Breakdown of Rock
The higher up a rock is, the more of THIS it has.
Streams always produce valleys that look like this....
Parallel grooves cut into bedrock are evidence of...
Smallest particles that may take months to settle out..
This kind of soil is formed, in place' from the underlying bedrock.....
Hardness (of rock)....
The FORCE driving all erosion is....
Pitted (sometimes called frosted) surfaces are caused by
Oxidation is an example of
U-shaped valleys are always produced by
Rocks the size of pebbles and larger are usually moved in a stream by a process called...
The predominant agent of erosion in NYS
Glaciers usually deposit soil which is
A kind of chemical weathering that occurs when minerals combine with water is called...
Bends in a stream....
Large boulders deposited by glaciers
The 'energy of position'
Almost all the soil in NYS is of this type
The material carried by a stream that will never settle out is carried by this process....
0.006 to 0.2 cm in diameter
Scratched and polished rock is usually a sign of...
Sorted sediments are deposited by
Frost asction is also known as
Particles lose Ke as a result of.............
This is where most deposition occurs in stream channels....
Larger than 25.6 cm
Parallel hills of sediment deposited by glaciers
The kind of rock that reacts with acids..........
As particles are subjected to stream abrasion they become.....
The two factors that determine how much material a stream can carry are....
A particle gain Ke because of
The transport of material
Silt and clay are usually transported in a stream in......
Three factors that affect the settling rate of particles are.....
The three AGENTS of erosion are
Limestone reacting with acid.....
Three factors that affect the velocity of a stream are...
Less than 0.00004 cm in diameter
Stream erode most here....
Wind (blowing sand or fine particles)
Rolling, bouncing, or saltation
Streams or rivers
On the inside of curves
Carbonates (limestone or marble)
Smoother, rounder, and smaller
Stream volume and rate of discharge (velocity)
Size, shape, and density
Wind, running water, and ice
Volume, slope, and shape of the channel
On the outside of curves