| Deposit ID | 10101910 |
|---|---|
| MRDS ID | D011662 |
| Record type | Site |
| Current site name | Seward County Mine |
| Alternate or previous names | Patented Claim: Seward County, Ms 450 |
| Related records | 10263747 |
| Geographic coordinates: | -107.4873, 37.94723 (WGS84) |
|---|---|
| Elevation | 3328 |
| Location accuracy | 500(meters) |
| Relative position | 11.1 MILES S 59 W FROM LAKE CITY |
Political divisions (FIPS codes)
Hinsdale(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Redcloud Peak(quadrangle 1:24,000 scale)
Silverton(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Gunnison(hydrologic unit)
Gunnison(hydrologic accounting unit)
Gunnison(hydrologic subregion)
Upper Colorado(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Hinsdale |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 043N | 006W | 26,35 | N2 OF N2 OF NE (26); SW OF SE OF SE (35) | Colorado |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Gold | Primary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Tetrahedrite | Ore |
| Quartz | Gangue |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||
| |||||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| Rock unit name | Granite Of Cataract Canyon;Ash-Flow Member Of Sunshine Peak Tuff |
| Rock description | Granite Of Cataract Canyon;Ash-Flow Member Of Sunshine Peak Tuff |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Rock unit name | Megabreccia Member Of Sunshine Peak Tuff |
| Rock description | Megabreccia Member Of Sunshine Peak Tuff |
| (1) | -107.4873, 37.94723 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Volcanic Field, San Juan Depression |
| Type of structure | Local |
| Structure description | San Juan-Uncompahgre Calderas, Lake City Caldera, Silverton Caldera, Eureka Graben |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Park (Whitecross, Burrows Park, Adams) District |
|---|
| Ownership category | Private |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D011662 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080530081 |
BROWN, W.H., 1926, THE MINERAL ZONES OF THE WHITE CROSS DISTRICT AND NEIGHBORING DEPOSITS IN HINSDALE COUNTY, COLORADO: MINES MAG., V. 15, NO. 11, P. 5-15
LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.
WOOLSEY, L.H., 1907, LAKE FORK EXTENSION OF THE SILVERTON MINING AREA, COLORADO: USGS BULL. 315, P. 26-30.
BLM MINERAL SURVEY MS 450
KRASOWSKI, D.J., 1976, GEOLOGY AND ORE DEPOSITS OF BURROWS PARK, HINSDALE COUNTY, COLORADO: COLORADO STATE UNIV. M. SC. THESIS, 111 P.
| Subject category | Comment text |
|---|---|
| Deposit | VEIN PROBABLY LIES IN SMALL FRACTURE OR FAULT CUTTING SUNSHINE PEAK MEGABRECCIA WITHIN LAKE CITY CALDERA, ALTHOUGH KRASOWSKI'S (1976) MAP SHOWS LANDSLIDE BRECCIA IN FAULT CONTACT WITH HENSON AND BURNS MEMBERS' VOLCANICS AND SEDIMENTS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-84 | Schwochow, Stephen D. | Colorado Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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