Liberal Dictionary English Dictionary
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
Geology Word of the Week: A is for Accretionary Wedge – Georneys
Accretionary Wedges – Caribbean Tectonics
Accretionary wedge – Wikipedia