2024-03-28T10:15:09Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/366612022-11-17T02:08:08Zhdl_2115_34818hdl_2115_34816hdl_2115_116Permian Calcareous Algae Found in the Matsumae Group, Matsumae Peninsula, Southwestern HokkaidoMinoura, NachioKato, Makotoopen access450Permian calcareous algae Gymnocodium bellerophontis and Mizzia velebitana were found in an algal limestone bed intercalated in the Matsumae Group exposed at the upper stream of Komatagawa River, about 5 km northwest of Fukushima town, Southwestern Hokkaido. The limestone is intercalated within the alternation of greenish gray basaltic tuff and slate, and the whole sequence is continuous at least about 2 km along its strike direction. Considerable part of the Matsumae group may be assigned to Permian in age.北海道大学Hokkaido University1978-03engdepartmental bulletin paperVoRhttp://hdl.handle.net/2115/366610018-3474北海道大学理学部紀要Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy183377383https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/36661/1/18_3_p377-383.pdfapplication/pdf1.42 MB1978-03