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Title :Systematics and palaeobiogeograpy of Permian brachiopods from Pliocene conglomerate of Hitachi, central Japan
Authors :Tazawa, Jun-ichi
Publisher :新潟大学理学部
Issue Date :Mar-2015
Journal Title :Science reports of Niigata University. (Geology)
Volume :30
Start Page :57
End Page :88
ISSN :1349-1237
Abstract :This paper describes a Permian brachiopod fauna (Ishinazaka fauna) from shale and argillaceous limestone boulders in the basal conglomerate of the Pliocene Kume Formation of Hitachi, central Japan, and reexamines the age and palaeobiogeography of the fauna. The results, which are the same as our previous opinions, are as follows: 1) the Ishinazaka fauna, consisting of 17 species in 16 genera, resembles the middle Permian brachiopod fauna of the South Kitakami Belt in species composition, and indicates a middle Permian (Wordian) in age; 2) the Ishinazaka fauna is a mixed Boreal‒Tethyan fauna in the Sino-Mongolian‒Japanese Province; and 3) the Hitachi area was probably part of the continental shelf bordering the eastern margin of North China during the Wordian.
Keywords :Ayukawa Formation
brachiopod
Hitachi Palaeozoic rocks
Ishinazaka fauna
Permian
Type Local :紀要論文
Language :eng
Format :application/pdf
URI :http://hdl.handle.net/10191/32235
fullTextURL :http://dspace.lib.niigata-u.ac.jp/dspace/bitstream/10191/32235/1/30_57-88.pdf
Appears in Collections:02 Science reports of Niigata University. (Geology)

Please use this identifier to cite or link to this item: http://hdl.handle.net/10191/32235