TY - RPRT TI - Compositional zonation and cumulus processes in the Mount Mazama magma chamber, Crater Lake, Oregon AU - T. H. Druitt AU - Charles R. Bacon PY - 2011 DO - 10.1017/s0263593300014280 UR - https://pubs.usgs.gov/publication/70200578 ID - 70200578 ER -