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National Geologic Map Database

Geologic Unit: Leverett

Usage:

No current usage.
(Rocks of †Leverett Breccia of Newark Supergroup (MA) reallocated to Mount Toby Conglomerate. See Mount Toby.)


Geologic age:

Jurassic, Early


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

Talus breccia forming the core of the eastern scarp of Mount Toby, west of old Mount Toby Station of the Vermont Central RR. Named from nearby town of Leverett, Franklin Co., MA (Reynolds and Leavitt, 1927).


AAPG geologic province:

New England province
Deerfield basin


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 ([ ]).