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National Geologic Map Database

NGMDB

Geologic Unit: Hillier

Usage:

Hillier Limestone (NY)
Hillier Limestone of Trenton Group (NY)
Hillier Member of Cobourg Formation of Trenton Group (NY?,Canada)


Geologic age:

Middle Ordovician


Type section, locality, area and/or origin of name: (See Canadian Lexicon)

Exposed for several mi along northern shore of Lake Ontario, west of Wellington, Hillier Twp., Prince Edward Co., Ontario, Canada. Named from the township (Kay, 1937).


AAPG geologic province:

Appalachian basin


NGMDB

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 ([ ]).

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Page Last Modified: Tue Jun 3 17:52:41 2014