Biotite Muscovite Schist Rock Quarry No. Aj-018

Past Producer in New London county in Connecticut, United States with commodity Stone
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10068122
MRDS ID W001049
Record type Site
Current site name Biotite Muscovite Schist Rock Quarry No. Aj-018

Geographic coordinates

Geographic coordinates: -72.06506, 41.52915 (WGS84)

Site location context

Political divisions (FIPS codes)

New London(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Norwich(quadrangle 1:24,000 scale)

Hartford(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Thames(hydrologic unit)

Connecticut Coastal(hydrologic accounting unit)

Connecticut Coastal(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut New London

Commodities

Commodity Importance
Stone Primary

Comments on the commodity information

  • INFORMATION LACKING. GRAY, MEDIUM TO COARSE GRAINED, STRONGLY FOLIATED CONTAINING PORPHYROBLASTS OF OLIGOCLASE AND MUSCOVITE. FOLIATION STRIKES NORTH, DIP 70 DEG. WEST. TEXTURE TYPICALLY GRANULAR, SCHISTOSE, AND PORPHYROBLASTIC

Materials information

Materials Type of material
Biotite Gangue
Garnet Gangue
Muscovite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Early Devonian
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -72.06506, 41.52915

Economic information

Ore body information

  • Strike NORTH
    Dip DIP 70 DEG. WEST

Controls for ore emplacement

  • Metamorphosed Sedimentary Beds

Comments on the geologic information

  • GEOL.DESC: THREE METAMORPHIC EVENTS IN AREA. ACCESSORY MINERALS ARE MAGNETITE, ILMENITE, SPECULAR HEMATITE, PYRITE, PYRRHOTITE, RUTILE, APATITE, SPHENE, ZIRCON, MONAZITE, ALLANITE, EPIDOTE, CLINOZOISITE, CALCITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years UNKNOWN

Mining district

District name Norwich

Comments on the production information

  • INFORMATION LACKING; PROBABLY ONLY SMALL AMOUNT OF CONSTRUCTION STONE PRODUCED

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF ROCK REMAINS BUT AREA IS NOW DOWNTOWN NORWICH

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    SNYDER, G.L., 1961, "BEDROCK GEOL. NORWICH QUAD.", USGS, GQ 144, SHORT TEXT

  • Production

    SNYDER, 1961

General comments

Subject category Comment text
Deposit SNYDER'S MAP AT 1:24000 LOCATES QUARRY BY SYMBOL ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 D'Agostino, John P. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.