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静岡大学地球科学研究報告 (1975-) >
2001 28 >

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タイトル: 微量同位体比測定のための染色法による方解石-霰石の分離法
その他のタイトル: Calcite-aragonite mineral separation using staining method for micro-scale isotopic analyses
著者: 加藤, 和浩
和田, 秀樹
掲載誌名: 静岡大学地球科学研究報告
出版者: 静岡大学地球科学教室
巻: 28
開始ページ: 25
終了ページ: 31
出版日付: 2001-07
NDC: 459
抄録: Mineral separation in carbonate group of minerals is a difficult task, and often resolved by staining technique. Feigl's solution and Meigen's solution are commonly used for distinguishing aragonite from the carbonate, the former stains black and the latter stains purple on the aragonite surface, while calcite and other carbonate species are changeless during staining treatment with each solution. Hence, we report a refined staining technique to separate aragonite from calcite using Meigen's solution. This method has advantage in obtaining 100% pure mineral separation for high precision of micro scale isotope analyses. As an example, we analyzed calcite-aragonite pairs from carbonate chimneys and found interesting isotopic results. Especially, radiocarbon activity in coexisting calcite and aragonite is significantly different, and this result suggests the presence of entirely different fluid source for calcite and aragonite precipitation.
ISSN: 03886298 OPAC
NII論文ID: 110000413403 ciniia
NII書誌ID: AN00103190 OPAC ciniib
バージョン: publisher
出現コレクション:2001 28

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Others By: 加藤, 和浩 (カトウ, カズヒロ) (Kato, Kazuhiro) -- 和田, 秀樹 (ワダ, ヒデキ) (Wada, Hideki)



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