The chaotic accumulation of deformed oceanic sediments, and scraps of ocean crust found plastered onto a convergent continental margins, like that where the Cocos plate subducts beneath western Mexico, is called ________.
A)an accretionary wedge
B)a continental margin arc
C)the scrapie
D)a wedgie

Question

Quizplus · Accepted Answer

An accretionary wedge is the chaotic accumulation of deformed oceanic sediments and scraps of ocean crust found plastered onto a convergent continental margin, and is commonly found where oceanic plates are subducting beneath continents. Choices B, C, and D are not valid terms used in geology.

The Chaotic Accumulation of Deformed Oceanic Sediments, and Scraps of Ocean