State | Vermont |
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Name | Northfield Formation - quartzite, grit, and conglomerate member |
Geologic age | Lower Devonian and Upper Silurian |
Lithologic constituents | Major
Sedimentary > Clastic > ConglomerateGray quartzite and conglomerate.
Metamorphic > Metasedimentary > Metaclastic > Metasandstone > MetagraywackeDark-gray quartz-pebble metawacke.
Metamorphic > Metasedimentary > Metaclastic > QuartziteGray quartzite and conglomerate.
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Comments | On the printed map the unit label is DSnq, but in the GIS it is Snq. Changing to DSnq to match the printed map; Snq is a mistake according to Greg Walsh (oral communication 2012). |
References | |
NGMDB product | |
Counties | Windham - Windsor |