Early Silurian (Llandoverian) radiolarians from the Ise area of the Hida "Gaien" Belt, central Japan

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概要

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• A moderately well-preserved Llandoverian (early Early Silurian) radiolarian fauna has been discovered from the Ise area of the Hida "Gaien" Belt, in Izumi Village, Fukui Prefecture, central Japan. This is the oldest known radiolarian fauna in Japan, and was recovered from calcareous nodules in the siliceous shale portion of a sedimentary sequence consisting of siliceous shale, alternating tuffaceous sandstone and shale, and tuffaceous sandstone. The fauna contains Haplotaeniatum tegimentum, Syntagentactinia afflicta, S. excelsa, Oriundogutta sp., Inanihella sp., Auliela sp., Palaeoephippium? sp., and Orbiculopylorum sp. This fauna is characterized by an abundance of species in the genera Haplotaeniatum, Syntagentactinia and Oriundogutta, and is comparable with the early to middle Llandoverian Haplotaeniatum tegimentum Assemblage and its equivalents in the southern Urals, Germany, and Nevada. Seventeen species of radiolarians belonging to 12 genera were systematically investigated.

• 日本古生物学会の論文
• 2000-06-30

著者

• Sashida Katsuo

  Institute of Geoscience,The University of Tsukuba

• Sashida Katsuo

  Institute Of Geoscience University Of Tsukuba

• Sashida Katsuo

  Institute Of Geoscience The University Of Tsukuba

• Kurihara T

  Doctoral Program In Geoscience University Of Tsukuba

• KURIHARA TOSHIYUKI

  Doctoral Program in Geoscience, University of Tsukuba

• Kurihara Toshiyuki

  Doctoral Program In Geoscience University Of Tsukuba

• SASHIDA KATSUO

  Institute of Geoscience, University of Tsukuba

関連論文

• Biostratigraphy of the Middle Jurassic Radiolaria in the south zone of the Chichibu Terrain in the Kanto Mountains,Central Japan
• Cretaceous radiolarians from the Kanto Mountains,Central Japan
• On the occurence of conodonts and radiolarians from the San Juan Islands,Washington and Vancouver Island,British Columbia
• Late Paleozoic radiolarian faunas from northern and northeastern Thailand
• Middle to Upper Permian and Middle Traiassic radiolarians from Eastern Thailand
• 984 Middle and Late Permian radiolarians from the Semanggol Formation, Northwest Peninsular Malaysia
• Radiolarian dating of the Torinosu-type limestone in the Kanto Mountains, Central Japan
• Permian foraminifers from Menashidomari, Esashi Mountains, northern Hokkaido
• Mesozoic radiolarians and radiolarian-bearing sequences in the circum-Pacific regions : A report of the symposium 'Radiolarians and Orogenic Belts'
• Early Silurian (Llandoverian) radiolarians from the Ise area of the Hida "Gaien" Belt, central Japan
• タイ北東部ロエイ県ヒア村産下部ペルム系紡錘虫〔英文〕
• Triassic radiolarian faunas from Kiso-fukushima, Kiso Mountains, central Japan
• Lithostratigraphy of Permian marine sequences, Khao Pun Area, central Thailand : Paleoenvironments and tectonic history
• Living Radioralia in the surface water off the coast of Shimoda, Izu Peninsula, Japan
• Off-scraped Permian-Jurassic bedded chert thrust on Jurassic-early Cretaceous accretionary prism : Radiolarian evidence from Ie Island, central Ryukyu Island Arc
• Note on the Middle Chichibu Belt of the Kanto Mountains, central Japan
• Late Carboniferous and Early Permian radiolarian biostratigraphy in the chert blok embedded in the Jurassic Kawai Formation, Kanto Mountains, central Japan
• Silica mineralization of Jurassic/Cretaceous radiolarian cherts and claystone from a seamount flank at the Mariana trench oceanward slope
• Recent radiolarian faunas in the surface water off the coast of Shimoda,Izu Peninsula, Japan
• Late Jurassic radiolarians from the Torinosu-type limestone embedded in the Early Cretaceous Hinodani Formation of the northern Shimanto Terrane, Shikoku, Japan
• Geology of the Nanmoku area in the Chichibu Terrane, the northwestern part of the Kanto Mountains, central Japan
• タイ国南部パッタルング付近のカオ・チアックに分布する石灰岩から産する3畳紀放散虫〔英文〕

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