Geologically, the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure.
莫高窟岩体在地属第四沙泥、胶结砾岩,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.
阿波罗计划期间首次发现,这些月球熔岩管是地球最近的天体邻居地质过度活跃时留下的遗产,沸腾的玄武岩岩浆流从内部爆发, 以熔岩的形式流过月球表面。