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  • Usage in publication:
    • Whetstone Hill member
  • Modifications:
    • Named
  • Dominant lithology:
    • Phyllite
    • Schist
    • Quartzite
    • Gneiss
    • Amphibolite
  • AAPG geologic province:
    • New England province
Publication:

Doll, C.G., Cady, W.M., Thompson, J.B., Jr., and Billings, M.P., 1961, Centennial geologic map of Vermont: Vermont Geological Survey, scale 1:250,000


Summary:

Named the Whetstone Hill member of the Missisquoi formation. Unit was first used as a member of the Moretown formation by Thompson (1950, unpublished thesis) and Brace (1953, Vermont Geol. Survey Bull., no. 6). Consists of carbonaceous black to light gray phyllite and schist containing porphyroblasts of fine-grained biotite gneiss and amphibolite. Description and correlation of map units show the Whetstone Hill surrounded by the Moretown member of the Missisquoi formation. The Whetstone Hill is of Middle Ordovician age.

Source: GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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