| Deposit ID | 10019607 |
|---|---|
| MRDS ID | DC10931 |
| Record type | Site |
| Current site name | Mitchell Mine |
| Geographic coordinates: | -113.26425, 46.33683 (WGS84) |
|---|---|
| Elevation | 1798 |
| Relative position | 2.2 KM E OF PHILIPSBURG. |
Political divisions (FIPS codes)
Granite(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Philipsburg(quadrangle 1:24,000 scale)
Philipsburg(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Flint-Rock(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Beaverhead-Deerlodge National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Granite |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 007N | 013W | 29,30 | Montana |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Primary |
| Lead | Secondary |
| Manganese Critical | Secondary |
| Zinc Critical | Secondary |
| Arsenic Critical | Tertiary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Pyrite | Gangue |
| Quartz | Gangue |
| Rhodochrosite | Gangue |
| Result | ORE 15-20% PB, 35 OZ/TON AG, $3-4/TON AU. |
|---|
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||
| Rock unit name | Philipsburg Batholith | ||||||
| Rock description | Philipsburg Batholith | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| (1) | -113.26425, 46.33683 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Philipsburg Batholith |
| Type of structure | Local |
| Structure description | Philipsburg Anticline, Philipsburg Overthrust |
| General form | TABULAR, VEINLETS |
|---|---|
| Strike | N74E |
| Dip | 66 S |
| Thickness | 0.3M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Production years | PRE-1907 |
| District name | Philipsburg (Granite-Flint Creek) District |
|---|
| Type | Owner |
|---|---|
| Owner | Mr. Larry Donlan |
| Type of workings | Underground |
|---|---|
| Length | 243.84M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC10931 |
USGS PP 78, P. 207.
USGS BULL 1237. PLATES
EMMONS AND CALKINS, 1913, USGS PP 78.
| Subject category | Comment text |
|---|---|
| Deposit | NEAR SURFACE OXIDIZED ORE CARRIES SOME NATIVE AG. PRINCIPLE ORE SHOOT RUNS FROM 30 FT FROM THE PORTAL EAST FOR 170 FT WHERE FISSURE THEN NARROWS TO 6 IN WIDTH. FARTHER E IT BECOMES WIDER AND INCLOSES A LARGE PROPORTION OF ZINC BLENDE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-JAN-1980 | Wise, Kristine K. (Elliott, James E.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.