1990 年 44 巻 6 号 p. 295-307
The author reviews the literatures published in the 1980's, on the subaqueous volcanic rocks consisting of coherent lavas and volcaniclastic rocks. The literatures on subaqueous lavas are dealing with formation of pillow lavas, lava lobes and pseduo-pillow lavas, and those on subaqueous volcaniclastic rocks are concerning about mechanism and physical condition of the fragmental rocks, such as pyroclastic rocks, hyaloclastites and peperites. Finally, he reviews several papers on reconstruction of submarine volcanoes. In addition, he introduces several actual examples of subaqueous lavas of geologic time by photographs.