Phil Shane

Antecryst acquisition when eruptible and non-eruptible silicic magmas collide in the upper crust, illustrated by the ~ 14 ka Belfond event, Saint Lucia (Lesser Antilles)

Abstract Antecrysts are relic or co-magmatic phenocrysts that are common in volcanic rocks of arc settings. Their occurrence is a foundation of the crystal mush paradigm for crustal magmatism, although the putative mush is rarely erupted. The 13.6 ka Belfond eruption (Saint Lucia...