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Rock Landing Feldspar Quarries

Past 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. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10067612
MRDS ID W000405
Record type Site
Current site name Rock Landing Feldspar Quarries
Related records 10264488

Geographic coordinates

Geographic coordinates: -72.52252, 41.50899 (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

  • Information Lacking. Pegmatite Dike About 400 Feet Long, 175 Feet Wide, Trends Ne. Additional Feldspar Quarry 200 Feet To Sw On Same Pegmatite Body.
  • INFORMATION LACKING. PEGMATITE DIKE ABOUT 400 FEET LONG, 175 FEET WIDE, TRENDS NE. ADDITIONAL FELDSPAR QUARRY 200 FEET TO SW ON SAME PEGMATITE BODY.

Materials information

Materials Type of material
Beryl Ore
Quartz Ore
Feldspar Ore
Feldspar 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) -72.52252, 41.50899
ListMap

Economic information

Comments on the geologic information

  • Geol.Desc: Dike Located In Narrow North-South Zone Containing Numerous Dike Swarms With Most Swarms In Collins Hill Schist Formation. Individual Dikes Trend Mostly Northward.
  • GEOL.DESC: DIKE LOCATED IN NARROW NORTH-SOUTH ZONE CONTAINING NUMEROUS DIKE SWARMS WITH MOST SWARMS IN COLLINS HILL SCHIST FORMATION. INDIVIDUAL DIKES TREND MOSTLY NORTHWARD.

Economic information about the deposit and operations

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

Mining district

District name Haddam

Comments on the production information

  • FIGURES LACKING BUT PRODUCTION PROBABLY SMALL. FELDSPAR CONCENTRATES.

Comments on the reserve resource information

  • FIGURES LACKING BUT PROBABLY SMALL AMOUNT OF FELDSPAR. AVAILABLE FROM SMALL DEPOSIT.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    STUGARD, JR., F., 1958,"PEGMATITES OF MIDDLETOWN, CONN.," USGS BULL. 1042-Q, MAP, TEXT

  • Production

    STUGARD, 1958

  • Deposit

    Stugard, Jr., F., 1958,"Pegmatites Of Middletown, Conn.," USGS Bull. 1042-Q, Plates 5 And 6Stugard, Jr., F., 1958,"Pegmatites Of Middletown, Conn.," USGS Bull. 1042-Q, Plates 5 And 6

General comments

Subject category Comment text
Deposit Stugard'S Geol. Map At 1:24000 Locates Quarries By Symbol, In Stugard'S Text, Page 651, Cites Geochron Age of 280 M.Y. For Pegmatite. ; Info.Src : 1 Pub Lit
Deposit STUGARD'S GEOL. MAP AT 1:24000 LOCATES QUARRIES BY SYMBOL, IN STUGARD'S TEXT, PAGE 651, CITES GEOCHRON AGE OF 280 M.Y. FOR PEGMATITE. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-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

Beyond USGS

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

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