Water-saturated melting relations to 5 kilobars of three Leucite Hills lavas

✍ Scribed by M. Barton; D. L. Hamilton

• Book ID: 104747405
• Publisher: Springer
• Year: 1978
• Tongue: English
• Weight: 821 KB
• Volume: 66
• Category: Article
• ISSN: 0010-7999
• DOI: 10.1007/bf00376084

✦ Synopsis

The water-saturated phase relations of three Leucite Hills lavas have been determined at pressures up to 5 kb. Phlogopite is the major primary liquidus phase in orendite and wyomingite at pressures, > 1 kb, but clinopyroxene and olivine are the major primary liquidus phases in madupite at pressures up to 5 kb. Leucite is a liquidus phase in all three magmas at pressures <0.5 kb. The experimental results are in reasonable agreement with the inferred crystallization sequences for the Leucite Hills lavas and have applications to the crystallization and differentiation of potassium-rich magmas within the crust.