Howe No. 1 Feldspar Quarry

Past Producer in Hartford county in Connecticut, United States with commodity Feldspar
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. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10067700
MRDS ID W000501
Record type Site
Current site name Howe No. 1 Feldspar Quarry
Related records 10239991

Geographic coordinates

Geographic coordinates: -72.60052, 41.63899 (WGS84)

Site location context

Political divisions (FIPS codes)

Hartford(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Glastonbury(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 Hartford

Commodities

Commodity Importance
Feldspar Primary

Comments on the commodity information

  • Quarry No. 1 Opened 1870 By George Andrews, In Early 1870'S Northern Half Owned and Mined By Joshua and William P. Husband; Southern Half Leased To Charles Hall. In 1905 Entire Quarry Owned and Mined By Louis W. Howe Until 1928. Owner In 1958 Was Consoli
  • QUARRY NO. 1 OPENED 1870 BY GEORGE ANDREWS, IN EARLY 1870'S NORTHERN HALF OWNED AND MINED BY JOSHUA AND WILLIAM P. HUSBAND; SOUTHERN HALF LEASED TO CHARLES HALL. IN 1905 ENTIRE QUARRY OWNED AND MINED BY LOUIS W. HOWE UNTIL 1928. OWNER IN 1958 WAS CONSOLIDATED FELDSPAR COMPANY. IN 1949 PIT WAS ALMOST 800 FEET LONG NORTH-SOUTH, 100 FEET WIDE EAST-WEST, AND 100 FEET DEEP AT SOUTH END WHICH HAD HIGHEST GRADE FELDSPAR. NORTH END HAD WATER INFLOW OF 300 GALLONS PER MINUTE WHICH CEASED MINING OPERATIONS THERE. ADDITIONAL QUARRY LOCATED 1000 FEET TO NNE., THREE PROSPECTS LOCATED 300 FEET SE., 800 FEET SOUTH, AND 1000 FEET SOUTH. MINED FOR ONLY FELDSPAR.

Materials information

Materials Type of material
Quartz Ore
Tourmaline Ore
Beryl Ore
Muscovite Ore
Perthite Ore
Plagioclase Ore

Analytical data

Result FELDSAR CONTENT ABOUT 33%
Result MICA 1%, BERVL 0.02%.

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

Economic information

Comments on the geologic information

  • Geol.Desc: Swarm of Northward Trending Pegmatite Dikes In Collins Hill Schist. Dike Swarms Also Present In Westward Adjacent Pre-Ordovician Middletown Gneiss and Eastward Adjacent Lower Paleozoic Glastonbury Granite Gneiss .
  • GEOL.DESC: SWARM OF NORTHWARD TRENDING PEGMATITE DIKES IN COLLINS HILL SCHIST. DIKE SWARMS ALSO PRESENT IN WESTWARD ADJACENT PRE-ORDOVICIAN MIDDLETOWN GNEISS AND EASTWARD ADJACENT LOWER PALEOZOIC GLASTONBURY GRANITE GNEISS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discoverer George Andrews
Year of first production 1870

Mining district

District name Glastonbury

Ownership information

  • Type Owner
    Owner Consolidated Feldspar Co.
    First year 1958

Comments on the production information

  • FELDSPAR CONTENT ABOUT 33%; MICA 1%, BERYL 0.02%. MOST METALS NOT DETECTED, SEE ASSAY PG. 667, STUGARD, 1958.

Comments on the reserve resource information

  • FIGURES LACKING BUT PROBABLY LARGE QUANTITIES AVAILABLE FROM PEGMATITE DIKE SWARM.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    BROOKINS, D. G., 1970, "CONTRI. TO GEOCHRON. IN CONN.", CONN. GEOLOGICAL SURVEY R. I. NO. 5, TEXT, PG. 12, 1

  • Production

    STUGARD, 1958

  • Deposit

    Bastin, E.S., 1910, "Economic Geology Of The Feldspar Deposits Of The United States," USGS Bulletin 420, Pg. 45-46Bastin, E.S., 1910, "Economic Geology Of The Feldspar Deposits Of The United States," USGS Bulletin 420, Pg. 45-46

  • Deposit

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

General comments

Subject category Comment text
Deposit USGS Topo, 1964, "Glastonbury", At 1:24000 Shows Quarry As Partially Filled Pond. Stugard'S Map At 1:24000 Locates Quarries and Prospects By Symbols and Notation. Brookins' Gives Geochron Dates of Similar Pegmatites of About 260 M. Y. ; Info.Src : 1 Pub
Deposit USGS TOPO, 1964, "GLASTONBURY", AT 1:24000 SHOWS QUARRY AS PARTIALLY FILLED POND. STUGARD'S MAP AT 1:24000 LOCATES QUARRIES AND PROSPECTS BY SYMBOLS AND NOTATION. BROOKINS' GIVES GEOCHRON DATES OF SIMILAR PEGMATITES OF ABOUT 260 M. Y. ; 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

Beyond USGS

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