地質学雑誌
Online ISSN : 1349-9963
Print ISSN : 0016-7630
ISSN-L : 0016-7630
短報
根田茂帯(旧“早池峰帯”)から発見された藍閃石を含む苦鉄質片岩とその意義
内野 隆之川村 信人
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ジャーナル フリー

2006 年 112 巻 7 号 p. 478-481

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Glaucophane-bearing mafic schist was discovered from the Nedamo Complex of the Nedamo Terrane for the first time. The Nedamo Terrane is an Early Carboniferous accretionary belt and is situated between the North Kitakami Terrane (Jurassic accretionary complex) and the South Kitakami Terrane (Paleozoic island-arc). The mafic schist indicates that a part of the Nedamo Complex has suffered high-P/T metamorphism of blueschist facies, probably epidote-blueschist subfacies. The present discovery gives a clue for the geotectonic comparison between the Southwest and Northeast Japan, and accordingly the Paleozoic tectonics of eastern Asian margin.
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© 2006 日本地質学会
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