熔岩被
- 网络lava sheet
熔岩被-
火山渣锥火山是，当爆发时，高气体含量和高粘度的熔岩被喷发到空气中而形成的。
Cinder cone volcanoes are formed when magmas with high gas contents and high viscosity are blown high into the air during an eruption .
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变质作用是由喷发的熔体被掩埋到20km或更深，深埋的熔岩流使得玄武岩被重新加热到变质温度形成的。
This metamorphism resulted from the eruption and subsequent burial of lava flows to depths of 20 km or more and that deeply buried basalts were reheated to their melting points .