書誌事項
- タイトル別名
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- ゴトウ レットウ ト ニシソノギ ハントウ カン ノ ダイ3ケイ キバンガンルイ , トクニ ナガサキ ケンカ ノ カコウシツガンルイ ト カンレン シテ
- ON THE PRE-TERTIARY ENOSHIMA FORMATION, AINOSHIMA THERMALLY METAMORPHOSED ROCKS AND THE CRETACEOUS NISHISONOGI GRANITIG ROCKS EXPOSED ON THE SEA BETWEEN THE GOTO ISLANDS AND THE NISHISONOGI PENINSULA,-IN SPECIAL REFERENCE TO THE GRANITIC ROCKS OF NAGASAKI PRENECTURE
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Since the first discovery of the thermally metamorphosed rocks characterized by the growth of large andulsite porphyrobrasts in 1959 from Ainoshima, the author has studied the Ainoshima and Enoshima formations in relation to the granitic rocks of a Cretaceous age. The lithologic features of the Ainoshima thermally metamorphosed rocks were already delivered in the previous Ainoshima papar. The Enoshima formation which is mainly composed of slates, tuffaceous sandstones, tuffs, conglomeates, volcanic breccias and lavas is intruded by the Hirukojima granodiorite which bears a closed relation to the Nishisonogi granitic rocks, and is disconformably overlain by the early Paleogene Minamise formation in which the andesite and porphyrite pebbles consisting the Enoshima formation are abundantly found. The writer included the Enoshima in the Kammon group and compared it the Ainoshima formation from the lithologic features. It should especially noted that these two formations contain the thin, somewhat impure limestone layers and large limestone pebbles. In this paper, furthermore, the geologic structure of this area was discussed based upon these Tertiay basement rocks arranged from east to west. The author thinks that these basement rocks are exposed along the Otatejima anticlinal axis passing from Terajima to Otatejima.
長崎大学教養部紀要. 自然科学. 1963, 3, p.24-43
収録刊行物
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- 長崎大学教養部紀要. 自然科学
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長崎大学教養部紀要. 自然科学 3 24-43, 1963
[長崎] : [長崎大学教養部]
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詳細情報 詳細情報について
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- CRID
- 1050568772227618944
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- NII論文ID
- 120006965523
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- NII書誌ID
- AN00178360
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- ISSN
- 02871319
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- HANDLE
- 10069/16426
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- NDL書誌ID
- 9136520
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
- CiNii Articles