diapir
diapir[ˈdʌɪəpɪə]noun- (Geology)a domed rock formation in which a core of rock has moved upward to pierce the overlying strata
(地质)底辟,挤入构造
派生diapiricadjectivediapirismnoun语源- early 20th cent.: from Greek diapeirainein 'pierce through', from dia 'through' + peirainein (from peran 'pierce')
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