Dover-Newfane Deposit

Occurrence in Windham county in Vermont, United States with commodities Talc-Soapstone, Chromium, Stone, Dimension
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. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10089869
MRDS ID W044101
Record type Site
Current site name Dover-Newfane Deposit
Alternate or previous names East Dover Ultramafic

Geographic coordinates

Geographic coordinates: -72.76342, 42.95781 (WGS84)
Elevation 396
Relative position OUTCROPS IN EAST DOVER, VT

Site location context

Political divisions (FIPS codes)

Windham(county)

Vermont(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Dover(quadrangle 1:24,000 scale)

Keene(quadrangle 1:100,000 scale)

Albany(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

West River-Connecticut River(hydrologic unit)

Upper Connecticut(hydrologic accounting unit)

Connecticut(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Vermont Windham

Comments on the location information

  • THE ULTRAMAFIC BODY IS WELL EXPOSED IN THE ROCK RIVER IN EAST DOVER, VT. IT EXTENDS 3 MILES NORTH AND 1 MILE SOUTH OF THIS SITE. SEE SKEHAN (1961).; PREVIOUS QUAD DESIGNATION = WILMINGTON (1954) 1:625000
  • Coordinates Are For the Center of This Ns Trending Body.

Commodities

Commodity Importance
Talc-Soapstone Primary
Chromium Critical Tertiary
Stone, Dimension Tertiary

Materials information

Materials Type of material
Chromite Ore
Steatite Ore
Talc Ore
Olivine Gangue
Magnetite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Rock unit name Missisquoi Formation
    Rock description Missisquoi Formation

Nearby scientific data

(1) -72.76342, 42.95781

Economic information

Ore body information

  • General form IRREGULAR PODS AND LENSES
    Length 7241.85M
    Width 1206.98M

Comments on the geologic information

  • SERPENTINITE BODY IS ENCLOSED BY THE MISSISQUOI FORMATION. THE NORTHERN PORTION OF THE BODY IS STEATITE IN THE VICINITY OF ELWIN MEADOWS.
  • Serpentinite Body Is Enclosed By the Missisquoi Formation. The Northern Portion of the Body Is Steatite In the Vicinity of Elwin Meadows.
  • Verde Antique

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Medium
Significant No

Land status

Ownership category Private

Comments on the workings information

  • THIS ULTRAMAFIC BODY HAS NOT BEEN EXPLOITED.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ONLY THE NORTHERN PORTION OF THE BODY IS HIGHLY ALTERED TO SERPENTINE AND STEATITE. THE MAJORITY OF THE BODY IS MOSTLY DUNITE.

Reporter information

Type Date Name Affiliation Comment
Editor 01-JAN-2003 L. G. Woodruff U.S. Geological Survey checked references; location; commodities; ore materials
Reporter 01-OCT-1985 McBean, Alan J. (Ratte, Charles A.) Vermont Agency of Environmental Conservation

Beyond USGS

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