月吉凝灰質砂岩層の堆積速度について

抄録

The Miocene Mizunami group is typically developed in the environs of Mizunami city, Gihu Prefecture. In Tukiyosi and Togari regions of the same city, the group is lithologically divided in descending order into the following four formations:
4) The Oidawara tuffaceous mudstone
3) The Hazama pumiceous sandstone and conglomerate
2) The Togari tuffaceous siltstone
1) The Tukiyosi tuffaceous sandstone