山形市北東部瀬ノ原山山腹の化石周氷河現象
1969 年 21 巻 4 号 p. 217
詳細
1969 年 21 巻 4 号 p. 217
The fossil Periglacial phenomenon originated in the last glacial age, was found at the section of the terrace on the mountain side of Mt. Senohara. The deposits of this terrace (correlated to the obanazawa I surface) were measured by radiocarbon test to be those of ca. 30, 000 years before present.
