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Slocum Beryl Feldspar Mine

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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10067813
MRDS ID W000658
Record type Site
Current site name Slocum Beryl Feldspar Mine
Related records 10143406

Geographic coordinates

Geographic coordinates: -72.46551, 41.53799 (WGS84)

Site location context

Political divisions (FIPS codes)

Middlesex(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Moodus(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

  • Feldspar Mined About 1890 By John White. From 1920 To 1922 Again Mined For Feldspar By F. A. Slocum. Open Cut 90 Feet Long, 20 Feet Wide, 2 To 15 Feet Deep. Pegmatite 80 Feet Long, One To 10 Feet Thick With Average 8 Feet, Strikes N. 70 Deg. East, Dips
  • FELDSPAR MINED ABOUT 1890 BY JOHN WHITE. FROM 1920 TO 1922 AGAIN MINED FOR FELDSPAR BY F. A. SLOCUM. OPEN CUT 90 FEET LONG, 20 FEET WIDE, 2 TO 15 FEET DEEP. PEGMATITE 80 FEET LONG, ONE TO 10 FEET THICK WITH AVERAGE 8 FEET, STRIKES N. 70 DEG. EAST, DIPS 18 TO 60 DEG. NORTH. KEEL PLUNGES S. 82 DEG. WEST AT GENTLE ANGLE.

Materials information

Materials Type of material
Muscovite Ore
Beryl Ore
Quartz Ore
Plagioclase Ore
Perthite Ore
Uranophane Gangue
Tremolite Gangue
Autunite Gangue
Scheelite Gangue
Hyalite Gangue
Fluorite Gangue
Tantalite Gangue
Columbite Gangue
Biotite Gangue
Tourmaline 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 Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -72.46551, 41.53799
ListMap

Economic information

Ore body information

  • Strike N. 70 DEG. EAST
    Dip 18 TO 60 DEG. NORTH
    Plunge S. 82 DEG. WEST AT GENTLE ANGLE
    Thickness 3.05M
    Length 24.38M

Comments on the geologic information

  • Geol.Desc: Pegmatite Dike Cuts Older More Barren Pegmatite Dike. Zone of Numerous Pegmatites Dike Swarms To West Near Conn. River. Most Dikes Occur In Middle Ordovician Collins Hill Schist Formation.
  • GEOL.DESC: PEGMATITE DIKE CUTS OLDER MORE BARREN PEGMATITE DIKE. ZONE OF NUMEROUS PEGMATITES DIKE SWARMS TO WEST NEAR CONN. RIVER. MOST DIKES OCCUR IN MIDDLE ORDOVICIAN COLLINS HILL SCHIST FORMATION.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Year of first production 1890
Production years 1890, 1920 TO 1922

Mining district

District name East Hampton

Ownership information

  • Type Operator
    Owner John White And F. A. Slocum
    First year 1890

Comments on the production information

  • FIGURES LACKING BUT PRODUCTION SMALL. ESTIMATED BERYL CONTENT 0.5%. MINOR SCRAP MICA. PRODUCED FELDSPAR CONCENTRATES.

Comments on the reserve resource information

  • FIGURES LACKING BUT ONLY MINOR QUANTITIES AVAILABLE FROM SMALL DEPOSIT; POSSIBILITY THAT PEGMATITE EXTENDS WESTWARD TO FORM LARGER DEPOSIT.

Workings at the site

  • Type of workings Unknown
    Overall length 27.43M
    Overall width 6.1M

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    CAMERON, E. N., 1954, "PEGMATITE INVEST. 1942-45, NEW ENGLAND", USGS, PP. 255, TEXT, P. 21, 329-331

  • Production

    CAMERON, 1954

  • Deposit

    Cameron, E. N., 1954, "Pegmatite Invest. 1942-45, New England", Usgs, Pp. 255, Text, P. 21, 329-331Cameron, E. N., 1954, "Pegmatite Invest. 1942-45, New England", Usgs, Pp. 255, Text, P. 21, 329-331

  • Deposit

    Heermance, E.L., 1935, "The Conn. Guide: Emergency Relief Commission," Hartford, Conn., Pg. 226Heermance, E.L., 1935, "The Conn. Guide: Emergency Relief Commission," Hartford, Conn., Pg. 226

  • Deposit

    Ryerson, K. H., 1968, "Rock Hound'S Guide To Conn.", The Pequot Press, Pg. 33Ryerson, K. H., 1968, "Rock Hound'S Guide To Conn.", The Pequot Press, Pg. 33

General comments

Subject category Comment text
Deposit Cameron Shows Mine Map Page 330. Report In USGS Files ; Info.Src : 1 Pub Lit
Deposit CAMERON SHOWS MINE MAP PAGE 330. REPORT IN USGS FILES ; INFO.SRC : 1 PUB LIT

Reporter information

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

Beyond USGS

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

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