Paleogene Molluscan Faunas from the Kushiro Coal Field, Eastern Hokkaido

• Main Author: Honda Yutaka
• Format: Report
• Language: English
• Published: Tohoku University 1989
• Subjects: Paleogene; molluscs; faunal provinces; paleobiogeography; Kushiro coal field; Gulf of Alaska; McCoy; Pacific; Kamchatka; Koryak; Sakhalin; Alaska
• Online Access: http://hdl.handle.net/10097/28865; https://tohoku.repo.nii.ac.jp/?action=repository_uri&item_id=12062; https://tohoku.repo.nii.ac.jp/?action=repository_action_common_download&item_id=12062&item_no=1&attribute_id=18&file_no=1

The Urahoro Group consists of sandstone and conglomerate, with intercalated coal seams, and yields nonmarine and shallow marine molluscs, including Ostrea. Chlamys, Corbicula, Nemocardium and Mya. The Ombetsu Group rests unconformably upon the Urahoro Group, and consists of siltstone, with a basal s...