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单词 Pseudocrater
释义

Pseudocrater

英语百科

Rootless cone

A rootless cone at Myvatn Lake, Iceland.

A rootless cone, also formerly called a pseudocrater, is a volcanic landform which resembles a true volcanic crater, but differs in that it is not an actual vent from which lava has erupted. They are characterised by the absence of any magma conduit which connects below the surface of a planet.

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