Exam 15: Preliminaries to Weathering: Mass Wasting and Erosion

Exfoliation appears to involve both mechanical and chemical weathering agents.

Explain how it is possible for weathering to take place far below the surface of bedrock?

Clays are sometimes instrumental in mass movements because of their ability to ________.

Carbonate rock is closely associated with ________.

Salt wedging is most closely associated with ________.

A common maximum speed for landslides is about 500 kilometers per hour.

Water is the energizing force in mass wasting.

Chemical weathering is speeded because mechanical weathering tends to ________.

A crescent-shaped scarp on a high slope often appears above a rock glacier.

A result of soil creep might be ________.

Weathering is deepest ________.

The most important type of mechanical weathering process is ________.

In rock, ________ is another term for pressure release.

In a flow, the center moves faster than the outer edges

The slight displacement of human-built structures such as fence posts and telephone poles is subtle evidence that ________ has(have) occurred.

A massive pile of highly irregular debris in the form of a low-lying ridge or cone on a valley bottom is a topographic result of a ________.

With the passage of time, all talus migrates ________.

The single most important weathering agent is ________.

Which of the following can occur far below the surface in the tropics?

Burrowing animals, earthquakes, and thunder are all significant contributors to soil creep.