The uppermost mantle section of a maturing arc: Insights from the Talkeetna Arc section, Alaska

Hamed Mohammed Gamal El Dien1, Tomoaki Morishita2, Yusuke Soda3, Akihiro Tamura4, Sumiaki Machi2, Kenichiro Tani5, Seth Hopper6 and Peter B Kelemen7, (1)Tanta University, Tanta, Egypt, (2)Kanazawa University, Kanazawa, Japan, (3)Kanazawa University, Ishikawa, Japan, (4)Kanazawa University, Kanagawa, Japan, (5)National Museum of Nature and Science, Ibaraki, Japan, (6)University of Alaska Fairbanks, Alaska, United States, (7)Columbia University, Palisades, NY, United States