Usage:
Aspers basalt (informal) (PA)
basalt at Aspers (informal) (PA)
Informal. The rank or lithologic term should not be capitalized.
Geologic age:
Early Jurassic
Type section, locality, area and/or origin of name:
Named from town of Aspers, [about 1.5 mi east of Bendersville], Biglerville 7.5-min quadrangle, Adams Co., southern central PA (Cornet, 1977).
Notable exposures in roadcut 0.5 mi south of Bendersville, Biglerville 7.5-min quadrangle, Adams Co., southern central PA (Cornet, 1977; see also Stose and Bascom, USGS Geol. Atlas of the US, Fairfield-Gettysburg folio, no. 225, p. 11, fig. 9, 1929).
AAPG geologic province:
Gettysburg basin
Piedmont-Blue Ridge province
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 ([ ]).