Microfossil age of the Miocene sequence exposed along the Kunugawa River, Utsunomiya City, Tochigi Prefecture, central Honshu, Japan.
نویسندگان
چکیده
منابع مشابه
Refined Paleomagnetic Direction of the Miocene Motegi Formation, Tochigi Prefecture, Central Honshu
To refine the early Middle Miocene (ca. 16 Ma) paleomagnetic direction in the Motegi area, we collected paleomagnetic samples from dacite domes and intrusives of the Motegi Formation. Characteristic remanent magnetization components were revealed by stepwise demagnetization, which were used to calculate site-mean directions for 10 sites. Together with published data from 11 andesite and basalt ...
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A new fossil filefish, Aluterus shigensis sp. nov., with a close resemblance to the extant Aluterus scriptus (Osbeck), is described from the Middle Miocene Bessho Formation in Nagano Prefecture, central Japan. It is characterized by: 21 total vertebrae; very slender and long first dorsal spine with tiny anterior barbs; thin and lancet-shaped basal pterygiophore of the spiny dorsal fin, with its...
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ژورنال
عنوان ژورنال: The Journal of the Geological Society of Japan
سال: 2008
ISSN: 0016-7630,1349-9963
DOI: 10.5575/geosoc.114.141