| Deposit ID | 10014089 |
|---|---|
| MRDS ID | D010713 |
| Record type | Site |
| Current site name | Pittsburg Mine |
| Related records | 10288558 |
| Geographic coordinates: | -107.60563, 37.57112 (WGS84) |
|---|---|
| Elevation | 3831 |
| Relative position | 16.3 MILES S 11 E FROM SILVERTON |
Political divisions (FIPS codes)
La Plata(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Columbine Pass(quadrangle 1:24,000 scale)
Silverton(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Animas(hydrologic unit)
Upper San Juan(hydrologic accounting unit)
San Juan(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)
Weminuche Wilderness(Wilderness)
Wilderness FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | La Plata |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 038N | 007W | 02,11 | NW OF SW (02); SE OF SW (11) | Colorado |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Secondary |
| Lead | Secondary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Result | STEVEN AND OTHERS' (1969) ASSAY OF SELECTED DUMP SAMPLE CONTAINED 0.02 OZ/TON AU, 6.84 OZ/TON AG, 1.08% CU, 1.20% PB, 2.36% ZN |
|---|---|
| Result | SELECTED GOSSAN SAMPLE FROM DUMP CONTAINED 3.30 OZ/TON AG, 0.04% CU, TRACES OF AU, PB, AND ZN: SELECTED DUMP SAMPLE FROM SHAFT CONTAINED 0.04 OZ/TON AU, 83.66 OZ/TON AG, 0.18% CU, 0.73% PB, 0.12% ZN. SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSES OF SULFIDE-BEARING QUARTZ VEIN MATERIAL CONTAINED 20 PPM TI, 30 AND 200 PPM MN, 100 AND 5000 PPM AG, LT 200 AND 200 PPM AS, 500 AND 3000 PPM BA, LT 10 AND 50 PPM BI, LT 20 AND 300 PPM CD, LT 5 AND 5 PPM CR, 1500 AND 2000 PPM CU, 30 AND 100 PPM MO, 500 AND 20000 PPM PB, 150 AND 1500 PPM SB, LT 10 PPM SN, LT 100 PPM SR, 10 AND 20 PPM V, LT 50 PPM W, 200 AND GT 20000 PPM ZN |
| Result | CHEMICAL ANALYSES CONTAINED 0.30 AND 5 PPM AU, 1900 AND 3000 PPM CU, 800 AND 20000 PPM PB, 220 AND 6000 PPM ZN, 50 AND GT 100 PPM SB. |
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| 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 | Trimble Granite;Intrusive Bodies And Related Rocks (Younger And Older Bodies Of Chicago Basin Stock) | ||||||||||||||||||
| Rock description | Trimble Granite;Intrusive Bodies And Related Rocks (Younger And Older Bodies Of Chicago Basin Stock) | ||||||||||||||||||
| |||||||||||||||||||
| Host or associated | Host | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||||||||||||||||
| Rock unit name | Trimble Granite | ||||||||||||||||||
| Rock description | Trimble Granite | ||||||||||||||||||
| |||||||||||||||||||
| (1) | -107.60563, 37.57112 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Uplift, San Juan Basin, San Juan Volcanic Field |
| Type of structure | Local |
| Structure description | Needle Mtns Uplift, Chicago Basin Stock, Eolus Batholith, Trimble Stock |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Needle Mountain (Tacoma, Florida, Vallecito) District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | San Juan N. F. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010713 |
SCHMITT, L.J., AND RAYMOND, W.H., 1977, GEOLOGY AND MINERAL DEPOSITS OF THE NEEDLE MOUNTAINS DISTRICT, SOUTHWESTERN COLORADO: USGS BULL. 1434, 40 P.
STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F, P. 30-32, 55-67, 105-107, 164-165.
CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.
| Subject category | Comment text |
|---|---|
| Deposit | TUNNEL DEVELOPED ON QUARTZ VEIN TRENDING N 10 W, 70 NE, WHICH IS PART OF PRINCIPAL CONTINUOUS RADIAL FAULT OR FRACTURE CENTERED ON CHICAGO BASIN STOCK. SHAFT SUNK ON DETACHED SOUTHERN SEGMENT OF SAME VEIN ON SAME TREND. |
| 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.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.