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Thomaston Fluorite and Sulfide Occurrence

Occurrence in Litchfield county in Connecticut, United States with commodities Fluorine-Fluorite, Lead, Iron
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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. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10068009
MRDS ID W000913
Record type Site
Current site name Thomaston Fluorite and Sulfide Occurrence

Geographic coordinates

Geographic coordinates: -73.06753, 41.69999 (WGS84)

Site location context

Political divisions (FIPS codes)

Litchfield(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Thomaston(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
Fluorine-Fluorite Critical Primary
Lead Primary
Iron Primary

Comments on the commodity information

  • Information Lacking. New Railroad Cut and Dam Foundation Excavation Yielded Many Minerals. Four Foot Mineralized Vein, Strike North 10 Degrees East, Dip Vertical .
  • INFORMATION LACKING. NEW RAILROAD CUT AND DAM FOUNDATION EXCAVATION YIELDED MANY MINERALS. FOUR FOOT MINERALIZED VEIN, STRIKE NORTH 10 DEGREES EAST, DIP VERTICAL.

Materials information

Materials Type of material
Barite Ore
Sphalerite Ore
Chalcopyrite Ore
Pyrite Ore
Galena Ore
Fluorite Ore
Magnetite Gangue
Ilmenite Gangue
Tourmaline Gangue
Hornblende Gangue
Graphite Gangue
Garnet Gangue
Staurolite Gangue
Epidote Gangue
Biotite Gangue
Beryl Gangue
Muscovite Gangue
Autunite Gangue
Apophyllite Gangue
Albite Gangue
Actinolite Gangue
Calcite Gangue
Quartz 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 > Granitoid > Granite
    Stratigraphic age (youngest) Early Devonian
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -73.06753, 41.69999
ListMap

Economic information

Ore body information

  • Strike N. 10 DEG. EAST
    Dip VERTICAL

Comments on the geologic information

  • Geol.Desc: Occurrence Near Contact With the Older Cambrian Ordovician Hartland Formation.
  • GEOL.DESC: OCCURRENCE NEAR CONTACT WITH THE OLDER CAMBRIAN ORDOVICIAN HARTLAND FORMATION.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Significant No

Mining district

District name Thomaston

Comments on the reserve resource information

  • INFORMATION LACKING. PROBABLY SMALL AMOUNT OF HIGH GRADE SULFIDE ORE; AREA NEEDS STUDY.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    RYERSON, K. H., 1968, "ROCK HOUND'S GUIDE TO CONN.", THE PEQUOT PRESS, SKETCH, TEXT, PG. 36 TO 37

  • Deposit

    Ryerson, K. H., 1968, "Rock Hound'S Guide To Conn.", The Pequot Press, Sketch, Text, Pg. 36-37.Ryerson, K. H., 1968, "Rock Hound'S Guide To Conn.", The Pequot Press, Sketch, Text, Pg. 36-37.

General comments

Subject category Comment text
Deposit Occurrence Location From Rough Sketch and Text Description. USGS, Topo, 1956, "Thomaston", At 1:24000 Uses Term Lead For Road and Stream Adjacent and Nw. of Occurrence, Still Within the Straits Schist Formation. ; Info.Src : 1 Pub Lit
Deposit OCCURRENCE LOCATION FROM ROUGH SKETCH AND TEXT DESCRIPTION. USGS, TOPO, 1956, "THOMASTON", AT 1:24000 USES TERM LEAD FOR ROAD AND STREAM ADJACENT AND NW. OF OCCURRENCE, STILL WITHIN THE STRAITS SCHIST FORMATION. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 D'Agostino, John P. U.S. Geological Survey Added Model_Num And Model, Moved Point
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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