Usage:
Burket Member of Harrell Formation (PA*)
Burket Member of Harrell Shale (MD,PA)
Burket Shale (PA)
Burket Shale Member of Harrell Formation (PA,WV*)
Burket Shale Member of Rush Formation (PA)
/Burket Black Shale Member of Harrell Formation (PA*)
/Burket Black Shale Member of Harrell Shale (MD*)
[Use of simple lithic terms is preferred (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Superfluous compound terms such as ["black shale"] should be avoided. The simplest generally acceptable term is recommended (for example, [shale]) (NACSN, 1983, Art. 30b).]
Geologic age:
Early Devonian*
Type section, locality, area and/or origin of name:
Named from exposures at Burket, a suburb of Altoona, Blair Co., central PA (Butts, 1918).
AAPG geologic province:
Appalachian 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 ([ ]).