- Usage in publication:
-
- Gove member*
- Modifications:
-
- Revised
- Age modified
Summary:
Gove member reallocated to Berwick formation. Age designated as probably Ordovician and Silurian.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Gove Member*
- Modifications:
-
- Overview
- Age modified
- AAPG geologic province:
-
- New England province
Summary:
Used as Gove Member of Berwick Formation of Merrimack Group; separately mapped. Consists of white muscovite schist. Equivalent to Gonic Formation of Hussey (1985) in ME. Age of all formations in Merrimack Group changed to Ordovician(?) to Silurian(?) based on isotopic age determinations of approx 440 and 420 Ma from detrital zircons from Berwick by J.N. Aleinikoff (oral commun., 1994). Report includes geologic map, cross sections, correlation chart, and four 1:500,000-scale derivative maps.
Source: GNU records (USGS DDS-6; Reston GNULEX).
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 ([ ]).