Exam 12: Mass Wasting: the Work of Gravity

Which process of mass wasting occurs primarily in permafrost regions?

Consider a steep highway cut made by removing slightly weathered to fresh, fractured, granite bedrock. Which of the following situations is most stable against rockslides?

Consider a weathered rock or soil particle lying on a slope. How will the gravitational force pulling the particle downward along the land surface vary with the inclination of the slope?

__________denotes the exposed, crescent- shaped rupture surface at the head of a slump.

Which statement best describes slumping, a mass wasting process?

What caused the mudflows (1985)on the Nevado del Ruiz volcano?

___________involves the downslope movement of a block or blocks of unconsolidated soil and regolith along a curved, slip surface.

Talus slopes are associated with what type of motion-a fall, a slide, or a flow?

___________denotes the downslope movement of soils and regolith.

What process of mass wasting is illustrated in the diagram below?

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

All of the following are factors affecting mass wasting EXCEPT for _ .

What is the fastest moving of the mass wasting processes?

Which of the following was a major factor leading to the Gros Ventre, Wyoming, slide?

___________denotes the exposed portion of the slip surface beneath a slump block.

Based on the examples and discussion in chapter 12, what is the relationship of climate to mass wasting? Also, are certain climates more susceptible to mass wasting? Why?

__________involves movement on a zone of compressed air.

Which one of the following materials has the maximum, sustainable, slope angle, as determined by the angle of repose?