| Deposit ID | 10015880 |
|---|---|
| MRDS ID | DB02154 |
| Record type | Site |
| Current site name | Big Indian Mine |
| Geographic coordinates: | -112.0231, 46.53796 (WGS84) |
|---|---|
| Relative position | 4 MILES SOUTH OF HELENA |
Political divisions (FIPS codes)
Jefferson(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Helena(quadrangle 1:24,000 scale)
Elliston(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 | 009N | 003W | 18 | SE OF NE | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Pyrite | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Result | $5/TON AU. |
|---|
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||
| Rock unit name | Butte Quartz Monzonite (Boulder Batholith) | ||||||
| Rock description | Butte Quartz Monzonite (Boulder Batholith) | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
| (1) | -112.0231, 46.53796 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Boulder Batholith |
| Type of structure | Local |
| Structure description | Vertical Joint System; Aplite And Diorite Porphyry Dikes |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1875 |
| Discoverer | James Winscott |
| District name | Helena District |
|---|
| Type of workings | Surface/Underground |
|---|---|
| Area | 0.591HA |
| Overall length | 91.44M |
| Overall width | 60.96M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DB02154 |
MBMG BULL 16, P. 74-5, 105.
USGS BULL 842, P. 210
USGS BULL 57, P. 51, 100.
MBMG BULL 16, P. 105
| Subject category | Comment text |
|---|---|
| Deposit | THE ORE BODY IS A MINERALIZED STOCKWORK CONSISTING OF A MULTITUDE OF NET-LIKE VEINLETS OF IRON-STAINED QUARTZ, TOURMALINE, AND PYRITE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-1979 | Elliott, James E. | U.S. Geological Survey | |
| Updater | 01-JUL-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.