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Title :北海道北部、羽幌層の古第三紀渦鞭毛藻化石・花粉化石とその地質年代および堆積環境
Title alternative :Paleogene dinoflagellate cysts and pollen from the Haboro Formation, northern central Hokkaido, Japan, and their chronostratigraphic and paleoenvironmental implications
Authors :栗田, 裕司
小布施, 明子
Publisher :日本地質学会
Issue Date :Apr-1994
Journal Title :地質学雑誌
Volume :100
Issue :4
Start Page :292
End Page :301
ISSN :0016-7630
Abstract :Palynological studies on the coal-bearing Haboro Formation in the Haboro area, northern central Hokkaido, Japan, have revealed that the formation is latest Paleocene to earliest Eocene in age. The dating is supported by diverse dinoflagellate cyst assemblages and several index pollen species. This conclusion suggests that the Paleogene sedimentary basin was formed by the early Early Eocene through central Hokkaido, where Paleogene clastic sequences were regionally developed. Diagnostic species include : Apectodinium hyperacanthum, Cannosphaeropsis utinensis, Cerodinium spp., Deflandrea robusta, D. truncate, Glaphyrocysta pastielsii, Hystrichokolpoma salacium and Trithyrodinium evittii (dinoflagellate cysts) : Liquidambarpollenites orientaliformis, L. Styracifluaeformis, Paraalnipollenites alterniporus, Pistillipollenites macgregorii, Reevesiapollis suu. And Tsugaepollenies igniculus f. major (pollen).
Type Local :学術雑誌論文
Language :jpn
Format :application/pdf
URI :http://hdl.handle.net/10191/17793
fullTextURL :http://dspace.lib.niigata-u.ac.jp/dspace/bitstream/10191/17793/1/ZC_100(4)_292-301.pdf
Appears in Collections:10 査読済論文 = Postprint

Please use this identifier to cite or link to this item: http://hdl.handle.net/10191/17793