USGS Visual Identifier
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Geologic Unit: Smalls Falls

Usage:
Smalls Falls Formation (ME*,NH*,VT*)

Age:
Silurian*
Wenlockian*
Ludlovian*
Geologic Province:
New England province*


Areal Extent:
ME*
NH*
VT*

Type Locality:
Smalls Falls, Rangeley 15-min quadrangle, west-central ME (Osberg and others, 1968).

Unit Name History:
First used (Furlong, 1960).
Named (Osberg and others, 1968).
Revised; Extended into NH (Pankiwskyj and others, 1976).
Revised; Areal limits (Moench, 1990).
Revised; Areal limits, Extended into VT; Age modified; Biostratigraphic dating (Moench and others, 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