| Deposit ID | 10094572 |
|---|---|
| MRDS ID | D009461 |
| Record type | Site |
| Current site name | Cotopaxi Prospect |
| Alternate or previous names | Sand Gulch Prospect. |
| Geographic coordinates: | -105.67475, 38.41612 (WGS84) |
|---|---|
| Elevation | 2335 |
| Relative position | 3.4 MILES N15E OF COTOPAXI |
Political divisions (FIPS codes)
Fremont(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Arkansas Mountain(quadrangle 1:24,000 scale)
Canon City(quadrangle 1:100,000 scale)
Pueblo(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Arkansas Headwaters(hydrologic unit)
Upper Arkansas(hydrologic accounting unit)
Upper Arkansas(hydrologic subregion)
Arkansas-White-Red(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management CO)
Bureau of Land Management CO BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Colorado | Fremont |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 048N | 012E | 08,17 | SW OF SW OF SW (08); NW (17) | Colorado |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Zinc Critical | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Sphalerite | Ore |
| Hornblende | Gangue |
| Microcline | Gangue |
| Quartz | Gangue |
| Result | CU (0.02-0.82%), AG (0.2-0.5 OZ/TON), ZN (0.01-0.02%) |
|---|
| Model code | 271 |
|---|---|
| USGS model code | Unassigned |
| Deposit model name | Stratabound Precambrian sulfide, Colorado and Wyoming |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| Rock unit name | Granodiorite Of Boulder Creek Age | ||||
| Rock description | Granodiorite Of Boulder Creek Age | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | -105.67475, 38.41612 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Thirtynine Mile Volcanic Field, Wet Mountains |
| Type of structure | Local |
| Structure description | Cotopaxi Fault |
| General form | LENSES |
|---|
| Operation type | Underground |
|---|---|
| Development status | Prospect |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Cotopaxi District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type of workings | Underground |
|---|---|
| Length | 81.08M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D009461 |
VANDERWILT, J.W., 1947, MINERAL RESOURCES OF COLORADO: COLORADO MINERAL RESOURCES BOARD, P. 83-85.
TAYLOR, R.B., SCOTT, G.R., WOBUS, R.A., EPIS, R.C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE COTOPAXI 15-MINUTE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-900, 1:62,500
LINDGREN, WALDEMAR, 1907, NOTES ON COPPER DEPOSITS IN CHAFFEE, FREMONT, AND JEFFERSON COUNTIES, COLORADO: USGS BULLETIN 340, P. 157-174.
5) HARRER, C.M. AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM INFORMATION CIRCULAR 7918, 82 P.
COKER, R.J., 1982, MINERAL RESOURCES OF THE ARKANSAS CANYON PLANNING UNIT WITH SPECIAL EMPHASIS ON THE FORMER GRAPE CREEK WILDERNESS STUDY AREAS AND THE MCINTYRE HILLS WILDERNESS STUDY AREA: US BLM MINERAL REPORT, P. 68-70
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1982 | Collins, Donna B. | 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.