| Deposit ID | 10107757 |
|---|---|
| MRDS ID | D001855 |
| Record type | Site |
| Current site name | Russel Brothers Mica Mine |
| Geographic coordinates: | -69.91608, 43.91663 (WGS84) |
|---|
Political divisions (FIPS codes)
Cumberland(county)
Maine(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Brunswick(quadrangle 1:24,000 scale)
Bath(quadrangle 1:100,000 scale)
Bath(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Androscoggin River(hydrologic unit)
Androscoggin(hydrologic accounting unit)
Androscoggin(hydrologic subregion)
New England(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Maine | Sagadahoc |
| Commodity | Importance |
|---|---|
| Niobium (Columbium) Critical | Primary |
| Tantalum Critical | Primary |
| Feldspar | Primary |
| Mica | Primary |
| Materials | Type of material |
|---|---|
| Muscovite | Ore |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | -69.91608, 43.91663 |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Both |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D001855 |
| Subject category | Comment text |
|---|---|
| Deposit | PRODUCTION OF FELDSPAR AND MICA ONLY, COLUMBITE - TANTALITE IS FOUND IN PERTHITE - QUARTZ WALL ZONE ; INFO.SRC : 4 OTHER SRC |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1975 | Parker, Raymond L. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.