| Deposit ID | 10068084 |
|---|---|
| MRDS ID | W001008 |
| Record type | Site |
| Current site name | Highly Biotitic Gneiss Rock Quarry No. Bi-006 |
| Related records | 10143490 |
| Geographic coordinates: | -72.43701, 41.88109 (WGS84) |
|---|
Political divisions (FIPS codes)
Tolland(county)
Connecticut(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ellington(quadrangle 1:24,000 scale)
Hartford(quadrangle 1:100,000 scale)
Hartford(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Outlet Connecticut River(hydrologic unit)
Lower Connecticut(hydrologic accounting unit)
Connecticut(hydrologic subregion)
New England(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Connecticut | Tolland |
| Commodity | Importance |
|---|---|
| Stone, Dimension | Primary |
| Materials | Type of material |
|---|---|
| Allanite | Gangue |
| Apatite | Gangue |
| Biotite | Gangue |
| Chlorite | Gangue |
| Garnet | Gangue |
| Hornblende | Gangue |
| Ilmenite | Gangue |
| Magnetite | Gangue |
| Microcline | Gangue |
| Muscovite | Gangue |
| Plagioclase | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Rutile | Gangue |
| Sphene | Gangue |
| Tourmaline | Gangue |
| Zircon | Gangue |
| Result | MINERALS IN PERCENT IN GNEISS FROM 5 SAMPLES ARE PLAGIOCLASE 12 TO 41 |
|---|---|
| Result | MICROCLINE 0 TO 16 |
| Result | QUARTZ 41 TO 58 |
| Result | BIOTITE 4 TO 23 |
| Result | HORNBLENDE 0 TO 10 |
| Result | MUSCOVITE 0 TO 4 |
| Result | EPIDOTE 0 TO 11 |
| Result | MAGNETITE TR TO 1 |
| Result | PYRITE N TO TR |
| Result | APATITE N TO TRACE |
| Result | ZIRCON N TO TR |
| Result | RUTILE N. PLAGIOCLASE IS ORTHOCLASE. ACCESSORY MINERALS GENERALLY LESS THAN 2 PERCENT OF ROCK. |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | -72.43701, 41.88109 |
|---|
| Strike | N. 25 DEG. EAST. |
|---|---|
| Dip | 35 DEG. NW. |
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| Production years | UNKNOWN |
| District name | Ellington |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W001008 |
COLLINS, G. E., 1954, "BEDROCK GEOL. ELLINGTON QUAD.", CONN. GEOLOGICAL SURVEY, QUAD. REPORT NO. 4, MAP, TEXT, PG. 41
COLLINS, 1954
| Subject category | Comment text |
|---|---|
| Deposit | COLLINS MAP AT 1:24000 DOES NOT LOCATE QUARRY. COLLINS ANALYSES ON PAGE 43, 44. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1972 | D'Agostino, John P. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.