Usage:
Lyon Mountain Granite Gneiss (NY*)
Geologic age:
Mesoproterozoic*
Type section, locality, area and/or origin of name:
Notable exposures in and near village of Lyon Mountain, Clinton Co., northern NY (Miller, 1919).
Named from exposures in the hamlet of Lyon Mountain, located in the town of Dannemora in Clinton County, New York
AAPG geologic province:
Adirondack uplift*
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 ([ ]).