Usage:
SKOLITHOS quartzite (informal, unranked) in Deadwood Formation (SD,WY)
SKOLITHOS sandstone (informal, unranked) in Deadwood Formation (SD,WY)
Misspelled SCOLITHUS in some reports.
Informal and unranked. The lithologic term should not be capitalized.
Geologic age:
Late Cambrian to Early Ordovician
Type section, locality, area and/or origin of name:
An informal paleontologic term used to identify a "worm-eaten" quartzite 5 to 12 ft thick near top of Cambrian section in northern Black Hills, SD (Jaggar, 1901).
See also S.P. Albert, 1974 (Jour. Paleo, v. 48, no. 4, p. 661-669) for systematic review of the trace fossil genus SKOLITHOS Haldeman, 1840.
AAPG geologic province:
Powder River basin
Williston basin
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 ([ ]).