タイトル別名 Characteristics of Japanese Loam, and its Eolian Origin(<Special Section>Volcanic History and Eruptive Deposits) 日本に広く分布するローム層の特徴とその成因 ニホン ニ ヒロク ブンプスル ロームソウ ノ トクチョウ ト ソノ セイイン Loam is an international scientific term, however, it has been used in a peculiar way in Japan. Japanese loam is a massive, brown, weathered rock unit composed of silt, clay, sand and occasional lapilli. It extensively