Supplemental Material: The eruptive history, magmatic evolution, and influence of glacial ice at long-lived Akutan volcano, eastern Aleutian Islands, Alaska, USA

Table S1: Sample descriptions, locations, and all major- and trace-element data; Table S2: Complete 40Ar/39Ar data; Figure S1: Photographs of lava-sample outcrops; Figure S2: Plateau and isochron figures for all 40Ar/39Ar experiments; Figure S3: Chondrite-normalized (McDonough and Sun, 1995) REE plots of eruptive products from Akutan Island, sorted by geologic unit.

Supplemental Material: The eruptive history, magmatic evolution, and influence of glacial ice at long-lived Akutan volcano, eastern Aleutian Islands, Alaska, USA

Table S1: Sample descriptions, locations, and all major- and trace-element data; Table S2: Complete 40Ar/39Ar data; Figure S1: Photographs of lava-sample outcrops; Figure S2: Plateau and isochron figures for all 40Ar/39Ar experiments; Figure S3: Chondrite-normalized (McDonough and Sun, 1995) REE plots of eruptive products from Akutan Island, sorted by geologic unit.

Supplemental Material: The eruptive history, magmatic evolution, and influence of glacial ice at long-lived Akutan volcano, eastern Aleutian Islands, Alaska, USA

Table S1: Sample descriptions, locations, and all major- and trace-element data; Table S2: Complete 40Ar/39Ar data; Figure S1: Photographs of lava-sample outcrops; Figure S2: Plateau and isochron figures for all 40Ar/39Ar experiments; Figure S3: Chondrite-normalized (McDonough and Sun, 1995) REE plots of eruptive products from Akutan Island, sorted by geologic unit.