A semi-circular pile of rock fragments accumulated at the base of a cliff by gravity is called a(n)
A) alluvial fan.
B) kame.
C) delta.
D) drumlin.
E) talus cone.

Question

Quizplus · Accepted Answer

A semi-circular pile of rock fragments accumulated at the base of a cliff by gravity is called a talus cone. Option A is incorrect as an alluvial fan is a fan-like deposit of sediment that forms when a stream's slope is abruptly decreased. Option B is incorrect as a kame is a small hill or mound of sand and gravel deposited by a retreating glacier. Option C is incorrect as a delta is a depositional feature formed where a river flows into a standing body of water. Option D is incorrect as a drumlin is an elongated hill formed by glacial ice.

A Semi-Circular Pile of Rock Fragments Accumulated at the Base