| Deposit ID | 10012429 |
|---|---|
| MRDS ID | D008052 |
| Record type | Site |
| Current site name | Racine Boy Mine |
| Geographic coordinates: | -105.4389, 38.13918 (WGS84) |
|---|---|
| Elevation | 2438 |
Political divisions (FIPS codes)
Custer(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Westcliffe(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)
| Country | State | County |
|---|---|---|
| United States | Colorado | Custer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 022S | 072W | 16 | SE OF SE OF NW | Colorado |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Iron | Tertiary |
| Manganese Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Cerargyrite | Ore |
| Galena | Ore |
| Goethite | Ore |
| Jarosite | Ore |
| Quartz | Gangue |
| Talc | Gangue |
| Model code | 82 |
|---|---|
| USGS model code | 22 |
| Deposit model name | Epithermal veins |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||
| Rock unit name | Silver Cliff Rhyolite Unit 2 | ||
| Rock description | Silver Cliff Rhyolite Unit 2 | ||
| |||
| (1) | -105.4389, 38.13918 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Silver Cliff Volcanic Center, Wet Mtns, Wet Mtn Valley |
| Type of structure | Local |
| Structure description | Silver Cliff Graben, Fault; Geyser Vent, Breccia Pipe |
| General form | PIPE |
|---|---|
| Strike | N 45 E |
| Dip | 15 N |
| Depth to top | 0M |
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1878 |
| Year of first production | 1880 |
| Year of last production | 1911 |
| District name | Silver Cliff District |
|---|
| Ownership category | Private |
|---|
| Type of workings | Surface/Underground |
|---|---|
| Length | 91.44M |
| Overall depth | 31.7M |
| Overall length | 91.44M |
| Overall width | 91.44M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D008052 |
CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.
EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT. 2, P. 405-472.
SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.
FIELDMAN, D.N. AND CROWLEY, F.P., 1980, SILVER DEPOSITS IN THE SOUTHERN PORTION OF THE SILVER CLIFF CALDERA, IN SILVER CLIFF VOLCANIC CENTER AND TALLAHASSEE CREEK URANIUM DEPOSITS: DENVER REGIONAL EXPLORATION GEOLOGISTS GUIDEBOOK, P. 1-14
| Subject category | Comment text |
|---|---|
| Deposit | SECOND RICHEST MINE IN DISTRICT |
| Deposit | PART OF ORE SMELTED AT ADELIA MILL; THE REST AT SILVER CLIFF MILL; SEE "GEYSER MINE" ENTRY FOR PRODUCTION INFORMATION-SILVER CLIFF, RACINE BOY AND GEYSER PRODUCTION STATISTICS HAVE HISTORICALLY BEEN COMBINEDWHEN REPORTED ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1981 | 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.