A Tiny Piece of Basalt Probably from Asteroid 4 Vesta
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P588.1

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    Abstract:

    Grove Mountains (GRV) 99018 is a new eucrite (0.23 g), consisting mainly of pyroxene (50.5 vol%) and plagioclase (37.2 vol%) with minor silica minerals (7.0 Vol%) and opaque minerals (5.2 vol%). It was intensely shocked, leading to partial melting, formation of abundant tiny inclusions in pyroxenes and plagioclase, and heavy brecciation. Exsolution of most pyroxenes (1-3μm in width of the lamellae), recrystallization of the shpck-induced melt pockets and veins (5-20μm in size), and homogeneous compositions of pyroxenes of

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LIN Yangting, WANG Daode, WANG Guiqing Institute of Geology, Geophysics, Chinese Academy of Sciences, Beijing, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, Guangdong .2004. A Tiny Piece of Basalt Probably from Asteroid 4 Vesta[J]. Acta Geologica Sinica(),78(5):

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