| Deposit ID | 10400260 |
|---|---|
| Record type | Site |
| Mineralized Area | Cave Basin Mineralized Area |
| Current site name | Cave Basin area |
| Alternate or previous names | includes Mary Murphy, Holbrook, and Silver Reef mines |
| Point of reference | Approximate |
|---|---|
| Geographic coordinates: | -107.47734, 37.48364 (WGS84) |
| Location accuracy | 5000(meters) |
| Relative position | vaguely located on the La Plata/Hinsdale County line to include propects on the Granite Peak topo. center of "district" probably within 3 km. |
Political divisions (FIPS codes)
Hinsdale(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Granite Peak(quadrangle 1:24,000 scale)
Durango(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper San Juan(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)
| Country | State | County |
|---|---|---|
| United States | Colorado | Hinsdale |
| United States | Colorado | La Plata |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Copper | Primary |
| Lead | Primary |
| Gold | Secondary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Malachite | Ore |
| Azurite | Ore |
| Siderite | Ore |
| Calcite | Unknown |
| Hematite | Unknown |
| Limonite | Unknown |
| Model code | 72 |
|---|---|
| USGS model code | 19a |
| Deposit model name | Polymetallic replacement |
| Mark3 model number | 47 |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone | ||||
| Rock type qualifier | 50 ft-thick bed of hematitic sandy limestone | ||||
| |||||
| Approximate (1) | -107.47734, 37.48364 |
|---|
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Significant | No |
| District name | Cave Basin area |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | San Juan N. F. |
Neubert and others, 1992, MIneral appraisal of the San Juan National Forest: USBM MLA 2-92, p. 243-244, pl. 2.
Steven and others, 1969, Mineral Resources of the San Juan Primitive area, Colorado: USGS Bull. 1261-F, p. 113, fig.7, p. 110.
Korzeb and Scott, 1985, Mineral investigation of the Weminuche Wilderness additions, Hinsdale, La Plata, MIneral, and San Juan counties, Colorado: USBM MLA 19-85, p. 17-18, pl. 2, fig. 8, p. 69.
| Subject category | Comment text |
|---|---|
| Deposit | Mineralized area Includes Holbrook, Mary Murphy, and Silver Reef mines. |
| Deposit | Colorado mineralized area map shows Cave Basin to be Au-Te veins, not polymetallic replacements. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-JUN-08 | Wilson, Anna B. | U.S. 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.