| Deposit ID | 10019756 |
|---|---|
| MRDS ID | DC11384 |
| Record type | Site |
| Current site name | Midnight Mine |
| Alternate or previous names | Midnite Mine |
| Related records | 10232330 |
| Geographic coordinates: | -112.88645, 45.30684 (WGS84) |
|---|---|
| Elevation | 2146 |
| Relative position | 2 AIR MILES NW OF ARGENTA |
Political divisions (FIPS codes)
Beaverhead(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ermont(quadrangle 1:24,000 scale)
Dillon(quadrangle 1:100,000 scale)
Dillon(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Beaverhead(hydrologic unit)
Missouri Headwaters(hydrologic accounting unit)
Missouri Headwaters(hydrologic subregion)
Missouri(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 | Beaverhead |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 006S | 011W | 13 | SE OF SE | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Lead | Primary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Pyrite | Gangue |
| Quartz | Gangue |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Rock unit name | Missoula |
| Rock description | Missoula |
| (1) | -112.88645, 45.30684 |
|---|
| General form | PINCH AND SWELL |
|---|---|
| Strike | N 40 W |
| Dip | 70 N |
| Depth to top | 0M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1875 |
| Discoverer | Robert Wing |
| Production years | PRE-1900 |
| District name | Argenta District |
|---|
| Ownership category | Private |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | P. S. Antonioli |
| Home office | Butte, Mt. |
| First year | 1976 |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 80.77M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC11384 |
USGS BULL 574, P. 67.
MBMG BULL 6, P. 73.
MBMG BULL 46, P. 5.
MBMG BULL 103, P. 3.
1914 COMPILE WINCHELL, A.N., U.S. GEOL. SUR. BULL. 574
1931 GEOLMAP M.B.M.G. BULL. 6
M.B.M.G. BULL. 85
| Subject category | Comment text |
|---|---|
| Deposit | VEIN VARIES IN WIDTH AND SPLITS IN SOME PLACES. CHIEF VALUE IN OXIDIZED ZONE (TO 200 FEET DEPTH) IS GOLD. IN SULFIDE ZONE VALUE IS IN LEAD AND SILVER. |
| Deposit | Discovery Year: 1870'S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-JUL-1980 | Loen, Jeffrey S. (Pearson, Robert C.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.