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  1. 紀要論文
  2. 琉球大学理工学部紀要 理学編
  3. 22号
  1. 部局別インデックス
  2. 理学部

沖縄近海の石灰質海底沈殿物の化学成分と結晶構造

http://hdl.handle.net/20.500.12000/23539
http://hdl.handle.net/20.500.12000/23539
e2a5a967-ac00-48c7-83e7-8664dd8c2af8
名前 / ファイル ライセンス アクション
No22p001.pdf No22p001.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2012-02-28
タイトル
タイトル 沖縄近海の石灰質海底沈殿物の化学成分と結晶構造
言語 ja
作成者 兼島, 清

× 兼島, 清

ja 兼島, 清

渡久山, 章

× 渡久山, 章

ja 渡久山, 章

知名, 定則

× 知名, 定則

ja 知名, 定則

Kaneshima, Kiyoshi

× Kaneshima, Kiyoshi

en Kaneshima, Kiyoshi

Tokuyama, Akira

× Tokuyama, Akira

en Tokuyama, Akira

China, Sadanori

× China, Sadanori

en China, Sadanori

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
内容記述
内容記述タイプ Other
内容記述 The geochemical studies and X-ray analysis were conducted on marine carbonate sediments obtained from off-shores of Okinawa Island. The conglomerate or massive carbonate sediments are composed of 46.7 per cent of CaO and 4.0 per cent of MgO. These sediments contain, as impurities, relatively large amounts of silica, iron, aluminum and phosphate comparing with those of Riukiu limestone. Positive correlations appear to exist between iron, aluminum and phosphate contents. The amount of sandy sediments diminish rapidly at the particle size near 65 meshes. The calcium carbonate content of sandy sediments also depend largely upon the particle size showing to positive correlation, wherease silicate and heavy minerals increase in fine powder sediments. The conglomerate or massive carbonate sediments are composed of high-magnesian-calcite, aragonite and quartz. The cose sandy sediments are composed of high-magnesian-calcite, aragonite, low-magnesian-calcite and quartz, whereas fine sandy sediments contain large amounts of silicate and heavy minerals.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学理工学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ NA
出版タイプResource http://purl.org/coar/version/c_be7fb7dd8ff6fe43
識別子
識別子 http://hdl.handle.net/20.500.12000/23539
識別子タイプ HDL
収録物名
言語 ja
収録物名 琉球大学理工学部紀要. 理学編
書誌情報
号 22, p. 1-13
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