Scituate Granite Gneiss

Gneissic granite containing biotite in small clots. Equivalent to part of former Northbridge Granite Gneiss (usage now abandoned). Gradational with Zhg.
State Massachusetts
Name Scituate Granite Gneiss
Geologic age Proterozoic Z
Lithologic constituents
Major
Igneous > Plutonic > Granitic > GraniteGneissic granite containing biotite in small clots.
Comments Part of Milford-Dedham Zone (Tertiary and Older Rocks)
References
NGMDB product
Counties Middlesex - Worcester