Geologically, the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure.
莫高窟岩体在上属第四沙泥、钙结砾岩,结构十分松散。
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First discovered during the Apollo programme, these lunar lava tubes are a legacy of when Earth's nearest celestial neighbour was geologically hyperactive, with streams of boiling basaltic magma bursting from the interior to flow across the Moon's surface as lava.
在阿波罗计划期间首次发现,这些月球熔岩管是球最近天体邻居在质过度活跃时留下遗产,沸腾玄武岩岩浆流从内部爆发, 以熔岩形式流过月球表面。