Zobrazeno 1 - 10 of 23 pro vyhledávání: '"Hisayoshi Igo"'
1
A remarkable sea-level drop and relevant biotic responses across the Guadalupian–Lopingian (Permian) boundary in low-latitude mid-Panthalassa: Irreversible changes recorded in accreted paleo-atoll limestones in Akasaka and Ishiyama, Japan
Autor: Yukio Isozaki, Daisuke Kofukuda, Hisayoshi Igo
Publikováno v: Journal of Asian Earth Sciences. 82:47-65
The Capitanian (Upper Guadalupian) to Wuchiapingian (Lower Lopingian) shallow-marine limestones at Akasaka and Ishiyama in central Japan record unique aspects of the extinction-related Guadalupian–Lopingian boundary (G-LB) interval. The ca. 140 m-t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9582274af0437ce76baeffd4a540597a
https://doi.org/10.1016/j.jseaes.2013.12.010
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2
Constraining paleo-latitude of a biogeographic boundary in mid-Panthalassa: Fusuline province shift on the Late Guadalupian (Permian) migrating seamount
Autor: Yukio Isozaki, Akihisa Kasuya, Hisayoshi Igo
Publikováno v: Gondwana Research. 21:611-623
The Guadalupian paleo-atoll limestone (Iwato Formation) in SW Japan was primarily formed in low-latitude mid-Panthalassa and was later tectonically accreted to South China (Japan) margin during the Jurassic. The present biostratigraphic study clarifi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca596aa3147fca3482366e41ca5b4ad4
https://doi.org/10.1016/j.gr.2011.06.001
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3
Cone-in-cone Structure in the Itsukaichimachi Group (Miocene) in Akiruno City, Tokyo
Autor: Yoshibumi Kikuchi, Hisayoshi Igo, Shuko Adachi
Publikováno v: Journal of Geography (Chigaku Zasshi). 106:614-634
Cone-in-cone structure is observed in the Kosho Alternation Member of the Itsukaichimachi Group (Miocene) exposed along the Akigawa River in Akiruno City, Tokyo. This sedimentary structure has long been studied in Europe and North America but there r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2da9db82ee1838770474d556c8b2f1f
https://doi.org/10.5026/jgeography.106.5_614
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5
Occurrence of paleozoic and early mesozoic radiolaria in Thailand (preliminary report)
Autor: Hisayoshi Igo, Nikorn Nakornsri, Apsorn Ampornmaha, Ken-Ichiro Hisafa, Katsuo Sashida
Publikováno v: Journal of Southeast Asian Earth Sciences. 8:97-108
Paleozoic and Early Mesozoic radiolarians are newly recovered from chert and associated fine-grained clastic rocks in Thailand. This study clarifies the geologic age of these radiolarian rocks and their paleogeographic and geotectonic significance. D
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66a8453f669871a27150e3029f482c47
https://doi.org/10.1016/0743-9547(93)90011-d
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