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Map showing publication footprint
  • Usage in publication:
    • Francestown Formation*
  • Modifications:
    • Overview
    • Age modified
  • AAPG geologic province:
    • New England province
Publication:

Greene, R.C., 1995, Talc resources of the conterminous United States: U.S. Geological Survey Open-File Report, OF-95-586, 178 p., (incl. geologic map, scale 1:5,000,000)


Summary:

Talc deposit shown by Meyers and Stewrart (1955) is in either the Crotched Mountain or Francestown Formations (Ordovician? or Silurian?) as mapped by Nielson (1981).

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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