| Deposit ID | 10014263 |
|---|---|
| MRDS ID | D010960 |
| Record type | Site |
| Current site name | Pyramid Group |
| Alternate or previous names | Patented Claims: Princess Nos. 1-2, MS 17971, Pyramid Nos. 1-4, MS 17971, Derby Nos. 1-4, MS 17971, Kentucky Boy Nos. 1-3, MS 17971, Throughbred Nos. 1-4, MS 17971 |
| Geographic coordinates: | -109.03208, 38.52582 (WGS84) |
|---|---|
| Elevation | 1963 |
| Location accuracy | 100(meters) |
| Relative position | 19.3 MILES N 56 W FROM URAVAN |
Political divisions (FIPS codes)
Mesa(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dolores Point South(quadrangle 1:24,000 scale)
Moab(quadrangle 1:100,000 scale)
Moab(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Dolores(hydrologic unit)
Upper Colorado-Dolores(hydrologic accounting unit)
Upper Colorado-Dolores(hydrologic subregion)
Upper Colorado(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Colorado | Mesa |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 049N;049N | 019W;020W | 07;01,12 | Colorado |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Chromium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Chalcopyrite | Ore |
| Enargite | Ore |
| Calcite | Gangue |
| Result | 14 SAMPLES FROM SURFACE CUT CONTAINED 1.31 TO 8.52 % CU AND LESS THAN 0.20 % CR203. |
|---|
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Rock unit name | Wingate Sandstone;Chinle Formation |
| Rock description | Wingate Sandstone;Chinle Formation |
| (1) | -109.03208, 38.52582 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Paradox Basin Fold And Fault Belt |
| Type of structure | Local |
| Structure description | Sinbad Valley Anticline, Sinbad Valley Graben |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1906 |
| Discoverer | Pyramid Mining And Milling Co. (Claimant) |
| Year of first production | 1908 |
| District name | Sinbad District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Colorado Copper Co. |
| First year | 1945 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010960 |
HOLMES, R.V., AND HARRER, C.M., 1952, INVESTIGATION OF THE COLORADO COPPER CO. PROPERTIES, MESA AND MONTROSE COUNTIES, COLORADO: USBM RI-4869.
BLM MINERAL SURVEY MS 17971
| Subject category | Comment text |
|---|---|
| Deposit | MUCH OF INTERIOR OF SINBAD VALLEY CONSISTS OF DEFORMED PENNSYLVANIAN EVAPORITES, SOME IN FAULT CONTACT WITH TRIASSIC AND PERMIAN RED BEDS. IN PYRAMID TUNNEL, WEST- TO SW-DIPPING WINGATE SANDSTONE OVERLIES ALTERED CHINLE FM. CU MINERALIZATION OCCURS IN FRACTURES, WITH CONSIDERABLE DISPERSION INTO SANDSTONE. ALTHOUGH NO SOURCE FISSURE WAS EXPOSED, A VERTICAL POSTMINERAL FAULT TRENDING N 45 W DISPLACES DEPOSIT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-83 | Schwochow, Stephen D. | Colorado Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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