TY  - RPRT
TI  - The Spruce Head composite pluton: An example of mafic to silicic Salinian magmatism in coastal Maine, northern Appalachians
AU  - Robert A. Ayuso
AU  - Joseph G. Arth
PY  - 1997
DO  - 10.1130/0-8137-1191-6.19
UR  - https://pubs.usgs.gov/publication/70246538
ID  - 70246538
ER  -