TY - RPRT TI - Trondhjemite and metamorphosed quartz keratophyre tuff of the Ammonoosuc volcanics (Ordovician), western New Hampshire and adjacent Vermont and Massachusetts AU - G. W. Leo PY - 1985 DO - 10.1130/0016-7606(1985)96<1493:tamqkt>2.0.co;2 UR - https://pubs.usgs.gov/publication/70012997 ID - 70012997 ER -