USGS Visual Identifier
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Geologic Unit: Gile Mountain

Usage:
Gile Mountain Formation (VT*,NH*,MA*)

Age:
Silurian
Devonian, Early(?)*
Emsian(?)*
Geologic Province:
New England province*


Areal Extent:
VT*
MA*
NH*

Type Locality:
Named from exposures on Gile Mountain in southern part of Strafford quadrangle, VT (Doll, 1944). [From US geologic names lexicon, USGS Bull. 1200]

Subunits:
Meetinghouse Slate Member (VT*,NH*), Northfield Member (VT*), Standing Pond Amphibolite Member (NH)

Unit Name History:
Named (C.G. Doll, [1944], Vermont State Geol. 24th Rpt. 1943-1944, p. 18-19, pl. 3, 4) [From US geologic names lexicon, USGS Bull. 1200; synopsis not incuded here].
MA State Geol. Map usage (Zen and others, 1983).
Areal limits; Overview (Hatch and others, 1988).
Revised (Hatch, 1989).
Isotopic dating (Spear and Harrison, 1989).
Areal limits (Thompson, 1990).
Biostratigraphic dating (Hueber, 1990).
Revised (Hatch, 1991).
Age disputed (Offield and others, 1993).
Age modified; Overview; Contacts and stratigraphic position discussed (Moench and others, 1995).
Remarks on age (GNU Staff, 1995).
NH State Geol. Map usage (Lyons and others, 1997).

Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov).
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).






U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
Database project personnel
Last modified: 15-Jan-2013