| Deposit ID | 10242489 |
|---|---|
| MAS/MILS ID | 0230170005 |
| Record type | Site |
| Current site name | Buckfield Pegmatite |
| Alternate or previous names | Bennett Feldspar Quarry |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -70.42582, 44.29216 (WGS84) |
| Elevation | 241 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Oxford(county)
Maine(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
West Sumner(quadrangle 1:24,000 scale)
Lewiston(quadrangle 1:100,000 scale)
Lewiston(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 | Oxford |
| Commodity | Importance |
|---|---|
| Beryllium Critical | Tertiary |
| Feldspar | Tertiary |
| Mica | Tertiary |
| Niobium (Columbium) Critical | Tertiary |
| Quartz | Tertiary |
| Tantalum Critical | Tertiary |
| Tin Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Apatite | Unknown |
| Beryl | Unknown |
| Biotite | Unknown |
| Cassiterite | Unknown |
| Columbite | Unknown |
| Garnet | Unknown |
| Lepidolite | Unknown |
| Manganotantalite | Unknown |
| Microcline | Unknown |
| Muscovite | Unknown |
| Pollucite | Unknown |
| Quartz | Unknown |
| Spodumene | Unknown |
| Topaz | Unknown |
| Tourmaline | Unknown |
| Trench (1) | -70.42582, 44.29216 |
|---|
| Thickness | 21M | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Length | 427M | ||||||||||||||||||||||
| Area | 10HA | ||||||||||||||||||||||
| |||||||||||||||||||||||
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Both |
| Significant | No |
| Discovery year | 1920 |
| District name | Paris-Rumford |
|---|
| Type of mineral rights | Fee Ownership |
|---|---|
| Type of mineral rights | Private Lease |
| Type of mineral rights | Minerals Only |
| Ownership category | Private |
|---|
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1942 | ||||||||||||||
| Inferred | 7mt ore | ||||||||||||||
| Total resources | 7mt ore | ||||||||||||||
| |||||||||||||||
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1942 | ||||||||||||||
| Measured | 14000mt ore | ||||||||||||||
| Indicated | 23000mt ore | ||||||||||||||
| Demonstrated | 37000mt ore | ||||||||||||||
| Inferred | 23000mt ore | ||||||||||||||
| Total resources | 60000mt ore | ||||||||||||||
| |||||||||||||||
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1942 | ||||||||||||||
| Inferred | 500mt ore | ||||||||||||||
| Total resources | 500mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0230170005 |
KILLEEN P.,NEWMAN W. TIN IN US- MINERAL RESOURCE MAP 44 PG.
CAMERON E. &OTHERS PEGMATITE INVESTG. IN NEW ENGLAND,1942-45
PP 255 ;1954. PGS. 58-60
USBM WAR MINERALS REPORT NO. 91.279; 1943
| Subject category | Comment text |
|---|---|
| Deposit | SEVERAL THOUSAND TONS OF FELDSPAR HAS BEEN P FROM THIS MINE AND RESERVES AMOUNT TO TENS OF THOUSANDS OF FROM USGS PP 255 PG. 60.-OTHER COMMODS. LISTED COULD BE BYPR REC/050 COLS. 30-31 THE MINEROLOGY OF THE PEGMATITE WAS STUD 1923-24 BY LANDES (1925). AN ADDITIONAL COMMODITY THAT CAN BE RECOVERED AS A UCT OF FELDSPAR MINING IS COLUMBITE-TANTALITE. OTHER DONATES SHEETLIKE BODY. OTHER DONATES WALLROCK ALTER. AS "TOURMAL -ENRICHED IN MUSCOVITE. DIPS OF THE PEGMATITE FOLIATION IS VARIABLE IN QUARRY AR . AV. THICKNESS OF MINERALIZED ZONE IS UNDE . THE WIDTH VARIES FROM 25-30 FT. ALONG MOST O EXPOSED PART,BUT WIDENS TO NEARLY 400 FT. EAST OF QUARRY FAC RESERVES: A RESERVE OF 10-15000 TONS OF FELDSPAR SEEMS VIRTU ASSURED. LARABEE (WMR 1942) ESTIMATED THAT 16 TONS OF BERYL M REMOVED-POSSIBLY 50 FROM THE ENTIRE MASS-AND NOT TO EXCEED 1 FROM THE DUMPS. POSSIBLY 10 TONS OF COLUMBITE-TANTALITE AND SIMILAR QUANTITY OF CASSITERITE. POSSIBLY 500 TONS SCRAP MICA (THIS UNNAMED PEGMATITE IS VERTICAL IN THE US FORMATION. DATE OF COMMENTS 1975. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Harrison | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.