Slaughterhouse Gneiss (MD)
Precambrian, late
Proterozoic, Middle
Outcrops along Slaughterhouse Branch, southeast of Baltimore Beltway I-695, Cockeysville quadrangle, Baltimore Co., MD (Crowley, 1976).
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 ([ ]).