TY - RPRT TI - A Model to help explain Sr-isotope disequilibrium between feldspar phenocrysts and melt in large-volume silicic magma systems AU - W. A. Duffield AU - Joaquin Ruiz PY - 1994 DO - 10.3133/ofr94423 UR - https://pubs.usgs.gov/publication/ofr94423 ID - ofr94423 ER -