONTAINED BERTRANDITE. |
| 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.
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