A shear breaks off or crumbles. A slump stays together however it will slump down.
Slumps are landslides in which the moving material moves in a block, more or less.
a slump occurs when it wants to:) lol its for real!!
Its when loose materials or rock layers slip downward as one large mass. The materials doesn't travel very fast or far, but when it happens, a curved scar is left where the slumped material...
With coffee and a Kitkat.