Exam 8: Weathering, Soil, and Mass Movement

The mass wasting process in steep mountain areas that causes accumulations of rock debris called talus is called______ .

Solifluction is an important mass wasting process in areas of______ .

In the Rocky Mountain region of the United States, north- facing slopes downhill direction is toward the north. are typically moister and more heavily forested than south- facing slopes. Why?

Which one of the following statements concerning mechanical weathering is not true?

A soil that has nearly equal amounts of clay, silt and sand is called______ .

Under similar warm, moist climatic conditions, why would basalt and gabbro generally have higher chemical weathering rates than rhyolite and granite?

Based on the examples and discussion in Chapter 4, what is the relationship of climate to weathering, both chemical and mechanical? Also, are certain climates more susceptible to certain types of weathering? Why or why not?

Below is an image of two tombstones that were both emplaced in 1863. Why would the left tombstone be so much better preserved than the right tombstone? Select the best answer.

Organisms contribute to soils formation by ______ .

Which of the following best describe the E soil horizon?

How do the strength and cohesion of clay- rich regolith or soil change with the addition of water?

Most insurance companies will not insure property with a known landslide hazard. Why?

A mass wasting process that involves rotational motion of material sliding above a distinct slip surface is called ______.

Which of the following poses the greatest risk of massive loss of life and property along its path due to how rapidly it moves?

Which one of the following operates primarily in areas of permafrost?

When a large cloudburst creates a sudden flow of soil and regolith, we refer to it as ______.

Which form of weathering specifically affects the iron contained in ferromagnesian, rock- forming, silicate minerals?

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

What type of sand holds its shape the best?

You are an engineer tasked with making a mountain roadway safer for passing cars. Although it was not discussed in Chapter 4, what would you emplace as some preventive measures that can be done to reduce or lessen the impact of mass wasting? Hint: Think about the controls and triggers of mass wasting..