GUI software for calculating partial melting, fractional crystallization and modal composition, including petrographic data

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Authors:Kobayashi, Shinji; Kugimiya, Yasuo; Ito, Koji; Ishikawa, Ken-ichi
Author Affiliations:Primary:
Osaka College of Music, Osaka, Japan
Neotrack Science, Japan
Japan Coast Guard, Japan
Tohoku University, Japan
Volume Title:Chishitsugaku Zasshi Journal of the Geological Society of Japan
Source:Chishitsugaku Zasshi = Journal of the Geological Society of Japan, 111(2), p.115-120. Publisher: Nippon Chishitsugaku Gakkai, Tokyo, Japan. ISSN: 0016-7630
Publication Date:2005
Note:In Japanese with English summary. 12 refs.; illus., incl. 3 tables
Summary:SeleMo-Calc is a GUI (Graphic User Interface) computer program developed for estimating the proportions of melting and fractionating minerals during magmatic processes, and to reveal detailed modal composition of rocks. The SeleMo-Calc provides the calculated result including petrographic information. Inclusion in alkali basalt from Oki-Dogo island is used to illustrate the method of calculation. The calculated mineral proportions are all positive values, indicating realistic modal composition for the inclusion. Furthermore, application to fractional crystallization from shoshonite magma to trachyte magma is reported in this paper. The calculated bulk distribution coefficients of Yttrium for fractionated mineral assemblage indicate possible range in the magma process.
Sections:Apparatus and techniques; Petrology
Subsections:Exploration geochemistry; Igneous petrology; Sample preparation; optical, numerical and computer methods; XRD
Subjects:Basalts; Chemical composition; Computer programs; Data processing; Fractional crystallization; Geochemistry; Igneous rocks; Inclusions; Magmas; Metals; Mineral composition; Modal analysis; Partial melting; Petrography; Rare earths; Shoshonite; Trace elements; Trachytes; Volcanic rocks; Yttrium; Asia; Far East; Japan; Japan Sea; North Pacific; Northwest Pacific; Pacific Ocean; West Pacific; Oki-Dogo Island
Abstract Numbers:07M/815
Record ID:2005055229
Copyright Information:GeoRef, Copyright 2020 American Geosciences Institute.
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