| Cover Story |
| Two humid events recorded in the Upper Triassic of the Dolomites, northern Italy |
| -- Tetsuji Onoue and Manuel Rigo -- 2 |
| |
| Contribution |
| On the sedimentary geology |
| -- Shinjiro Mizutani -- 3-15 |
| |
| Data |
| The years of beginning on sequence stratigraphy: dissemination and permeation of sequence stratigraphy accelerated by Prof. P.R. Vail's visit to Japan |
| -- Hiroyuki Arato -- 17-28 |
| |
| Note |
| Roundness of ripple crest and its implication for sedimentary process |
| -- Naofumi Yamaguchi -- 29-38 |
| |
| Conference Reports |
| A report on the workshops at the 2018 annual meeting of the Sedimentological Society of Japan |
| -- Kazunori Fujita and Shiori Uchiyama -- 39-44 |
| A report on the field trip of the 2018 annual meeting of the Sedimentological Society of Japan |
| -- Takako Utsugawa -- 45-49 |
| |
| Laboratory Introduction |
| Center for Water Environment Studies, Ibaraki University |
| -- Naofumi Yamaguchi -- 51-53 |
| |
| Book Reviews |
| -- 55-56 |
| Announcement |
| -- 57-77 |
