- Usage in publication:
-
- St. Francois limestone
- Modifications:
-
- Original reference
- Dominant lithology:
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- Limestone
- AAPG geologic province:
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- Ozark uplift
Summary:
Pg. 331, 346, 349-354. St. Francois limestone. Great body of magnesian limestone, 600 feet thick, lying between La Motte [Lamotte] sandstone below and Crystal City [St. Peter] sandstone above in southeastern Missouri. Includes Potosi limestone and St. Joseph limestone. [Age is Late Cambrian.]
[Named from St. Francois Co., eastern MO.]
Source: US geologic names lexicon (USGS Bull. 896, p. 1873).
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 ([ ]).