Usage:
Heidlersburg Sandstone Member of Gettysburg Formation (PA*)
Heidlersburg Member of Gettysburg Formation (PA)
Geologic age:
Triassic, Late*
Type section, locality, area and/or origin of name:
Type section (composite): in vicinity of Heidlersburg, Biglerville 7.5-min quadrangle, Adams Co., PA (Stose and Bascom, 1929).
AAPG geologic province:
Piedmont-Blue Ridge province*
Gettysburg 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 ([ ]).