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Judds Bridge Kyanite Prospects

Occurrence in Litchfield county in Connecticut, United States with commodity Kyanite
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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. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  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 10067490
MRDS ID W000265
Record type Site
Current site name Judds Bridge Kyanite Prospects

Geographic coordinates

Geographic coordinates: -73.33843, 41.5961 (WGS84)

Site location context

Political divisions (FIPS codes)

Litchfield(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Roxbury(quadrangle 1:24,000 scale)

Waterbury(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Housatonic(hydrologic unit)

Connecticut Coastal(hydrologic accounting unit)

Connecticut Coastal(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut Litchfield

Commodities

Commodity Importance
Kyanite Primary

Comments on the commodity information

  • THREE PROSPECT SITES, 2ND SITE 400 FEET DUE EAST ON CREST OF HILL, THIRD SITE 800 FEET N 70 DEGREES E. AT 520 FOOT ELEVATION ON SAME HILL.

Materials information

Materials Type of material
Kyanite Ore
Schist Gangue
Staurolite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Early Devonian

Nearby scientific data

(1) -73.33843, 41.5961
ListMap

Economic information

Controls for ore emplacement

  • Kyanite-Rich Layers In Mica Schist

Comments on the geologic information

  • GEOL.DESC: HARTLAND FORMATION HAS INTER LAYERS OF MICA QUARTZITE, MUSCOVITE SCHIST, GRAPHITIC SCHIST, LIMESTONE, CALC-SILICATE; ALSO HORNBLENDE GNEISS, DIORITIC GNEISS, GRANITIC GNEISS, GRANITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Mining district

District name Southeast Berkshire Highlands

Comments on the production information

  • PROSPECT PITS ONLY; INFORMATION LACKING

Comments on the reserve resource information

  • INFORMATION LACKING, PROBABLY ONLY SMALL COMMERIAL QUANTITIES OF KYANITE PRESENT.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    GATES, R. M., 1959, "GEOL. MAP ROXBURY QUAD.", 1:24,000, USGS, GQ121, SHORT TEXT

  • Production

    GATES, 1959

General comments

Subject category Comment text
Deposit GATES' MAP LOCATES EACH PROSPECT BY SYMBOL. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1972 D'Agostino, John P. U.S. Geological Survey

Beyond USGS

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

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