TY - RPRT TI - Prehnite- and pumpellyite-bearing mineral assemblages, west side of the Appalachian metamorphic belt, Pennsylvania to Newfoundland AU - E-an Zen PY - 1974 DO - 10.1093/petrology/15.2.197 UR - https://pubs.usgs.gov/publication/70246985 ID - 70246985 ER -