TY - RPRT TI - Plagioclase zonation styles in hornblende gabbro inclusions from Little Glass Mountain, Medicine Lake volcano, California: Implications for fractionation mechanisms and the formation of composition gaps AU - J. G. Brophy AU - M. J. Dorais AU - J. Donnelly-Nolan AU - B. S. Singer PY - 1997 DO - 10.1007/s004100050239 UR - https://pubs.usgs.gov/publication/70019526 ID - 70019526 ER -