| Deposit ID | 10011663 |
|---|---|
| MRDS ID | D006732 |
| Record type | Site |
| Current site name | Lower Star of the West Mine |
| Alternate or previous names | Stoddard Mine |
| Geographic coordinates: | -105.27612, 37.61113 (WGS84) |
|---|---|
| Elevation | 2902 |
| Relative position | 3.9 MILES N 9 E OF RUSSELL |
Political divisions (FIPS codes)
Costilla(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Russell(quadrangle 1:24,000 scale)
Blanca Peak(quadrangle 1:100,000 scale)
Trinidad(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Alamosa-Trinchera(hydrologic unit)
Rio Grande Headwaters(hydrologic accounting unit)
Rio Grande Headwaters(hydrologic subregion)
Rio Grande(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Costilla |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 028S | 071W | 13 | SE OF SE | Colorado |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Gold | Secondary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Magnetite | Ore |
| Calcite | Gangue |
| Chlorite | Gangue |
| Epidote | Gangue |
| Garnet | Gangue |
| Result | AVERAGE OF FOUR ANALYSES ON ENTIRE IRON DEPOSIT YIELDED 53.78% FE AND 0.931% |
|---|
| Model code | 62 |
|---|---|
| USGS model code | 18d |
| Deposit model name | Skarn Fe |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Monzonite | ||||||
| Rock unit name | Monzonite Porphyry | ||||||
| Rock description | Monzonite Porphyry | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Minturn Formation |
| Rock description | Minturn Formation |
| (1) | -105.27612, 37.61113 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Sierra Blanca Massif, Ft. Garland Embayment |
| Type of structure | Local |
| Structure description | Vega Cr. Anticline, Wagon Mesa Fault |
| General form | moderately dipping layer |
|---|---|
| Strike | S 80 E |
| Dip | 25 SW |
| Thickness | 1.52M |
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Grayback (Russell) District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Otto Drum |
| First year | 1959 |
| Type | Owner |
|---|---|
| Owner | Trinchera (Estate) |
| First year | 1910 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D006732 |
HARRER; C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM 1C-7918, P. 22.
| Subject category | Comment text |
|---|---|
| Deposit | IRON ORE REPLACES CALCITE IN CONTACT-METAMORPHOSED LIMESTONE. ORE CONFORMS WITH ORIGINAL BEDDING AND IS OVERLAIN BY 12-FT-THICK TACTITE. FAULT THAT OFFSETS ORE TRENDS S 40 E, 70 NE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1981 | Schwochow, Stephen D. | Colorado Geological Survey | |
| Updater | 01-MAY-1983 | Schwochow, Stephen D. | 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.