The Pauzhetka tephra (South Kamchatka): A key middle Pleistocene isochron for the Northwest Pacific and Okhotsk Sea sediments

• Published in: Journal of Geophysical Research: Atmospheres
• Main Authors: Bubenshchikova, Natalia, Ponomareva, Vera, Portnyagin, Maxim, Nürnberg, Dirk, Chao, Weng-si, Lembke-Jene, Lester, Tiedemann, Ralf
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier 1481
• Subjects: Emperor Seamount Chain; Okhotsk; Pacific; Pauzhetka; Kamchatka; okhotsk sea
• Online Access: https://oceanrep.geomar.de/id/eprint/59276/; https://oceanrep.geomar.de/id/eprint/59276/1/Bubenshchikova%20et%20al.%202023.pdf; https://www.sciencedirect.com/science/article/pii/S1871101423000559?via%3Dihub; https://doi.org/10.1016/j.quageo.2023.101476

Highlights: • Ca. 418 ka Pauzhetka tephra from South Kamchatka was found in 11 marine sediment cores. • New major and trace element analyses allow identification of tephra glasses. • K/Ti and K/Fe maxima mark the Pauzhetka tephra presence in marine sediments. • The tephra occurs at Marine Isotope St...