| Deposit ID | 10070469 |
|---|---|
| MRDS ID | W013415 |
| Record type | Site |
| Current site name | Leonard Mine |
| Related records | 10172707 |
| Geographic coordinates: | -112.50506, 46.02073 (WGS84) |
|---|---|
| Elevation | 1524 |
| Location accuracy | 500(meters) |
| Relative position | E OF THE BERKELEY PIT. |
Political divisions (FIPS codes)
Silver Bow(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Butte North(quadrangle 1:24,000 scale)
Butte North(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Clark Fork(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Silver Bow |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 003N | 007W | 07 | CENTER OF SW | Montana |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Secondary |
| Tungsten Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Covellite | Ore |
| Enargite | Ore |
| Huebnerite | Ore |
| Tetrahedrite | Ore |
| Barite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| 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 | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| (1) | -112.50506, 46.02073 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Boulder Batholith |
| Type of structure | Local |
| Structure description | Rarus Fault |
| Strike | N70E |
|---|---|
| Dip | STEEPLY SOUTH |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1886 |
| Year of first production | 1887 |
| District name | Butte District |
|---|
| Type | Operator |
|---|---|
| Owner | The Anaconda Co., Butte, Montana |
| Type | Owner |
|---|---|
| Owner | The Anaconda Co., Butte, Montana 59701 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W013415 |
MILLER, R. N., ED., 1973, GUIDEBOOK FOR THE BUTTE FIELD MEETING, PRESENTED BY THE SOCIETY OF ECONOMIC GEOLOGISTS
USGS PP 74, P. 210-15, PL. X.
MBMG BULL 109, P. 19.
MILLER, 1973, GUIDEBOOK FOR BUTTE FIELD MEETING
| Subject category | Comment text |
|---|---|
| Deposit | COPPER MINERALIZATION OCCURS IN HORSETAIL ORE BODIES AND NW-TRENDING MAIN STAGE VEINS. THE ORE BODY IN PLACES CONSISTED OF A MASS OF CRUSHED GRANITE. THE GROUND BETWEEN THE VEINS WERE NETTED AND THAT LESSER STREAKS ARE ABUNDANT AND IN MANY PLACES THE GRANITE WAS COBWEBBED WITH ORE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1976 | Mlynarczyk, Meg S.; Krohn, D. | U.S. Geological Survey | |
| Updater | 01-JAN-1983 | Wise, Kristine K. (Elliott, James E.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.