Pg. 12. Wellington shale (restricted) divided into (descending): (1) Carlton limestone (thin-bedded limestone, massive limestone, thin shale, and at base, conglomerate), 17+/- feet thick; (2) Buckeye shale, 45+/- feet thick.
[Origin of new names Carlton and Buckeye not stated.]
[GNC remark (ca. 1936, US geologic names lexicon, USGS Bull. 896, p. 349): Carlton limestone of Sumner group. Recognized in central southern Kansas. Age is Permian.]
Source: US geologic names lexicon (USGS Bull. 896, p. 349); GNC KS-NE Permian Corr. Chart, Oct. 1936.
Pg. 6-8. Carlton limestone member of Wellington formation. Wellington formation is subdivided into 10 members. The Carlton is the fifth in the sequence (descending). Younger than Highland shale member (new); older than Chisolm Creek shale member (new). Age is Permian.
Source: US geologic names lexicon (USGS Bull. 1200, p. 640).
Pg. 41. Carlton limestone member of Wellington formation. Occurs a short distance below Hutchinson salt member. Contains fossil insects. Age is Early Permian (Leonard).
Source: US geologic names lexicon (USGS Bull. 1200, p. 640).
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 ([ ]).