State | Massachusetts |
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Name | Glastonbury Gneiss |
Geologic age | Ordovician |
Lithologic constituents | Major
Metamorphic > GneissMassive granitic gneiss in core of Glastonbury dome and in adjacent areas.
|
Comments | Part of Bronson Hill Zone (Ordovician and Older Rocks) |
References | |
NGMDB product | |
Counties | Hampden |