| Deposit ID | 10087801 |
|---|---|
| MRDS ID | D009887 |
| Record type | Site |
| Current site name | Lorain Pegmatite |
| Geographic coordinates: | -105.35001, 38.45973 (WGS84) |
|---|---|
| Elevation | 1853 |
| Relative position | 6.3 MILES N 88 W OF CANON CITY |
Political divisions (FIPS codes)
Fremont(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Royal Gorge(quadrangle 1:24,000 scale)
Canon City(quadrangle 1:100,000 scale)
Pueblo(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Arkansas Headwaters(hydrologic unit)
Upper Arkansas(hydrologic accounting unit)
Upper Arkansas(hydrologic subregion)
Arkansas-White-Red(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Fremont |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 018S | 071W | 20,29 | S2 OF SE (20); N2 OF NE (29) | Colorado |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Mica | Secondary |
| Beryllium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Microcline | Ore |
| Muscovite | Ore |
| Calcite | Gangue |
| Garnet | Gangue |
| Magnetite | Gangue |
| Quartz | Gangue |
| Sericite | Gangue |
| Model code | 32 |
|---|---|
| USGS model code | 13 |
| Deposit model name | Pegmatites |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||||
| Rock unit name | Quartz Diorite | ||||||||
| Rock description | Quartz Diorite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Migmatitic Gneiss |
| Rock description | Migmatitic Gneiss |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -105.35001, 38.45973 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Southern Front Range, Canon City Embayment, Eightmile Park |
| Type of structure | Local |
| Structure description | Ne-Trending Faults |
| General form | L-SHAPED IN PLAN |
|---|---|
| Strike | N 80 E, N 25 W (WESTERN ARM) |
| Dip | WESTERN ARM 80 NE |
| Thickness | 13.72M |
| Length | 472.44M |
| Width | 12.19M |
| Depth to top | 0M |
| Depth to bottom | 13.72M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1945 |
| Discoverer | J.E. Meyers |
| District name | Eight Mile Park District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Operator |
|---|---|
| Owner | J. E. Meyers |
| First year | 1948 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D009887 |
HEINRICH, E. W., 1948, PEGMATITES OF EIGHT MILE PARK, FREMONT COUNTY, COLORADO: THE AMERICAN MINERALOGIST, V. 33, NOS. 7-10, P. 420-448, 550-587
TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A. AND EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1:250,000
| Subject category | Comment text |
|---|---|
| Deposit | EASTERN ARM NEARLY 0.25 MILE LONG, WESTERN ARM 250 FT LONG; MICROCLINE CORE ON WESTERN ARM |
| Deposit | Discovery Year: 1940'S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1983 | Collins, Donna B. | Colorado Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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