| Deposit ID | 10087600 |
|---|---|
| MRDS ID | D008063 |
| Record type | Site |
| Current site name | Kate Mine |
| Alternate or previous names | Silver Bar |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -105.45363, 38.14473 (WGS84) |
| Elevation | 2431 |
| Location accuracy | 10(meters) |
| Relative position | 0.9 MILES N55W FROM THE JUNCTION OF SR96 AND CR277 IN SILVER CLIFF, CO. |
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 | 17 | NE OF NW OF NE | Colorado |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Secondary |
| Copper | Secondary |
| Iron | Secondary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Bromyrite | Ore |
| Cerargyrite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Barite | Gangue |
| Fluorite | Gangue |
| Model code | 82 |
|---|---|
| USGS model code | 22 |
| Deposit model name | Epithermal veins |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||
| Rock unit name | Silver Cliff Rhyolite Unit 3 | ||
| Rock description | Silver Cliff Rhyolite Unit 3 | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Pit (1) | -105.45363, 38.14473 |
|---|
| 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, North-Trending Faults |
| Strike | "A LITTLE WEST OF NORTH" |
|---|---|
| Dip | STEEP |
| Width | 0.91M |
| Depth to top | 0M |
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1885 |
| District name | Silver Cliff District |
|---|
| Ownership category | Private |
|---|
| Year | 1800 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | Late 1800s | ||||||||||||||
| Material | silver ore | ||||||||||||||
| Ore mined | 9000mt | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Cp_Grade: ^10 Oz/Ton Enriched To 100 Oz/Ton | ||||||||||||||
| |||||||||||||||
| Year | 1919 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | AG ORE | ||||||||||||||||||||||||||||
| Accuracy | Accurate | ||||||||||||||||||||||||||||
| Description | Ap_Grade: ^40 Oz/Ton Ag, 6% Cu, 5% Pb | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Year | 1921 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | AG ORE | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^20 Oz/Ton Ag | ||||||||||||||
| |||||||||||||||
| Year | 1934 | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | AG ORE | ||||||||||||||||||||||||||||||||||||||||||
| Accuracy | Estimate | ||||||||||||||||||||||||||||||||||||||||||
| Description | Ap_Grade: ^35 Oz/Ton Ag, 6.5% Pb, .75% Cu, 33.6% Fe, 2.75% S | ||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||
| Year | 1935 | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | AG ORE | |||||||||||||||||||||||||||||||||||
| Accuracy | Accurate | |||||||||||||||||||||||||||||||||||
| Description | Ap_Grade: ^4.79 Oz/Ton Ag, 6.0% Pb, 2.05% Cu, 32% Fe | |||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||
| Type of workings | Underground |
|---|---|
| Length | 182.88M |
| Overall depth | 56.39M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D008063 |
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.
FIELDMAN, D.W. 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.
SHARP, W.N., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAP I-1081, 1:24,000.
5) KOCH, G.S., JR., 1971, STATISTICAL ANALYSIS OF ASSAY DATA FROM THE ROUND MOUNTAIN SILVER PROSPECT, CUSTER COUNTY, COLORADO: USBM REPORT OF INVESTIGATIONS 7486, 32 P.
EMMONS, S.F., 1896, COLO. DIV. MINES INSPECTION RECORDS
| Subject category | Comment text |
|---|---|
| Deposit | Discovery Year: 1880'S |
| Deposit | "PAY SEAM" 18 INCHES WIDE, EXTENDING TO 3 FT WIDE |
| 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.