- Usage in publication:
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- Kenyon member
- Modifications:
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- Original reference
- Dominant lithology:
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- Sandstone
- AAPG geologic province:
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- Wisconsin arch
Summary:
Pg. 153 (fig. 2), 154-155. Kenyon member of Mount Simon formation. Name proposed for thin conglomeratic sandstone overlying Crane member (new). Type section extends from depths of 2,975 to 3,105 feet. Thickness 34 to 130 feet. Where less than 80 feet thick is composed chiefly of coarse-grained sandstone containing quartz granules; where thicker, consists of conglomeratic sandstone interbedded with nonconglomeratic layers. Underlies Lowell member (new). Recognized in subsurface of northern Illinois. Age is Late Cambrian.
Type well: depth-interval 2,975 to 3,105 feet, Wyman No. 1 (well 7), in NE/4 NE/4 SE/4 sec. 35, T. 41 N., R. 5 E., DeKalb Co., northern IL. Named from Kenyon School, 3.25 mi southeast of type well.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1994).
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 ([ ]).