| Deposit ID | 10078303 |
|---|---|
| MRDS ID | W026572 |
| Record type | Site |
| Current site name | Hamilton Vermiculite Deposit |
| Geographic coordinates: | -113.88927, 46.26183 (WGS84) |
|---|---|
| Elevation | 2256 |
| Relative position | 12 MILES EAST OF HAMILTON, MONTANA (APPROXIMATE) |
Political divisions (FIPS codes)
Ravalli(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Willow Mountain(quadrangle 1:24,000 scale)
Philipsburg(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Bitterroot(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Bitterroot National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Ravalli |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 006N | 018W | 18,19 | Montana |
| Commodity | Importance |
|---|---|
| Vermiculite | Primary |
| Materials | Type of material |
|---|---|
| Magnetite | Gangue |
| Sphene | Gangue |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite | ||
| Rock unit name | Newland Formation | ||
| Rock description | Newland Formationt | ||
| |||
| (1) | Pyroxenite and syenite |
|---|
| General form | IRREGULAR |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1930 |
| Discoverer | S. H. (Swift) Chamberlain |
| District name | Sapphire Mountains Area |
|---|
| Ownership category | National Forest |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W026572 |
PERRY, E. S., 1948 , TALC, GRAPHITE, VERMICULITE AND ASBESTOS IN MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 27 , P. 28 - 30
| Subject category | Comment text |
|---|---|
| Deposit | VERMICULITE HAS BEEN OBSERVED ACROSS AN AREA 3 MILES LONG (PERRY, 1948) |
| Deposit | THIS DEPOSIT IS IN THE SAPPHIRE TECTONIC BLOCK WHICH SOME CONSIDER TO HAVE SLID OFF THE IDAHO BATHOLITH IN THE TERTIARY |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1977 | Mc Kenzie, Craig L.; R. B. Berg | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.