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Fox Knoll

Producer in Essex county in New York, United States with commodities Wollastonite, Garnet
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10023301
MRDS ID I000142
Record type Site
Current site name Fox Knoll

Geographic coordinates

Geographic coordinates: -73.46619, 44.37497 (WGS84)
Location accuracy 1000(meters)
Relative position NEAR WILLSBORO ON THE WESTERN SIDE OF LAKE CHAMPLAIN., Estimated Location, Unknown Precision But Probably Within 2 Minutes., Estimated Location, Unknown Precision But Probably Within 2 Minutes.

Site location context

Political divisions (FIPS codes)

Essex(county)

New York(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Willsboro(quadrangle 1:24,000 scale)

Lake Champlain South(quadrangle 1:100,000 scale)

Lake Champlain(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States New York Essex

Commodities

Commodity Importance
Wollastonite Primary
Garnet Primary

Materials information

Materials Type of material
Grossularite Ore
Wollastonite Ore
Diopside Gangue

Alteration

  • (Local) Hydrothermal

Mineral occurrence model information

Model code 65
USGS model code 18g
Deposit model name Skarn wollastonite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Anorthosite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Grenville Limestone
    Rock description Grenville Lst

Nearby scientific data

(1) -73.46619, 44.37497
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Large
Significant No

Ownership information

  • Type Operator
    Owner Nyco
    First year 1994

Comments on the production information

  • 700 SHORT TONS OF ORE ARE MINED EACH DAY AVERAGING 60% WOL AND 40% GARNET AND IMPURITIES. IN 1990, THIS WAS THE WORLD'S LARGEST WOLLASTONITE PRODUCER.

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Total resources 7000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Wollastonite Wol 60 wt-pct Wollastonite Major 1981

Comments on the reserve resource information

  • WOLLASTONITE GRADES 55-65%.

Comments on the workings information

  • ORIGINALLY MINED BY OPEN PIT, BUT NOW MINED UNDERGROUND (STOPE).

Reference information

Bibliographic references

  • Deposit

    SMITH, MARTIN, 1981, WOLLASTONITE-- PRODUCTION AND CONSUMPTION CONTINUE TO CLIMB: INDUSTRIAL MINERALS, NO. 167, P. 25-30.

  • Deposit

    DICKSON, TED, 1982, GARNET-- CUTTING INTO FILTRATION: INDUSTRIAL MINERALS, NO. 173, P.35.

  • Deposit

    HARBEN, P.W., AND BATES, R.L., 1990, INDUSTRIAL MINERALS GEOLOGY AND WORLD DEPOSITS: LONDON, INDUSTRIAL MINERALS DIVISION METAL BULLETIN PLC, 312 P.

  • Reserve-Resource

    SMITH, 1981.

General comments

Subject category Comment text
Deposit ORE IS ABOUT 60% WOLLASTONITE AND 40% GARNET AND IMPURITIES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-89 Orris, Greta J. U.S. Geological Survey
Updater 27-DEC-94 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site