Mineral and chemical compositions, and mechanism of formation of volcanic ashes from Sakurajima Volcano, Kyushu, Japan

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Authors:Oba, Noboru; Tomita, Katsutoshi; Yamamoto, Masahiko; Ohsako, Nobumitsu; Inoui, Kozo
Volume Title:Ganseki Kobutsu Kosho Gakkai-Shi Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists
Source:Ganseki Kobutsu Kosho Gakkai-Shi = Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 75(10), p.329-336. Publisher: Nippon Ganseki Kobutsu Kosho Gakkai, c/o: Tohoku Daigaku Rigakubu, Sendai, Japan. ISSN: 0021-4825
Publication Date:1980
Note:In Japanese with English summary. 6 refs.; illus. incl. tables
Summary:Greyish black, reddish dark grey and greyish white ashes from Sakurajima Volcano were compared with one another, using mineral and chemical composition, microstructure, XRD and grain-size distribution methods; mechanisms of formation are discussed. [M.Ak.]
Subjects:Chemical composition; Color; Electron microscopy data; Geochemistry; Glasses; Igneous rocks; Mineral composition; Obsidian; Paragenesis; Petrography; Petrology; Pyroclastics; Trace elements; Volcanic ash; Volcanic rocks; Asia; Far East; Japan; Kyushu; Elements; Sakura-jima Volcano
Abstract Numbers:84M/3430
Record ID:1981036665
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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