書誌事項
- タイトル別名
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- Provenance of metamorphic and granitic pebbles of the Oharai Formation, central Japan.
- オオアライソウ ノ ヘンセイガンレキ ト カコウガンレキ ノ キョウキュウ ゲン ニ ツイテ
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The Oharai Formation is studied to elucidate the provenance of clastic materials. Metamorphic rocks and sedimentary rocks are commonly found as pebbles in the Oharai Formation. The lithofacies of these rocks are closely akin to those in the Tsukuba-Yamizo belts. Metamorphic grades of the pebbles range from low to middle parts of the biotite zone of the Ryoke metamorphic belt. The K-Ar age of biotite from a coarsegrained biotite schist is determined to be 99.6 Ma. The K-Ar ages for two granitic pebbles are 64 Ma and 73 Ma. The provenance of the pebbles is considered to be a terrain located at the east or south of the Tsukuba-Yamizo mountains.
収録刊行物
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- 地質学雑誌
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地質学雑誌 106 (5), 347-352, 2000
一般社団法人 日本地質学会
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詳細情報 詳細情報について
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- CRID
- 1390282681210427264
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- NII論文ID
- 110003013116
- 10008433822
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- NII書誌ID
- AN00141768
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- COI
- 1:CAS:528:DC%2BD3cXktVaiu7w%3D
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- ISSN
- 13499963
- 00167630
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- NDL書誌ID
- 5353712
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可