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Hale-Walker Beryl Prospect and Feldspar Mine

Past Producer in Middlesex county in Connecticut, United States with commodities Feldspar, Niobium (Columbium), Tantalum, Beryllium
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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 10067600
MRDS ID W000389
Record type Site
Current site name Hale-Walker Beryl Prospect and Feldspar Mine

Geographic coordinates

Geographic coordinates: -72.58752, 41.58699 (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
Niobium (Columbium) Critical Primary
Tantalum Critical Primary
Beryllium Critical Primary

Comments on the commodity information

  • Owned By Charles F. and Harry L. Walker. Leased and Mined In 1932 By Eureka Flint and Spar Co. For 3 To 4 Months For Feldspar From Two Openings. Upper Cut 25 Feet Long East-West, 9 Feet Wide North-South, and One To 10 Feet Deep. Lower Cut On Same Trend
  • OWNED BY CHARLES F. AND HARRY L. WALKER. LEASED AND MINED IN 1932 BY EUREKA FLINT AND SPAR CO. FOR 3 TO 4 MONTHS FOR FELDSPAR FROM TWO OPENINGS. UPPER CUT 25 FEET LONG EAST-WEST, 9 FEET WIDE NORTH-SOUTH, AND ONE TO 10 FEET DEEP. LOWER CUT ON SAME TREND. 38 FEET LONG EAST-WEST, 10 FEET WIDE NORTH-SOUTH, AND 5 TO 18 FEET DEEP. DIKE TABULAR AND IS 180 FEET LONG AND 6 TO 8 FEET THICK. IT STRIKES N 79 DEG. WEST TO EAST-WEST AND DIPS 63 TO 74 DEG. SW. DIKE MAY EXTEND ON ADJACENT PROPERTY OWNED BY CLIFFORD HALE. ADDITIONAL FELDSPAR PROSPECTS IN DIKES LOCATED 400 FEET SOUTH, 600 FEET SOUTHWEST, AND TWO LOCATED 2400 FEET SSE (SEE STUGARD'S MAP.

Materials information

Materials Type of material
Tantalite Ore
Columbite Ore
Monazite Ore
Quartz Ore
Beryl Ore
Feldspar Ore
Mica Gangue
Tantalite Gangue
Columbite Gangue
Tourmaline 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 Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -72.58752, 41.58699
ListMap

Economic information

Ore body information

  • Thickness 2.44M
    Length 54.86M

Comments on the geologic information

  • Geol.Desc: Dike In Northward Trending Zone of Numerous Dike Swarms Mostly Found In the Eastward Adjacent Middle Ordovician Collins Hill Schist Formation.
  • GEOL.DESC: DIKE IN NORTHWARD TRENDING ZONE OF NUMEROUS DIKE SWARMS MOSTLY FOUND IN THE EASTWARD ADJACENT MIDDLE ORDOVICIAN COLLINS HILL SCHIST FORMATION.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No
Year of first production 1932

Mining district

District name Portland

Ownership information

  • Type Operator
    Owner Eureka Flint And Spar Co.
  • Type Owner
    Owner Walker, Charles F. And Harry L.

Comments on the production information

  • ESTIMATED BERYL CONTENT 0.21%.

Comments on the reserve resource information

  • FIGURES LACKING BUT SIZE OF TABULAR BODY INDICATES SMALL QUANTITIES OF FELDSPAR AVAILABLE. LARGE AMOUNTS OF FELDSPAR AVAILABLE FROM NEARBY CLUSTERS OF PEGMATITE DIKES.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

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

  • Production

    CAMERON, 1954.

  • Deposit

    Cameron, E.N., And Others, 1954, "Pegmatite Invest. 1942-45, New England," Usgs, Pp.255, Pg. 324-326Cameron, E.N., And Others, 1954, "Pegmatite Invest. 1942-45, New England," Usgs, Pp.255, Pg. 324-326

General comments

Subject category Comment text
Deposit Cameron Shows Mine Map With Text. Brookins' Gives Geochron Age Dates of About 260 M.Y. For Similar Pegmatites Report In USGS Files. Stugard'S Geol. Map At 1:24000, Locates Prospects By Symbol. ; Info.Src : 1 Pub Lit
Deposit CAMERON SHOWS MINE MAP WITH TEXT. BROOKINS' GIVES GEOCHRON AGE DATES OF ABOUT 260 M.Y. FOR SIMILAR PEGMATITES REPORT IN USGS FILES. STUGARD'S GEOL. MAP AT 1:24000, LOCATES PROSPECTS BY SYMBOL. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Editor 10-MAR-2003 Nicholson, S.W. U.S. Geological Survey Combined This Record With Information From Record D001836: Then Deleted Record D001836
Reporter 01-APR-1972 D'Agostino, John P. U.S. Geological Survey
Reporter 01-APR-1975 Parker, Raymond L. U.S. Geological Survey
Updater 21-AUG-1997 Mchone, Nancy Connecticut Geological and Natural History Survey Added Model_Num And Model; Moved Point; Noted Duplicate Record Number D001836

Beyond USGS

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

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