書誌事項
- タイトル別名
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- Petrography of cuttings from spa borings and their tectonic setting upon the Kanto Plain at Shimohara, Tsukuba city and at Hanai, Noda city
- カントウ ヘイヤ オンセン ボーリング ノ カッティングス ノ ガンセキ キサイ ト ソノ キゾク ツクバシ シモハラ オヨビ ノダシ ハナイ
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This report describes the subsurface geology, based on the petrography of rock cuttings taken from bore holes at spa sites, at Shimohara, Tsukuba City, Ibaraki Prefecture, and at Hanai, Noda City, Chiba Prefecture, both upon the Kanto Plain. The cutting samples from Tsukuba (four samples from 1241–1210 m depth) are hornfels, biotite-muscovite schist, and sillimanite-andalusite gneisses that resemble the Tsukuba metamorphic rocks. A single cutting sample from Noda (1295–1300 m depth) is mylonitized biotite granite that is similar in lithology to the Late Cretaceous Name Granite in the Shimonita area, Gunma Prefecture. These results provide new information on the eastern extension of the Ryoke Metamorphic Belt and the southern extension of the Tsukuba Metamorphic Belt. The occurrence of mylonite from Noda also provides important information in terms of constraining the eastern extension of the Median Tectonic Line.
収録刊行物
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- 地質学雑誌
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地質学雑誌 116 (8), 453-457, 2010
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
- 1390001206238055424
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- NII論文ID
- 130000413571
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- NII書誌ID
- AN00141768
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- ISSN
- 13499963
- 00167630
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- NDL書誌ID
- 10814370
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可