How does a wedge basin form? When two plates collide, the non-subducting plate scrapes and subducting plate and forms a depression where sediments gather. The place deep inside Earth where a shift in Earth's crust occurs, causing an earthquake.

Which best describes how wedge basins form?

Terms in this set (10)

Which best describes how wedge basins form? (C) When two plates collide, the non-subducting plate scrapes the subducting plate and forms a depression where sediments gather.

What type of boundary do wedge basins form?

An accretionary wedge or accretionary prism forms from sediments accreted onto the non-subducting tectonic plate at a convergent plate boundary.