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单词 Adventive cone
释义

Adventive cone

英语百科

Parasitic cone

Parasitic cone (in foreground) with larger main cone in background, at Piton de la Fournaise volcano on the island of Réunion.

A parasitic cone (also adventive cone or satellite cone) is the cone-shaped accumulation of volcanic material not part of the central vent of a volcano. It forms from eruptions from fractures on the flank of the volcano. These fractures occur because the flank of the volcano is unstable. Eventually, the fractures reach the magma chamber and generate eruptions called flank eruptions, which, in turn, produce a parasitic cone.

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更新时间:2025/6/17 8:49:26