| 单词 | accretionary prism |
| 释义 | > as lemmasaccretionary prism accretionary prism n. Geology a typically wedge-shaped mass of sedimentary material accreted by a plate at a plate boundary where the other plate is being subducted, usually by being scraped off the descending plate. ΚΠ 1974 Earth & Planetary Sci. Lett. 21 211/1 The small size of the accretionary prism, together with the extensional or block faulting along the Peru-Chile coast suggest removal of the continental border during an Early Tertiary episode of oblique subduction and intra-arc system extension. 2010 R. Gill Igneous Rocks & Processes vi. 186/2 The dominant structures in this accretionary prism are folding and thrust faulting. < as lemmas |
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