Pyroclastic plateaus

mountain range

is a broad pyroclastic plateau in southern Japan. It covers almost all of southern Kyūshū, which was formed by pyroclastic flows. It covers more than half of Kagoshima Prefecture, as well as 16% of Miyazaki Prefecture. The Japanese Shirasu (シラス) is a local name of the pumiceous sediments in Kagoshima Prefecture, Japan. The term has been recommended to be used just for the non-welded ignimbrite component in the Japanese geological literature. Daichi (台地) means plateau. ==Geology== A major three phase eruption of the Aira Caldera formed in the first phase the Osumi pumice fall, had a second phas

Volcanic landform in New Mexico, United States