| Deposit ID | 10012578 |
|---|---|
| MRDS ID | D008264 |
| Record type | Site |
| Current site name | Franklin Mine |
| Alternate or previous names | Frankland Mine, Francklyn Mine |
| Point of reference | Approximate |
|---|---|
| Geographic coordinates: | -105.23113, 38.17445 (WGS84) |
| Elevation | 2682 |
| Relative position | 5500 FT N 40 E FROM JUNCTION HWY 96 AND SIDE ROAD TO NORTH (2.5 MILES EAST JUNCTION HWYS 96 & 143 |
Political divisions (FIPS codes)
Custer(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Hardscrabble Mountain(quadrangle 1:24,000 scale)
Canon City(quadrangle 1:100,000 scale)
Pueblo(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Arkansas(hydrologic unit)
Upper Arkansas(hydrologic accounting unit)
Upper Arkansas(hydrologic subregion)
Arkansas-White-Red(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Custer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 021S | 070W | 32 | S2 | Colorado |
| Commodity | Importance |
|---|---|
| Thorium | Primary |
| REE Critical | Primary |
| Lead | Secondary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Galena | Ore |
| Thorite | Ore |
| Barite | Gangue |
| Calcite | Gangue |
| Clay | Gangue |
| Hematite | Gangue |
| Limonite | Gangue |
| Quartz | Gangue |
| Siderite | Gangue |
| Result | 13-.17% E TH02, .02-.03% C TH02, .01-.18% RAE, .002% U308 |
|---|
| Model code | 30 |
|---|---|
| USGS model code | 11d |
| Deposit model name | Thorium-rare-earth veins |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Gneiss | ||||
| Rock unit name | Migmatitic Gneiss | ||||
| Rock description | Migmatitic Gneiss | ||||
| |||||
| Approximate (1) | -105.23113, 38.17445 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Wet Mountains |
| Type of structure | Local |
| Structure description | Northwest-Trending Faults , Ilse Fault |
| General form | TABULAR |
|---|---|
| Strike | N 65 W |
| Dip | 75 NE |
| Thickness | 15.24M |
| Length | 91.44M |
| Width | 3.05M |
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Hardscrabble Mountain Area, Oak Creek (Ilse) District |
|---|
| Ownership category | Private |
|---|
| Type of workings | Surface/Underground |
|---|---|
| Length | 91.44M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D008264 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080270025 | data consolidated into this record |
CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C., AND SINGEWALD, Q.D., 1959, GEOLOGY AND THORIUM DEPOSITS OF THE WET MOUNTAINS, COLORADO, A PROGRESS REPORT: USGS BULL. 1072-H, P.531
SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOGIC MAP OF THE PUEBLO 10X20 QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAPI-1022, SCALE 1: 250, 000
HUNTER, J.F., 1915, SOME CERUSSITE DEPOSITS IN CUSTER COUNTY, COLORADO, IN CONTRIBUTIONS TO ECONOMIC GEOLOGY: USGS BULLETIN 580, P. 25-37.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-1981 | Collins, Donna B. | 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.