| Deposit ID | 10070988 |
|---|---|
| MRDS ID | W014154 |
| MAS/MILS ID | 0160370373 |
| Record type | Site |
| Current site name | Bronco Mine |
| Alternate or previous names | Apex, Golden Nugget, Mountain Girl |
| Geographic coordinates: | -114.95594, 44.25128 (WGS84) |
|---|---|
| Elevation | 1981 |
| Relative position | 3.5 MI NW OF LOWER STANLEY |
Political divisions (FIPS codes)
Custer(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Basin Butte(quadrangle 1:24,000 scale)
White Cloud Peaks(quadrangle 1:100,000 scale)
Challis(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Salmon(hydrologic unit)
Salmon(hydrologic accounting unit)
Lower Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Sawtooth National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Idaho | Custer |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 011N | 013E | 29 | SESE | Idaho |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Lead | Primary |
| Copper | Secondary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Chrysocolla | Ore |
| Malachite | Ore |
| Limonite | Gangue |
| Quartz | Gangue |
| Result | 2 CHIP SAMPLES OXIDIZED PART OF VEIN ASSAYED AT 0.42 OZ AU AND 2.46 OZ AG PER TON |
|---|---|
| Result | 5 CHIP SAMPLES TAKEN FROM VEIN EXPOSURES CONTAINED TRACE AU AND AG, 5.5% PB, 0.9% ZN, 0.09% CU. 19 SELECT DUMP SAMPLES CONTAINED FROM 0.01 - 0.35 OZ AU/TON, 0.01 - 2.63 OZ AG/TON, 0.02 - 5.50% PB, 0.003 - 0.06% ZN, TRACE - 0.41% CU. |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||
| Rock unit name | Idaho Batholith-Quartz Monzonite | ||||||
| Rock description | Idaho Batholith-Quartz Monzonite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
| (1) | -114.95594, 44.25128 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Idaho Batholith |
| Type of structure | Local |
| Structure description | Fault Zone, Brecciation |
| General form | LINEAR, STRINGERS |
|---|---|
| Strike | N 30 DEG E |
| Dip | 40 DEG SE |
| Thickness | 0.91M |
| Length | 640.08M |
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1895 |
| Discoverer | Patrick Lynch |
| District name | Valley Creek District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Challis National Forest |
| Type | Owner-Operator |
|---|---|
| Owner | Fred And Earl Shirts |
| Type of workings | Surface/Underground |
|---|---|
| Length | 68.58M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W014154 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | CH_476 | http://www.idahogeology.org/ |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0160370373 | data consolidated into this record |
CHOATE, RAOUL, 1962, GEOLOGY AND ORE DEPOSITS OF THE STANLEY AREA: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 126, 120 P.
1962 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 126
1974 RECON TSCHANZ, C. M., AND OTHERS, OPEN - FILE REPT.
TSCHANZ, C. M., AND OTHERS, 1974, USGS O. F. REPT., P. 484
VANNOY & OTHERS, 1986, USGS BULL.1545E, P.387, PL.3, NO.25
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1975 | Yett, Jay R.; Miller, Pat | U.S. Geological Survey | |
| Reporter | 30-JUN-1992 | McHugh, Edward L. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.