| Deposit ID | 10013732 |
|---|---|
| MRDS ID | D010190 |
| Record type | Site |
| Current site name | Coors Pegmatite |
| Alternate or previous names | Coors Quarry, Coors Feldspar Pegmatite |
| Related records | 10166669 |
| Geographic coordinates: | -105.37308, 39.70027 (WGS84) |
|---|---|
| Elevation | 2365 |
| Relative position | 7.7 MILES S 58 W FROM GOLDEN |
Political divisions (FIPS codes)
Jefferson(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Evergreen(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)
| Country | State | County |
|---|---|---|
| United States | Colorado | Jefferson |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 004S | 071W | 18 | E2 | Colorado |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Mica | Primary |
| REE Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Albite | Ore |
| Cleavelandite | Ore |
| Microcline | Ore |
| Allanite | Gangue |
| Garnet | Gangue |
| Magnetite | Gangue |
| Muscovite | 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---Interlayered Hornblende Gneiss, Calc-Silicate Gneiss, And Amphibolite;Pegmatite |
| Rock description | Idaho Springs Formation---Interlayered Hornblende Gneiss, Calc-Silicate Gneiss, And Amphibolite;Pegmatite |
| (1) | -105.37308, 39.70027 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Front Range Uplift, Denver Basin |
| Type of structure | Local |
| Structure description | Floyd Hill Fault Zone, Unnamed Overturned Anticline |
| General form | LENTICULAR |
|---|
| General form | LENTICULAR |
|---|
| General form | LENTICULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1935 |
| Year of last production | 1949 |
| District name | Clear Creek Pegmatite Province |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Coors Pottery Co. |
| Home office | Denver, Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010190 |
SHERIDAN, D.M., AND OTHERS, 1972, GEOLOGIC MAP OF THE EVERGREEN QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-786-A.
MEEVES, H.C., AND OTHERS, 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITE DEPOSITS IN SIX WESTERN STATES: USBM IC-8298, P. 27.
USBM MIN. EXAM. FILE, REPT. OF 6/29/59 (FROM ORIGINAL CRIB RECORD)
ORIGINAL CRIB RECORD (PROBABLY USBM REFERENCE)
| Subject category | Comment text |
|---|---|
| Deposit | TWO LENTICULAR PEGMATITES EN ECHELON, IRREGULAR IN SHAPE WITH PINCH AND SWELL WALLS. BOTH THICKEN AND BLUNT OUT TO SW AND THIN TO NE. WALL ZONE CONSISTS OF GRAPHIC MICROCLINE AND PLAGIOCLASE AROUND NEARLY CONTINUOUS 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.
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