| Deposit ID | 10014094 |
|---|---|
| MRDS ID | D010720 |
| Record type | Site |
| Current site name | Good Hope Mine |
| Alternate or previous names | Patented Claims: Good Hope, MS 7764, Wonder, MS 7764 |
| Related records | 10143551 |
| Geographic coordinates: | -107.53035, 37.71918 (WGS84) |
|---|---|
| Elevation | 3719 |
| Relative position | 9.7 MILES S 52 E FROM SILVERTON |
Political divisions (FIPS codes)
San Juan(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Storm King Peak(quadrangle 1:24,000 scale)
Silverton(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Rio Grande Headwaters(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 | San Juan |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 040N | 006W | 21 | E2 | Colorado |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Secondary |
| Lead | Secondary |
| Zinc Critical | Tertiary |
| Tellurium Critical | Tertiary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Calaverite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Marcasite | Ore |
| Petzite | Ore |
| Sphalerite | Ore |
| Sylvanite | Ore |
| Tetrahedrite | Ore |
| Barite | Gangue |
| Calcite | Gangue |
| Hematite | Gangue |
| Limonite | Gangue |
| Quartz | Gangue |
| Result | STEVEN AND OTHERS' (1969) SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSES OF 7 VEIN SAMPLES CONTAINING PYRITE, LIMONITE, SIDERITE, SPHALERITE, AND TETRAHEDRITE SHOWED 30 TO 3000 PPM TI, 30 TO GT 5000 PPM MN, 1 TO 1000 PPM AG, LT 200 PPM AS, 15 TO 300 PPM BA, LT 10 PPM BI, LT 20 TO 20 PPM CD, LT 5 TO 5 PPM CO, LT 5 TO 30 PPM CR, 7 TO 5000 PPM CU, LT 5 TO 7 PPM MO, 2 TO 15 PPM NI, LT 10 TO 500 PPM PB, LT 100 TO 1500 PPM SB, LT 10 PPM SN, LT 100 TO 300 PPM SR, 20 TO 70 PPM V, LT 50 PPM W, LT 200 TO 2000 PPM ZN, 0.03 TO 7 PPM FE. CHEMICAL ANALYSES SHOWED 0.04 TO 26 PPM AU, LT 10 TO 6600 PPM CU, LT 25 TO 1400 PPM PB, LT 25 TO 1500 PPM ZN, 8 TO 60 PPM MO, LT 10 TO 80 PPM AS, GT 100 PPM SB, 0.12 TO GT 6 PPM HG, 4.1 TO 680 PPM TE, 1.2 TO 760 PPM AG. |
|---|
| Model code | 84 |
|---|---|
| USGS model code | 22b |
| Deposit model name | Alkaline Au-Te (Au-Ag-Te veins) |
| Mark3 model number | 80 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyodacite | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Rock unit name | San Juan Formation;Early Intermediate Lavas And Breccias--Near-Source Facies |
| Rock description | San Juan Formation;Early Intermediate Lavas And Breccias--Near-Source Facies |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite |
| Rock unit name | Uncompahgre Formation;Irving Formation |
| Rock description | Uncompahgre Formation;Irving Formation |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | Pre-ash-flow andesitic lavas, breccias, tuffs, and conglomerates |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Uplift, San Juan Volcanic Field |
| Type of structure | Local |
| Structure description | San Juan Uplift, Unnamed Fault |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1892 |
| Year of first production | 1893 |
| District name | Beartown (Bear Creek) District |
|---|
| Ownership category | |
|---|---|
| Area name | San Juan N. F. (?) |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010720 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0081110190 |
STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F. P. 67-71, 89-90.
STEVEN, T.A., AND OTHERS, 1974, GEOLOGIC MAP OF THE DURANGO QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP I-764.
CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.
BLM MINERAL SURVEY MS 7764
PROSSER, W.C., 1911, THE BEAR CREEK SYLVANITE CAMP, COLORADO: ENG. MINING JOUR., V. 91, P. 712.
| Subject category | Comment text |
|---|---|
| Deposit | MINE DEVELOPED ON NNE-TRENDING QUARTZ VEIN IN NORTH PART OF CENTRALLY CONCENTRATED ZONE OF PRODUCTIVE VEINS. PORTAL LIES APPROX ON TWO EAST-WEST-TRENDING FAULTS SEPARATING IRVING FM (ON NORTH) FROM UNCOMPAHGRE FM QUARTZITE (ON SOUTH) IN EAST-WEST-TRENDING QUARTZITE FAULT BLOCK. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-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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