| Deposit ID | 10400261 |
|---|---|
| Record type | District |
| Current site name | Grayback North District |
| Alternate or previous names | Grayback North |
| Geographic coordinates: | -105.2679, 37.62054 (WGS84) |
|---|
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 | Huerfano |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Silver | Primary |
| Gold | Secondary |
| Lead | Primary |
| Zinc Critical | Primary |
| Model code | 62 |
|---|---|
| USGS model code | 18d |
| Deposit model name | Skarn Fe |
| Model code | 60 |
| USGS model code | 18c |
| Deposit model name | Skarn Zn-Pb |
| Mark3 model number | 22 |
| Model code | 82 |
| USGS model code | 22 |
| Deposit model name | Epithermal veins |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock | ||
| Rock unit name | Sangre de Cristo Fm | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Monzonite |
| (1) | -105.2679, 37.62054 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1875 |
Patton, H.B and others, 1909, Geology of the Grayback Mining District, Colorado Geological Survey Bulletin 2
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.