| Deposit ID | 10087904 |
|---|---|
| MRDS ID | D010728 |
| Record type | Site |
| Current site name | Forest King Mine |
| Alternate or previous names | Forest King Group, Patented Claims: Forest King, MS 6342, Bonanza King, MS 6342, Palmer, MS 6342, Ophir, MS 6342, Alta, MS 6342, Star, MS 6342 |
| Related records | 10190638 |
| Geographic coordinates: | -106.54671, 37.3453 (WGS84) |
|---|---|
| Elevation | 3078 |
| Relative position | 0.87 MILE S 60 W FROM PLATORO |
Political divisions (FIPS codes)
Conejos(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Platoro(quadrangle 1:24,000 scale)
Antonito(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Conejos(hydrologic unit)
Rio Grande Headwaters(hydrologic accounting unit)
Rio Grande Headwaters(hydrologic subregion)
Rio Grande(hydrologic region)
Federal lands
Rio Grande National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Conejos |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 036N | 004E | 21,22 | E2 OF E2 (21); W2 OF W2 (22) | Colorado |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Secondary |
| Lead | Secondary |
| Zinc Critical | Tertiary |
| Antimony Critical | Tertiary |
| Molybdenum | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Covellite | Ore |
| Digenite | Ore |
| Electrum | Ore |
| Galena | Ore |
| Gold | Ore |
| Marcasite | Ore |
| Miargyrite | Ore |
| Molybdenite | Ore |
| Polybasite | Ore |
| Proustite | Ore |
| Pyrargyrite | Ore |
| Pyrrhotite | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Zinkenite | Ore |
| Quartz | Gangue |
| Result | HAMMEN AND WUENSCH (1914) REPORT ORE ASSAYS OF 0.2 TO 0.4 OZ/TON AU, 5.81 TO 10.36 OZ/TON AG |
|---|
| Model code | 154 |
|---|---|
| USGS model code | 25e |
| Deposit model name | Epithermal quartz-alunite Au |
| Mark3 model number | 38 |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite | ||||||
| Rock unit name | La Jara Canyon Member Of Treasure Mountain Tuff | ||||||
| Rock description | La Jara Canyon Member Of Treasure Mountain Tuff | ||||||
| |||||||
| Host or associated | Host | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite | ||||||
| Rock unit name | La Jara Canyon Member Of Treasure Mountain Tuff | ||||||
| Rock description | La Jara Canyon Member Of Treasure Mountain Tuff | ||||||
| |||||||
| (1) | -106.54671, 37.3453 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Volcanic Field |
| Type of structure | Local |
| Structure description | Platoro Caldera, Summitville Caldera, Platoro Fault Zone, Cornwall Block |
| Thickness | 6.1M |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discoverer | Charles Robinson And Others (Claimants) |
| District name | Ute (Platoro) District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Franks Development Co. |
| Home office | Antonito, Co. |
| First year | 1973 |
| Type | Owner |
|---|---|
| Owner | Coronado Silver Corp. |
| Home office | Rollinsville, Co. |
| First year | 1973 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010728 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080210014 |
PATTON, H.B., 1917, GEOLOGY AND ORE DEPOSITS OF THE PLATORO-SUMMITVILLE MINING DISTRICT, COLORADO: CGS BULL. 13.
LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.
BIRD, W.H., 1972, MINERAL DEPOSITS OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: MTN. GEOLOGIST, V. 9, NO. 4, P. 379-387.
COLORADO DIV. MINES INF. REPT.
BLM MINERAL SURVEY MS 6342
BIRD, W.H., 1973, THE DEVELOPMENT OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX AND ITS RELATED MINERAL DEPOSITS, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: COLORADO SCHOOL OF MINES THESIS T-1440.
HAMMEN, C.W., AND WUENSCH, C.E., 1914, THE PLATORO DISTRICT, COLORADO, ITS TOPOGRAPHY, GEOLOGY, MINES, AND ORES: COLORADO SCHOOL OF MINES THESIS T-468.
USBM MINERALS YEARBOOKS 1940, 1941
| Subject category | Comment text |
|---|---|
| Deposit | MINE DEVELOPED ON WHAT CAN BE TERMED FOREST KING FAULT, WESTERNMOST OF SEVERAL PRINCIPAL QUARTZ-PYRITE VEINS IN PLATORO FAULT ZONE. FAUL TRENDS GENERALLY N 25 TO 30 W, DOWNDROPPED TO SW. MINE DEVELOPED AT INTERSECTION OF FOREST KING FAULT WITH NORTH-SOUTH-TRENDING FAULT (PART OF RESURGENT RADIAL FAULT SYSTEM WITH RESPECT TO CALDERA RIM) AND WITH N 75 TO 85 E-TRENDING EMMA CROSS-FAULT THAT EXTENDS NE THROUGH MAMMOTH-REVENUE PORTAL AND THAT IS PART OF RESURGENT FAULT SYSTEM OF CORNWALL BLLOCK. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1983 | Schwochow, Stephen D. | Colorado Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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