Geology Exam 2

Look at the picture. Which position will most of the erosion occur on a river?

Which process is not considered a mechanical weathering process? Frost wedging hydrolysis unloading animal and plant activity

Chemical weathering would be most effective____

What type of rock would be produced if you completely melted and re-solidified a metamorphic rock?

What changes may occur during metamorphism?

____is a strong, parallel alignment of coarse mica flakes and/or of different mineral bands in a metamorphic rock.

Natural levees act as barriers for returning flood waters in tiger floodplains. What kind of streams can form parallel to large rivers as a result of this?

Channel width x channel depth x velocity is the formula used to determine a stream's_______

T/F Today, many scientists and engineers recommend a non-structural approach to river flood control by putting parks, cropland, and vegetative cover in flood plains rather than houses and factories.

What type of metamorphic rock will shale normally become following metamorphism?

T/F The ultimate base level for a stream is sea level

When the velocity of a river slows down, the river channel tends to____

The soil horizon composed primarily of weathered bedrock and directly above the bedrock is_____

Most limestone that has a___origin and would most likely formed in a ___environment

____occurs when a tongue of clay-rich material moves quickly downslope in a warm and human region.