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Flaggy Quartzite Rock Quarry No. Bi-011

Past Producer in Tolland county in Connecticut, United States with commodity Stone, Dimension
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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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10068088
MRDS ID W001013
Record type Site
Current site name Flaggy Quartzite Rock Quarry No. Bi-011

Geographic coordinates

Geographic coordinates: -72.43784, 41.80692 (WGS84)

Site location context

Political divisions (FIPS codes)

Tolland(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rockville(quadrangle 1:24,000 scale)

Hartford(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Shetucket River(hydrologic unit)

Connecticut Coastal(hydrologic accounting unit)

Connecticut Coastal(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut Tolland

Commodities

Commodity Importance
Stone, Dimension Primary

Comments on the commodity information

  • INFORMATION LACKING. QUARRIES OPENED BEFORE 1842; ON TOPO SHEET MAIN PIT 1000 FEET LONG, ABOUT 100 FEET WIDE, ABOUT 60 FEET DEEP, TRENDS N. 75 DEG. EAST, DIP 27 DEG. NW. INTERBEDDED MEDIUM TO FINE GRAINED MICACEOUS QUARTZITES AND VERY FINE GRAINED ALMOST PURE QUARTZITES; BEDS INTERFINGER AND INTERGRADE INTO SCHISTS AND MARBLES IN SHORT DISTANCES. QUARTZITES LIGHT GRAY IN COLOR

Materials information

Materials Type of material
Biotite Gangue
Muscovite Gangue
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -72.43784, 41.80692
ListMap

Economic information

Ore body information

  • Strike N. 75 DEG. EAST.
    Dip 27 DEG. NW.

Controls for ore emplacement

  • Metamorphosed Sandstone Sediments.

Comments on the geologic information

  • GEOL.DESC: LOWER PALEOZOIC GLASTONBURY GNEISS IS METASEDIMENT WITH SOME GRANITE DIKES AND ZONES THAT ARE ALSO FOLDED; TWO PERIODS OF METAMORPHISM. BOLTON OVERLIES HEBRON METASEDIMENTARY GNEISS AS A GRADATIONAL ZONE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Year of first production 1843
Production years ABOUT 1840 FOR MANY YEARS

Mining district

District name Vernon

Comments on the production information

  • FIGURES LACKING; LARGE PIT INDICATES LARGE PRODUCTION OF FLAGGING STONE.

Comments on the reserve resource information

  • FIGURES LACKING; PROBABLY LARGE AMOUNT OF FLAGGING STONE PRESENT ON STRIKE WITHIN FORMATION.

Workings at the site

  • Type of workings Unknown
    Overall length 304.8M
    Overall width 30.48M

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    PERCIVAL, J. G., 1842, "GEOL. OF CONN.", CONN. GEOLOGICAL SURVEY, PG. 229 TO 231

  • Production

    PERCIVAL, 1842

General comments

Subject category Comment text
Deposit AITKEN'S MAP AT 1:24000 DOES NOT LOCATE QUARRY. USGS, TOPO, 1967, "ROCKVILLE", AT 1:24000 SHOWS QUARRIES BY DEPRESSIONS. ; 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.

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