Glastonbury Gneiss

Massive granitic gneiss in core of Glastonbury dome and in adjacent areas.
State Massachusetts
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