| Deposit ID | 10019594 |
|---|---|
| MRDS ID | DC10906 |
| Record type | Site |
| Current site name | Helena-Jefferson Mine |
| Geographic coordinates: | -112.04671, 46.35684 (WGS84) |
|---|---|
| Elevation | 1494 |
| Relative position | 3.5 KM SW OF JEFFERSON CITY. |
Political divisions (FIPS codes)
Jefferson(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Wickes(quadrangle 1:24,000 scale)
Butte North(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Missouri(hydrologic unit)
Upper Missouri(hydrologic accounting unit)
Missouri-Marias(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Jefferson |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 007N | 004W | 13 | NE | Montana |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Silver | Primary |
| Zinc Critical | Primary |
| Copper | Secondary |
| Molybdenum | Tertiary |
| Materials | Type of material |
|---|---|
| Alabandite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Molybdenite | Ore |
| Rhodonite | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Rhodochrosite | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| Rock unit name | Boulder Batholith |
| Rock description | Boulder Batholith |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| (1) | -112.04671, 46.35684 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Boulder Batholith |
| Strike | NW |
|---|---|
| Dip | 50NE |
| Width | 1.83M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1928 |
| Year of last production | 1928 |
| District name | Alahambra (Golconda) District |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Helena-Jefferson Mine Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC10906 |
USGS PP 428, PL. 1
MBMG BULL-16, P. 51, 109.
USGS BULL 842, P. 238-40.
MBMG BULL 16, P. 109.
| Subject category | Comment text |
|---|---|
| Deposit | 6 VEINS ON PROPERTY BUT ONLY ONE (1928) WAS WORKED, THE HELENA VEIN. BETWEEN A HANGING WALL OF APLITE AND A FOOTWAL OF QUARTZ MONZONITE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-MAY-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.