- Usage in publication:
-
- Wabash Detroit Formation*
- Modifications:
-
- Named
- AAPG geologic province:
-
- Okanogan province
Summary:
Unit is named the Wabash Detroit Formation. Consists of dolomite with subordinate argillite, quartzite, and carbonate-bearing quartzite and siltite; may also contain greenstone in upper part of formation. Thickness is about 240 m. Overlies the Chamokane Creek Formation (new); underlies the McHale Slate. Age is Middle Proterozoic.
Source: GNU records (USGS DDS-6; Menlo 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 ([ ]).