Lots of debris flow / breccia. Breccia has pumice clasts (Fisher?) but no glassy bits found (not Fisher?) Entire cap is this stuff. All of the rest (S. Side) is alluvium, with outcrops of breccia on some ridgetops Breccia, containing pumice, lava bits, cinder bits, hydrothermally altered bits (green), but no glassy bits.
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes