Aleutian Island Arc Magmagenesis: Geochemical Variability and U-Pb Dating of Zircons in Unalaska Volcanic and Plutonic Rocks

• Main Author: Trim, Charelle
• Language: English
• Published: University of Florida 2017
• Subjects: alaska; aleutians; arcs; geochemistry; magmagenesis; volcanoes; Sedanka; Aleutian Island; Alaska
• Online Access: http://ufdc.ufl.edu/UFE0051582/00001

Arcs are important for understanding crustal development. This study focuses on Unalaska Island, an island in the Central-Eastern Aleutians. Plutonic and volcanic samples collected during a 1975-76 field excursion from the Unalaska Formation, Captains Bay Pluton and Shaler Pluton on Unalaska Island...