| Deposit ID | 10008404 |
|---|---|
| MRDS ID | D000518 |
| Record type | Site |
| Current site name | Big Ben |
| Geographic coordinates: | -110.71751, 46.96658 (WGS84) |
|---|---|
| Relative position | IN THE LITTLE BELT MTNS IN LEWIS & CLARK NATIONAL FOREST; 61 MILES SE OF GREAT FALLS |
Political divisions (FIPS codes)
Cascade(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Neihart(quadrangle 1:24,000 scale)
White Sulphur Springs(quadrangle 1:100,000 scale)
White Sulphur Springs(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Belt(hydrologic unit)
Upper Missouri(hydrologic accounting unit)
Missouri-Marias(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Helena-Lewis and Clark National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Cascade |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 014N | 008E | 21 | Montana |
| Commodity | Importance |
|---|---|
| Molybdenum | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Molybdenite | Ore |
| Molybdite | Ore |
| Sphalerite | Ore |
| Result | AVERAGE GRADE-0.33% MOS2 |
|---|
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Rock unit name | Pinto Diorite;Carpenter Creek Granite Porphyry;Snow Creek Quartz Porphyry |
| Rock description | Pinto Diorite;Carpenter Creek Granite Porphyry;Snow Creek Quartz Porphyry |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | -110.71751, 46.96658 |
|---|
| General form | ELLIPSOIDAL |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1922 |
| District name | Neihart Mining Dist. |
|---|
| Type | Operator |
|---|---|
| Owner | Amax, Inc. |
| Type | Owner |
|---|---|
| Owner | Frank Mansikka |
| Home office | Neihart, Montana |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D000518 |
SCHAFER, P., 1935, GEOLOGY AND ORE DEPOSITS OF THE NEIHART MINING DIST. MONTANA: MONTANA BUR. OF MINING & GEOL. MEMO 13
HORTON, F., 1916, MOLYBDENUM ITS ORE AND THEIR CONCENTRATION: U.S.B.M. BULL. 111
HERDLICK, J.A., 1949, R.I 4406
1893 RECON W.H. WEED
1938 DIREXPL FEDERAL MINING & SMELTING CO
1943 GEOLMAP S. CREASEY & E. SCHOLZ
1962 DIREXPL AMAX
ITEM 1: R.U. KING ITEM 2: MONT. B.M.&G. BULL. 111
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1974 | King, Robert U. | U.S. Geological Survey | PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD |
| Editor | 09-JUN-1995 | Mosier, Dan | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.