@article{oai:niigata-u.repo.nii.ac.jp:00003179,
 author = {Matsuoka, Atsushi},
 issue = {8},
 journal = {地質学雑誌},
 month = {Aug},
 note = {標題地域の樫原セクション，飛水峡セクションにおいて，Tricolocapsa plicarum YAOとTricolocapsa conexa MATSUOKAの垂直分布を検討した．その結果，T. conexaの初出現層準が上記のセクション中に存在することが明らかになった．T. plicarum帯とT. conexa帯との境界は，MIZUTANI＆KIDO（1983）によるUnuma echinatus群集帯とDictyomitrella(?) kamoensis―Pantanellium foveatum群集帯との境界の，樫原セクションでは約13m上位に，飛水峡セクションでは約15m上位に位置する．また，樫原セクションの灰緑色珪質泥岩をおおう黒色泥岩は，T. conexa帯上部に相当する．, Vertical distribution of Tricolocapsa plicarum YAO and Tricolocapsa conexa MATSUOKA in the Kashibara and Hisuikyo sections has been investigated. As a result, it is clarified that T. conexa first occurs within both sections. The boundary between Tricolocapsa plicarum Zone and the Tricolocapsa conexa Zone is situated about 13m higher than that between the Unuma echinatus Assemblage-zone and the Dictyomitrella (?) kamoensis-Pantanellium foveatum Assemblage-zone by MIZUTANI and KIDO (1983) in the Kashibara section and about 15m higher than the above in the Hisuikyo section. In the Kashibara section, black mudstone, conformably overlying greenish gray siliceous mudstone, corresponds to the upper part of the T. conexa Zone.},
 pages = {583--590},
 title = {First appearance biohorizon of tricolocapsa conexa within jurassic siliceous mudstone sequences of the Kamiaso area in the mino terrane, central Japan- a correlation of radiolarian zones of the middle jurassic},
 volume = {94},
 year = {1998}
}