obduction

 
Pronunciation: /ɒbˈdʌktʃ(ə)n/

noun

[mass noun] Geology
  • the sideways and upwards movement of the edge of a crustal plate over the margin of an adjacent plate: the granitic magmas formed when the ophiolite complex was obducted onto the continental margin

Derivatives

obduct

verb

Origin:

1970s: from Latin obduct- 'covered over', from the verb obducere, from ob- 'against, towards' + ducere 'to lead'