Advertisement
Advertisement
accretionary wedge
noun
- geology a body of deformed sediments, wedge-shaped in two dimensions or prism-shaped in three dimensions, that has been scraped off the surface of the oceanic lithosphere as it moves downwards beneath a continent or island arc. The sediments are added to the continental edge
Discover More
Example Sentences
Examples have not been reviewed.
Sediments and oceanic crust scraped off the descending plate piled up in an accretionary wedge, which created a forearc basin that trapped sediments eroded from Tibet.
From
The accretionary wedge and the forearc sediments were thrust northward onto Tibet.
From
This month’s Accretionary Wedge, hosted by the “Knowledge Flocs†Blog, asks for the interplay between geology and civilization – for example the interplay of warfare with the landscape.
From
Advertisement
Advertisement
Advertisement
Advertisement
Browse