| Deposit ID | 10017767 |
|---|---|
| MRDS ID | DC04234 |
| Record type | Site |
| Current site name | R. H. Magnuson Mine |
| Alternate or previous names | Magnusson Crosscut |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -105.30113, 38.4714 (WGS84) |
| Elevation | 1992 |
| Relative position | 4.5 MILES N48W 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)
Federal lands
LG(Federal land areas administered by LG)
| Country | State | County |
|---|---|---|
| United States | Colorado | Fremont |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 18S | 71W | 14 | SW OF SE | Colorado |
| Commodity | Importance |
|---|---|
| Feldspar | Primary |
| Quartz | Primary |
| Beryllium Critical | Secondary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Microcline | Ore |
| Quartz | Ore |
| Biotite | Gangue |
| Garnet | Gangue |
| Tourmaline | Gangue |
| Model code | 32 |
|---|---|
| USGS model code | 13 |
| Deposit model name | Pegmatites |
| Host or associated | Host | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Gneiss | ||||||||
| Rock unit name | Gneiss | ||||||||
| Rock description | Migmatitic Gneiss | ||||||||
| |||||||||
| Pit (1) | -105.30113, 38.4714 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Northern Wet Mountains |
| Type of structure | Local |
| Structure description | Ne-Striking Faults |
| General form | TABULAR |
|---|---|
| Strike | N78W |
| Dip | 65-80 SW |
| Thickness | 18.29M |
| Length | 21.34M |
| Width | 9.14M |
| Operation type | Underground |
|---|---|
| Development status | Prospect |
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Eightmile Park Area |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Owner |
|---|---|
| Owner | R. H. Magnuson |
| Type of workings | Underground |
|---|---|
| Length | 38.1M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC04234 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0804300203 |
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, 1:62,500.
HEINRICH, E.W., 1948, PEGMATITES OF EIGHT MILE PARK, FREMONT COUNTY, COLORADO: AMERICAN MINERALOGIST, V. 33, NOS. 7-10, P. 420-448, 550-587.
CONSV. DIV. COMP. DATE, 1,64
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1973 | Unknown | U.S. Geological Survey | |
| Updater | 01-DEC-1982 | Collins, Donna B. | U.S. 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.