| Deposit ID | 10009167 |
|---|---|
| MRDS ID | D001874 |
| Record type | Site |
| Current site name | Blake Mine |
| Geographic coordinates: | -71.21613, 42.99998 (WGS84) |
|---|
Political divisions (FIPS codes)
Rockingham(county)
New Hampshire(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Sandown(quadrangle 1:24,000 scale)
Lowell(quadrangle 1:100,000 scale)
Boston(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Piscataqua-Salmon Falls(hydrologic unit)
Saco(hydrologic accounting unit)
Saco(hydrologic subregion)
New England(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | New Hampshire | Rockingham |
| Commodity | Importance |
|---|---|
| Niobium (Columbium) Critical | Primary |
| Tantalum Critical | Primary |
| Feldspar | Primary |
| Materials | Type of material |
|---|---|
| Columbite | Ore |
| Tantalite | Ore |
| (1) | -71.21613, 42.99998 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D001874 |
OLSON, J. C., 1950, FELDSPAR AND ASSOCIATED PEGMATITE MINERALS IN NEW HAMPSHIRE, NEW HAMPSHIRE STATE PLANNING AND DEVELOPMENT COMM. MINERAL RESOURCES SURVEY, PT. 24
| 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.