U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Nealmont

Usage:

Nealmont Limestone (NY*,PA*,VA*,WV*)
Nealmont Limestone of Trenton Group (VA*,WV*)
Nealmont Formation of Trenton Group (PA*,WV)


Subunits:

(alphabetical) --all in PA: Centre Hall Member, Oak Hall Member, Rodman Member.


Geologic age:

Middle Ordovician*
Rocklandian*


Type section, locality, area and/or origin of name:

Type section: at Union Furnace, Huntingdon Co., PA. Named from village of Nealmont, Blair Co., PA, 2 mi east of Tyrone (Kay , 1941).


AAPG geologic province:

Appalachian basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).