Marine Terraces of the Tsugaru Peninsula, Aomori Prefecture

Abstract

The Tsugaru Peninsula, in the northernmost of Tohoku region is characterized by the development of several marine terraces. The author has studied this area since 1959, and in this paper, he discussed on these terraces and the earth movements of this district.
The followings are the conclusion : a) these marine terraces are classified into 8, and are correlated with those of the Shimokita peninsula (Table 1), b) it is recognized that the peninsula once had undergone a tilting movement from south to north (Fig. 5), and in the Tsugaru alluvial plain, there is an NNW-SSE down-warping movement (Fig. 7), c) location and development of marine terraces in this terrain have a close connection with geological structure.