| Deposit ID | 10103894 |
|---|---|
| MRDS ID | M060809 |
| Record type | Site |
| Current site name | Free Enterprise Mine |
| Alternate or previous names | Silver Bell |
| Geographic coordinates: | -112.14866, 46.25573 (WGS84) |
|---|---|
| Elevation | 1676 |
Political divisions (FIPS codes)
Jefferson(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mount Thompson(quadrangle 1:24,000 scale)
Butte North(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Boulder(hydrologic unit)
Missouri Headwaters(hydrologic accounting unit)
Missouri Headwaters(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Jefferson |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 006N | 004W | 19 | Montana |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Uranium | Primary |
| Lead | Secondary |
| Copper | Secondary |
| Zinc Critical | Secondary |
| Molybdenum | Tertiary |
| Barium-Barite Critical | Tertiary |
| Arsenic Critical | Tertiary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Molybdenite | Ore |
| Pitchblende | Ore |
| Silver | Ore |
| Uraninite | Ore |
| Barite | Gangue |
| Limonite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | ORE SHIPMENTS CONTAINED 5 TO 133 OZ AG/TON AND 0.14 TO 1.61% U3O8 |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| Rock unit name | Aplite Alaskite Dike (Boulder Batholith);Butte Quartz Monzonite |
| Rock description | Aplite Alaskite Dike (Boulder Batholith);Butte Quartz Monzonite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
| Rock unit name | Butte Quartz Monzonite;Aplite And Alaskite Dikes |
| Rock description | Butte Quartz Monzonite;Aplite And Alaskite Dikes |
| (1) | -112.14866, 46.25573 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Boulder Batholith |
| General form | TABULAR, PODS |
|---|---|
| Strike | N65E |
| Dip | 75-90N |
| Thickness | 0.91M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1949 |
| Discoverer | Sanford Davis |
| District name | Boulder District |
|---|
| Type | Operator |
|---|---|
| Owner | John Lewis, Elkhorn Mining Co., Boulder Bank Bldg. Boulder Mt. 59632 |
| Type | Owner |
|---|---|
| Owner | Elkhorn Mining Co. |
| Home office | Boulder, Mt 59632. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M060809 |
USGS BULL 988-G, P. 143-155.
MBMG BULL 16, P. 39-40.
USGS PP 428, P. 20, 40-42, 94, PL. 1.
1950 GEOLMAP ROBERTS, W., USGS BULL., 988-
| Subject category | Comment text |
|---|---|
| Deposit | QUARTZ MONZONITE IS INTRUDED BY AT LEAST 2 FLAT-LYING SHEETS OF ALASKITE UP TO 25 FT THICK. URANIUM MINERALS NOT FOUND AT THE SURFACE. A CHALCEDONY VEIN CARRIES THE ORE. |
| Deposit | Discovery Year: ? (RADIOACTIVE MINERALS DISCOVERED 1949) |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Puffett, Willard P. | U.S. Geological Survey | |
| Updater | 01-JUN-1981 | Wise, Kristine K. (Elliott, James E.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.