| Deposit ID | 10089296 |
|---|---|
| MRDS ID | W015717 |
| MAS/MILS ID | 0160590330 |
| Record type | Site |
| Current site name | Viola Mine |
| Alternate or previous names | Nicholia-Viola Mine, Nicholia Mine, Viola Zinc Property |
| Geographic coordinates: | -112.3478, 44.37684 (WGS84) |
|---|---|
| Elevation | 2621 |
| Relative position | 1.75 MI ENE OF NICHOLIA |
Political divisions (FIPS codes)
Clark(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Paul Reservoir(quadrangle 1:24,000 scale)
Dubois(quadrangle 1:100,000 scale)
Dubois(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Beaver-Camas(hydrologic unit)
Upper Snake(hydrologic accounting unit)
Upper Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Caribou-Targhee National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Idaho | Lemhi |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 012N | 029E | 15,14 | W2NW (14) | Idaho |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Secondary |
| Silver | Secondary |
| Copper | Tertiary |
| Gold | Tertiary |
| Materials | Type of material |
|---|---|
| Anglesite | Ore |
| Galena | Ore |
| Plumbojarosite | Ore |
| Smithsonite | Ore |
| Sphalerite | Ore |
| Iron | Gangue |
| Limonite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Sand | Gangue |
| Result | SAMPLES OF LEAD CARBONATE ORE HAD 20-60% PB AND 5-15 OZ AG/TON |
|---|---|
| Result | A ZINC ORE SAMPLE (SMITHSONITE) ASSAYED 45% ZN, 0.5% PB, TRACE AG |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone | ||
| Rock description | Limestone;Quartzite;Limestone | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite |
| (1) | Sediments and sedimentary rocks (Pleistocene and Pliocene). |
|---|
| Type of structure | Local |
|---|---|
| Structure name | Folding |
| Type of structure | Local |
| Structure name | Faulting |
| General form | IRREGULAR, STRINGERS |
|---|---|
| Thickness | 21.34M |
| Length | 762M |
| Width | 15.24M |
| Depth to bottom | 82.3M |
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1880 |
| Year of first production | 1882 |
| District name | Nicholia District |
|---|---|
| District name | Italian Peak Rare II Area |
| Ownership category | National Forest |
|---|---|
| Area name | Targhee National Forest |
| Year | 1925 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1924-1925 | ||||||||||||||||||||||||||||
| Material | CON | ||||||||||||||||||||||||||||
| Description | Cp_Grade: ^31 % Pb, 7.5 % Zn, 7.5 Oz Ag/Ton | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 53.34M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W015717 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | DU_479 | http://www.idahogeology.org/ |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0160590330 | data consolidated into this record |
Shenon, P. J., 1928, Geology And Ore Deposits Of The Birch Creek District, Idaho: Idaho Bureau Of Mines And Geology, Pamphlet 27, 25 P.
Items 8, 9, Shenon, P. J., 1928, Idaho Bureau Of Mines And Geology Pamphlet 27; Items 10-12, Anderson, A. L., And Wagner, W. R., 1944, Idaho Bureau Of Mines And Geology Pamphlet 70
Anderson, A. L., And Wagner, W. R., 1944, Lead-Zinc-Copper Deposits Of The Birch Creek District, Clark And Lemhi Counties, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 70, P. 36-42
Umpleby, J. B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 104 P.
U.S. Bureau Of Mines Open-File Report MLA 53-83, 1983, Table 1, No. 15, P. 18.
| Subject category | Comment text |
|---|---|
| Deposit | Lead Ore Localized Within 3 Large, Irregular Bodies; Dips Varied, As Dip Steepened, Ore Was Pinched Out; Zinc Ore Bodies Are Confined To Undersides Of Lead Ore Bodies And Are 1-10 Ft. Thick |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1976 | Benjamin, David A.; Miller, Pat | U.S. Geological Survey | |
| Reporter | 19-MAY-1992 | Lambeth, Robert H. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.