TY - RPRT TI - Magmatic (silicates/saline/sulfur-rich/CO2) immiscibility and zirconium and rare-earth element enrichment from alkaline magma chamber margins : Evidence from Ponza Island, Pontine Archipelago, Italy AU - H. E. Belkin AU - B. de Vivo AU - A. Lima AU - K. Torok PY - 1996 UR - https://pubs.usgs.gov/publication/70018116 ID - 70018116 ER -