@misc{indiciae2ca62358cbc0, title = {Prehnite- and pumpellyite-bearing mineral assemblages, west side of the Appalachian metamorphic belt, Pennsylvania to Newfoundland}, author = {E-an Zen}, year = {1974}, doi = {10.1093/petrology/15.2.197}, url = {https://pubs.usgs.gov/publication/70246985}, note = {Source identifier: 70246985} }