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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Two Rivers Till*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Michigan basin
Publication:

Colman, S.M., Keigwin, L.D., and Forrester, R.M., 1994, Two episodes of influx of meltwater from Glacial Lake Agassiz into the Lake Michigan basin; contrasts in climatic and oceanographic effects: Geological Society of America, Geology, v. 22, no. 6, p. 547-550.


Summary:

Wilmette Bed in the lower portion of Lake Michigan Formation overlies Two Rivers Till and is separated from that till by several meters of red glaciolacustrine clay.

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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