sample : Ioto drifting pumice released by the October - November 2023 eruption.
location : Jogashima, Misaki-machi, Miura City, Kanagawa Prefecture, Japan. googlemap
collector : Hiroyuki Shioi
collected date : June 2, 2024
analysis : major element and trace element
equipments : EDX(major element), LA-ICP-MS(trace element)
analyst : FURUSAWA Geological Survey
note : Twenty (major element) and Fifteen (trace element) samples were randomly selected from three pumice stones ground to sand-sized pieces in an agate mortar. The sand grains consisted of pumice-type volcanic glass.
usage : public domain
Harker diagram of major elements
Trace elements normalized by upper crust
Photos
August 25, 2024. Miura Beach (Kikuna Beach), Minamishitaura-machi, Miura City, Kanagawa Prefecture, Japan. googlemap