Calderas
- 网络破火山口;火山臼

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A series of collapse craters , or calderas , lie at its summit .
其顶端有一系列崩塌的火山口,或称火山臼。
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The distribution and formation of epithermal gold deposits in northern Xinjiang are structurally controlled by calderas , craters , diatremes and related faults .
金矿的形成和分布受破火山口、隐爆角砾岩筒、与火山机构有关的断裂以及区域断裂控制。
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Volcanic ash from the Pacaya Volcano blankets houses and a church in Calderas , Guatemala , Friday , May28,2010 .
火山灰从帕卡亚火山毯子房子和一个火山口,危地马拉,星期五,2010年5月28日教堂。