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White Rock Pegmatite Quarries

Producer in Middlesex county in Connecticut, United States with commodity Feldspar
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10067603
MRDS ID W000393
Record type Site
Current site name White Rock Pegmatite Quarries
Related records 10289066

Geographic coordinates

Geographic coordinates: -72.60552, 41.55299 (WGS84)

Site location context

Political divisions (FIPS codes)

Middlesex(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Middle Haddam(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)

Geographic areas

Country State County
United States Connecticut Middlesex

Commodities

Commodity Importance
Feldspar Primary

Comments on the commodity information

  • Major Dump Area 600by 400 Feet Shown On Topo Sheet and Not Shown On Either Stugard'S Or Cameron'S Mine Maps. Large Swarms of Large Pegmatites With A Total of 8 Quarries and 4 Prospect Pits. Pegmatites As Much As 3000 Feet Long N-S, and 600 Feet Wide E
  • MAJOR DUMP AREA 600BY 400 FEET SHOWN ON TOPO SHEET AND NOT SHOWN ON EITHER STUGARD'S OR CAMERON'S MINE MAPS. LARGE SWARMS OF LARGE PEGMATITES WITH A TOTAL OF 8 QUARRIES AND 4 PROSPECT PITS. PEGMATITES AS MUCH AS 3000 FEET LONG N-S, AND 600 FEET WIDE E-W. MOST DIKES TREND NORTHWEST AND DIP WEST AT MODERATE TO GENTLE ANGLES. MOST QUARRIES WORKED PREVIOUS TO 1943 BY CONSOLIDATED FELDSPAR CO. QUARRY AND PROSPECT LOCATIONS FROM MAIN LARGE TOPOGRAPICALLY SHOWN MINE ARE QUARRIES 500 FEET NORTHWEST, 2100 FEET NORTHWEST (WESTERN QUARRY, CONSOLIDATED MINE) 1200 FEET WEST NORTHWEST, 2000 FEET WEST NORTHWEST, 800 FEET WEST SOUTHWEST (WHITE ROCK QUARRY), 1900 FEET WEST SOUTHWEST, AND 4400 FEET SOUTHEAST, AND PROSPECTS ARE 2000 FEET WEST, 1900 FEET WEST, 900 FEET SOUTHWEST, AND 1600 FEET EAST NORTHEAST (RIVERSIDE PROSPECT). MINED ONLY FOR FELDSPAR.

Materials information

Materials Type of material
Muscovite Ore
Quartz Ore
Beryl Ore
Feldspar Ore
Tourmaline Gangue
Biotite Gangue
Garnet Gangue
Perthite Gangue

Mineral occurrence model information

Model code 33
USGS model code 13a
Deposit model name Be-Li pegmatites

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) Portland Arkose
ListMap

Economic information

Ore body information

  • Length 914.4M
    Width 600M

Comments on the geologic information

  • Geol.Desc: Numerous Swarms of Northward Trending Pegmatite Dikes Present In North-South Zone; Most Swarms In Collins Hill Schist.
  • GEOL.DESC: NUMEROUS SWARMS OF NORTHWARD TRENDING PEGMATITE DIKES PRESENT IN NORTH-SOUTH ZONE; MOST SWARMS IN COLLINS HILL SCHIST.

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Production years UNKNOWN EARLY PERIOD, 1950'S

Mining district

District name Middletown

Ownership information

  • Type Operator
    Owner Consolidated Feldspar Co.

Comments on the production information

  • TOPO MAP INDICATES MINING, PROBABLY OF LARGE AMOUNTS OF FELDSPAR, BETWEEN EARLY 1950 AND TOPO PUBLICATION 1961;STUGARD INDICATES BERYL PRESENT IN SOME PLAGIOCLASE PEGMATITE DIKES; BOTH BERYL AND MICA MEAGER.

Comments on the reserve resource information

  • FIGURES LACKING BUT SWARM OF LARGE FELDSPAR- BEARING DIKES SOURCE FOR LARGE AMOUNTS OF FELDSPAR CONCENTRATES.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    CAMERON, E.N., 1954, "PEGMATITE INVEST. 1942-45, NEW ENGLAND," USGS, PP 255, PG. 21, 339, 340

  • Production

    CAMERON, 1954

  • Deposit

    Cameron, E.N., And Others, 1954, "Pegmatite Invest. 1942-45, New England," Usgs, Pp 255, Pg. 21, 339, 340.Cameron, E.N., And Others, 1954, "Pegmatite Invest. 1942-45, New England," Usgs, Pp 255, Pg. 21, 339, 340.

General comments

Subject category Comment text
Deposit Stugard'S Geol. Map At 1:24000 Locates Quarries and Prospects. USGS Topo, 1961, "Middle Haddam," At 1:24000 Shows Two Large Mine Dumps. ; Info.Src : 1 Pub Lit
Deposit STUGARD'S GEOL. MAP AT 1:24000 LOCATES QUARRIES AND PROSPECTS. USGS TOPO, 1961, "MIDDLE HADDAM," AT 1:24000 SHOWS TWO LARGE MINE DUMPS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 D'Agostino, John P. U.S. Geological Survey
Updater 21-AUG-1997 Mchone, Nancy Connecticut Geological and Natural History Survey Added Model_Num And Model , Moved Point

Beyond USGS

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

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