Ely Slate Quarry

Past Producer in Orange county in Vermont, United States with commodity 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. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10081664
MRDS ID W033933
Record type Site
Current site name Ely Slate Quarry
Alternate or previous names Howard Slate Co. Quarry

Geographic coordinates

Geographic coordinates: -72.1892, 43.8639 (WGS84)
Elevation 152
Relative position 1.55 MILES NNE OF THE BRIDGE IN NORTH THETFORD, VT.

Site location context

Political divisions (FIPS codes)

Orange(county)

Vermont(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lyme(quadrangle 1:24,000 scale)

Rutland(quadrangle 1:100,000 scale)

Glens Falls(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Waits 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 Orange

Comments on the location information

  • APPEARS TO BE LOCATED JUST WEST OF THE INTERSTATE AT THE BASE OF A STEEP ESCORPMENT.
  • Location From Hadley (1950).

Commodities

Commodity Importance
Stone, Dimension Primary

Comments on the commodity information

  • USED FOR ROOFING

Materials information

Materials Type of material
Slate Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Gile Mountain Formation, Meetinghouse Slate Member
    Rock description Gile Mountain Formation, Meetinghouse Slate Member
    Stratigraphic age (youngest) Early Devonian
    Stratigraphic age (youngest) Early Devonian

Nearby scientific data

(1) -72.1892, 43.8639

Economic information

Ore body information

  • General form TABULAR
    Strike N 20 E
    Dip 75-90E

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Large
Significant No
Year of first production 1825
Year of last production 1875

Workings at the site

  • Type of workings Surface
    Overall length 36.58M

Comments on the workings information

  • IN 1861 THE FACE WAS 75 FEET HIGH AND THE QUARRY 120 FEET LONG.

Comments on development

  • ORIGINALLY QUARRIED IN A SMALL WAY IN THE 1820'S. MAJOR PRODUCTION OF ROOFING SLATE BEGAN IN THE 1850'S.

Reference information

Bibliographic references

  • Deposit

    HADLEY, J.B., 1950, GEOLOGY OF THE BRADFORD-THETFORD AREA ORANGE COUNTY, VERMONT: VGS BULLETIN NO. 1, P. 35.

  • Deposit

    ADAMS, C.B., 1846, SECOND ANNUAL REPORT ON THE GEOLOGY OF THE STATE OF VERMONT: CHAUNCEY GOODRICH; (BURLINGTON, VT), PP. 240-241.

  • Deposit

    HITCHCOCK, E., ET AL, 1861, THE GEOLOGY OF VERMONT: CLAREMONT MFG. CO.; (CLAREMONT, NH). P. 793.

  • Deposit

    Hadley, J.G., 1950, Geology Of The Bradford-Thetford Area, Orange County, Vermont: Vermont Geological Survey Bulletin 1.Hadley, J.G., 1950, Geology Of The Bradford-Thetford Area, Orange County, Vermont: Vermont Geological Survey Bulletin 1.

  • Deposit

    Adams, C.B., 1846, Second Annual Report On The Geology Of The State Of Vermont: Chancey Goodrich, Burlington, Vermont 217 P.Adams, C.B., 1846, Second Annual Report On The Geology Of The State Of Vermont: Chancey Goodrich, Burlington, Vermont 217 P.

  • Deposit

    Hitchcock, E. (With Sons And Albert Hager), 1861, Report On The Geology Of Vermont; 2 Volumes: Claremont Mfg. Co., Claremont, New Hampshire, 988 P.Hitchcock, E. (With Sons And Albert Hager), 1861, Report On The Geology Of Vermont; 2 Volumes: Claremont Mfg. Co., Claremont, New Hampshire, 988 P.

General comments

Subject category Comment text
Deposit CONSTRUCTION OF INTERSTATE 91 MAY HAVE BURIED THIS SITE. ANOTHER QUARRY WAS OPENED NE OF LAKE FAIRLEE IN THE MEETINGHOUSE SLATE. LITTLE WORK WAS DONE ON IT. (HITCHCOCK, 1861). ; INFO.SRC : 1 PUB LIT

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-NOV-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.