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Whole rock composition of Early-Miocene volcanic rocks in Noto peninsula, Japan

Early-Miocene volcanic rocks, including Ol-bering Cpx-Opx calc-alkaline andesite and dolerite, are distributed in the northern part of Noto peninsula, Japan. These andesites have high Mg# Opx and low FeO*/MgO with low concentration of LILE and HREE. Geochemical observation suggests that calc-alkaline andesites were not generated by fractional crystallization of basaltic magma. Calc-alkaline andesites may be derived from source material that have different condition from that of basaltic magma.<br><br><div class="is-print-hide" style="height:0; overflow:hidden; max-width:100%; padding-bottom:84%; position:relative;"><iframe allow="fullscreen" allowfullscreen="true" frameborder="0" src="https://confit2.atlas.jp/articles/event/jams2022/slide/R6P-06", style="height:100%; left:0; position:absolute; top:0; width:100%;"></iframe></div>

Onsite Poster Core time<br />12:15 - 14:15

2022 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)

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[R6P-06]Whole rock composition of Early-Miocene volcanic rocks in Noto peninsula, Japan

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