13:45 〜 15:15 [BCG05-P01] Late Early Cretaceous radiolarian assemblages from limestone gravels washed out from the basal conglomerate bed of the Pliocene Naarai Formation in Choshi area of central Japan *柏木 健司1、伊藤 徳昭2 (1.富山大学理学部自然環境科学科、2.富山大学理学部生物圏環境科学科)