Eruption style and crystal size distributions: Crystallization of groundmass nanolites in the 2011 Shinmoedake eruption

Mujin Mayumi; Nakamura Michihiko; Miyake Akira

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Eruption style and crystal size distributions: Crystallization of groundmass nanolites in the 2011 Shinmoedake eruption

机译：喷发风格和晶体尺寸分布：2011年ShinMoEdake爆发中的陆地纳米结晶

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Crystallization of groundmass minerals may record the physicochemical conditions of magmatic processes upon eruption and is thus a topic of interdisciplinary research in the disciplines of mineralogy, petrology, and volcanology. Recent studies have reported that the groundmass crystals of some volcanic rocks exhibit a break in their crystal size distribution (CSD) slopes that range from a few micrometers to hundreds of nanometers. The crystals consisting of the finer parts of the break were defined as nanolites. In this study, we report the presence of nanometer-scale crystals down to 1 nm in the pyroclasts of the 2011 eruption of Shinmoedake, the Kirishima volcano group, based on field emission-scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM).

机译：基础矿物的结晶可以在爆发时记录岩浆过程的物理化学条件，因此是矿物学，岩石学和火山学学科的跨学科研究的主题。最近的研究报道说，一些火山岩的碎晶晶体在其晶体尺寸分布（CSD）斜坡上突破，其范围为几微米至数百纳米。由突破细粒部分组成的晶体被定义为纳米岩。在本研究中，基于场发射扫描电子显微镜（Fe-SEM）和透射电子显微镜（Fe-SEM）和透射电子显微镜（Fe-SEM）和透射电子显微镜（ TEM）。

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来源
《The American mineralogist》 |2017年第12期|共14页
作者
Mujin Mayumi; Nakamura Michihiko; Miyake Akira;
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作者单位

Tohoku Univ Grad Sch Sci Dept Earth Sci Aoba Ku 6-3 Aramaki Aza Aoba Sendai Miyagi 9808578 Japan;

Tohoku Univ Grad Sch Sci Dept Earth Sci Aoba Ku 6-3 Aramaki Aza Aoba Sendai Miyagi 9808578 Japan;

Kyoto Univ Grad Sch Sci Dept Geol &

Mineral Sakyo Ku Kitashirakawaoiwake Cho Kyoto 6068502 Japan;

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原文格式 PDF
正文语种 eng
中图分类矿物学;
关键词
Microlite; nanolite; ultrananolite; crystal size distribution; transient nucleation; vulcanian explosion; Rates and Depths of Magma Ascent on Earth;

机译：微渗;纳米岩;纯岩;晶体尺寸分布;瞬态成核;Vulcanian爆炸;地球上的岩浆上升的速度和深度;

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专利

1. Eruption style and crystal size distributions: Crystallization of groundmass nanolites in the 2011 Shinmoedake eruption [J] . Mujin Mayumi, Nakamura Michihiko, Miyake Akira The American mineralogist . 2017,第11a12期

机译：喷发风格和晶体尺寸分布：2011年ShinMoEdake爆发中的陆地纳米结晶
2. Stratigraphy, grain-size and component characteristics of the 2011 Shinmoedake eruption deposits, Kirishima Volcano, Japan [J] . Yasuo Miyabuchi, Daisuke Hanada, Hiroshi Niimi, Journal of Volcanology and Geothermal Research . 2013,第maya15期

机译：日本雾岛火山2011年新月岳喷发沉积物的地层，粒度和组成特征
3. Changes in eruptive style during the AD 1538 Monte Nuovo eruption (Phlegrean Fields, Italy): the role of syn-eruptive crystallization [J] . DOriano C, Poggianti E, Bertagnini A, Bulletin of Volcanology: Journal of the International Association of Volcanology and Chemistry of the Earth s Interior . 2005,第7期

机译：公元1538年蒙特诺沃火山喷发期间喷发样式的变化（意大利菲格勒兰菲尔德斯）：喷发结晶的作用
4. SAR analysis for the 2011 eruption of Shinmoe-dake, Japan [C] . Ozawa Taku, Miyagi Yousuke European Conference on Synthetic Aperture Radar . 2014

机译：日本Shinmoe-dake 2011年喷发的SAR分析
5. Isotopic evidence for the relative roles of fractional crystallization, crustal assimilation and magma supply in the generation of large volume rhyolitic eruptions. [D] . Hammersley, Lisa Caroline. 2003

机译：同位素证据表明，部分结晶，地壳同化作用和岩浆供应在大量流纹岩喷发中具有相对作用。
6. Size distributions of fractures dykes and eruptions on Etna Italy: Implications for magma-chamber volume and eruption potential [O] . Salvatore Scudero, Giorgio De Guidi, Agust Gudmundsson -1

机译：意大利埃特纳火山的裂缝堤坝和火山喷发的尺寸分布：对岩浆室体积和喷发潜力的影响
7. Multiple Plagioclase Crystal Populations Identified by Crystal Size Distribution and in situ Chemical Data: Implications for Timescales of Magma Chamber Processes Associated with the 1915 Eruption of Lassen Peak, CA [O] . Morgan J. Salisbury, Wendy A. Bohrson, Michael A. Clynne, 2008

机译：通过晶体尺寸分布和原位化学数据鉴定的多种Plagioclase晶体：与1915年Lassen Peak，CA爆发相关的岩浆室工艺的时间尺寸的影响

Eruption style and crystal size distributions: Crystallization of groundmass nanolites in the 2011 Shinmoedake eruption

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