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- 天白 俊馬
- 京都支部:京都大学理学部地質学鉱物学教室
書誌事項
- タイトル別名
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- On the Plagioclase Feldspar in the Peridotite Mass, in the Horoman Area, Hokkaido
- ホッカイドウ ホロマンサン カンランガン チュウ ノ シャ チョウセキ ニ ツイテ
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抄録
At the southern end of the Hidaka plutonic and metamorphic belt, a large ultrabasic intrusive mass occurs. In this ultrabasic mass, various kinds of rock facies exist, such as dunite, peridotite, plagioclase peridotite and gabbro. In gabbro and plagioclase peridotite, plagioclase is one of the essential minerals in some cases and of the accessary minerals in other cases. The plagioclase feldspar is labradorite or bytownite and contains a little Or-molecule. X-ray powder diffraction patterns of the plagioclase feldspar show that most of them are not of the typical low-temperature form. From this fact, it is tho.ught that the plagioclase feldspar grew under the comparatively high-temperature condition.
収録刊行物
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- 地球科学
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地球科学 21 (6), 10-13, 1967
地学団体研究会
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詳細情報 詳細情報について
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- CRID
- 1390282679243347712
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- NII論文ID
- 110007089892
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- NII書誌ID
- AN00141269
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- ISSN
- 21897212
- 03666611
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- NDL書誌ID
- 8295971
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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
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可