| Deposit ID | 10101869 |
|---|---|
| MRDS ID | D010794 |
| Record type | Site |
| Current site name | Yellow Jacket Mine |
| Alternate or previous names | Patented Claims: Phoenix, MS 362, Pelican, MS 363, Yellow Jacket, MS 374 |
| Related records | 10142719 |
| Geographic coordinates: | -108.01815, 37.69945 (WGS84) |
|---|---|
| Elevation | 2847 |
| Relative position | 0.8 MILES N 47 E FROM RICO |
Political divisions (FIPS codes)
Dolores(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Rico(quadrangle 1:24,000 scale)
Dove Creek(quadrangle 1:100,000 scale)
Cortez(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Dolores(hydrologic unit)
Upper Colorado-Dolores(hydrologic accounting unit)
Upper Colorado-Dolores(hydrologic subregion)
Upper Colorado(hydrologic region)
Federal lands
San Juan National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Dolores |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 040N | 011W | 25 | SE | Colorado |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Copper | Secondary |
| Gold | Secondary |
| Manganese Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Pyrolusite | Gangue |
| Quartz | Gangue |
| Result | ORE ASSAYS FROM 1920S: 3.4 TO 7.396 OZ/TON AG, 10.41 TO 22% PB, 11 TO 21.19% ZN, 0.025 TO 0.775% CU, 0.0034 TO 0.013 OZ/TON AU. ORE ASSAYS FROM 1940S: 5.32 TO 5.45 OZ/TON AG, 17 TO 19.08% PB, 25.47 TO 30% ZN, 0.38 TO 0.81% CU, 0.005 TO 0.01 OZ/TON AU. TETRAHEDRITE-TENNANTITE-BEARING SPHALERITE FROM GRAY COPPER STOPE ON NO. 5 LEVEL CONTAINED 0.8% AG AND LESS THAN 0.1% BI |
|---|---|
| Result | ELECTRON-PROBE ANALYSIS SHOWED 39.1% CU, 5.0% ZN, 1.0% FE, 0.8% AG, 15.5% SB, 8.4% AS, 28.1% S. |
| Model code | 72 |
|---|---|
| USGS model code | 19a |
| Deposit model name | Polymetallic replacement |
| Mark3 model number | 47 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Latite | ||||||||
| Rock unit name | Hornblende Latite Porphyry | ||||||||
| Rock description | Hornblende Latite Porphyry | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Hermosa Formation |
| Rock description | Hermosa Formation |
| (1) | -108.01815, 37.69945 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Uplift, Paradox Basin |
| Type of structure | Local |
| Structure description | Rico Dome, Yellow Jacket Fault, Nellie Bly Fault, Last Chance Fault |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1877 |
| Year of first production | 1880 |
| Year of last production | 1946 |
| District name | Pioneer (Rico) District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | San Juan N. F. |
| Type | Operator |
|---|---|
| Owner | Markey Brothers |
| Home office | Rico, Co. |
| First year | 1946 |
| Type | Owner |
|---|---|
| Owner | Rico-Argentine Mining Co. |
| Home office | Salt Lake City, Ut. |
| First year | 1946 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010794 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080330213 |
RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 375-379.
MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 89-91, PL. 2.
PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.
CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.
BLM MINERAL SURVEYS MS 362, 363, 364
COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.
COLORADO DIV. MINES ANNUAL OPERATOR REPTS.
| Subject category | Comment text |
|---|---|
| Deposit | SECTION OF NE-DIPPING LOWER AND MIDDLE HERMOSA FM LIMESTONE, SANDSTONE, AND SHALE INTRUDED BY HORNBLENDE LATITE PORPHYRY AND CUT (SOUTH TO NORTH) BY GENERALLY EAST-WEST-TRENDING LAST CHANCE, YELLOW JACKET, AND NELLIE BLY FAULTS ON NORTH FLANK OF RICO DOME. STRUCTURE COMPLICATED BUT GENERALLY ORE DEPOSITS OCCUR AS MINERALIZED FAULTS AND FRACTURES TRENDING N 50 TO 80 W, DIPPING STEEPLY NE TO VERTICAL TO STEEPLY SW AND CONTAINING LOW-GRADE PB-ZN PYRITIC ORE. PARALLEL SUBSIDIARY FRACTURES AND SOME CROSS FRACTURES (BEDDING FAULTS) ARE ALSO MINERALIZED. TWO OR THREE LIMESTONE BEDS IN MIDDLE HERMOSA FM CONTAIN REPLACEMENT SULFIDES NEAR FAULT ZONES. ORES WERE OXIDIZED FROM NO.1 THROUGH STAR LEVELS, LESS THOROUGHLY OXIDIZED BELOW STAR LEVEL, UNOXIDIZED ON NO.3 LEVEL. |
| Deposit | Discovery Year: LATE 1870S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-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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