The National Geologic Map Database is migrating to a new infrastructure. We apologize for any service disruptions during this process.

U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Geologic Units: Maumee River
Map showing publication footprint
  • Usage in publication:
    • Maumee River Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Dolomite
  • AAPG geologic province:
    • Cincinnati arch
Publication:

Kahle, C.F., and Floyd, J.C., 1971, Stratigraphic and environmental significance of sedimentary structures in Cayugan (Silurian) tidal flat carbonates, northwestern Ohio: Geological Society of America Bulletin, v. 82, no. 8, p. 2071-2098.


Summary:

Name Maumee River Member of Tymochtee Formation applied to 20 m of gray to brown shaly dolomite in Waterville quarry, Wood Co., northwestern OH. Strata are cross-bedded with sedimentary structures including shrinkage cracks, flute casts, and stylolites. Overlies Ovitt Road Member (new) and underlies Roche de Boeuf Member (new), both of Tymochtee Formation. Age is Late Silurian.

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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Thu 21 May 2026 05:09:54 PM MDT