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Geology Chapter 3 Test Questions and Answers
Terms in this set (47)
The apron of loose material at the base of a mountain is called a
Which of the following is not a type of physical weathering?
When rocks weather into a spherical shape it is called _______ weathering
During hydrolysis, potassium feldspar is weathered into _________, silica, and potassium
Which of the following is true of quartz?
It does not chemically weather and it generally does not get smaller than sand
Calcite reacts with ___________ in rain to dissolve
H2CO3 (carbonic acid)
The E horizon is called the zone of
eluviation and leaching
A _______ soil is one in which all five horizons are present
When a solid temporarily acts as a liquid, it is called _______
Material moving down slope under the influence of gravity
Landslides are classified based on _______ and ____________
mechanism and material
Sediment, vegetation, and man-made materials would be called ______
When material moves very slowly down slope due to freeze and thaw cycles it is called ________
Which of the following is a factor that influences weathering
climate, time, steepness of slope (it is all of these)
Partially weathered bedrock is the _____ Horizon
Material that moves downhill that leaves a curved shape (or spoon shaped) scar is called a
Rock free falling off a cliff would be considered a
Which of the following conditions would make a slope more stable
thin soil layer
Sediment and vegetation moving fast and turbulent down a slope would be a
Which of the following would stabilize a slope
retaining wall, tunnel over a road, drainage pipes (it is all of these)
The simultaneous weathering and transportation of sediment is called
Which of the following would not be an indicator of current?
Which of the following is an evaporite
Which of the following has a bioclastic texture?
Which of the following rocks indicates little if any transport
The most common type of sedimentary structure is_____
Which of the following is a resource obtained from sedimentary rocks?
cement, coal, groundwater (It is all of these)
Which of the following is true of an arkose sandstone
it is formed in a river environment
What size of sediment would be found furthest from the source?
Which of the following is not a control on the size, shape, and sorting of sediment?
Which of the following is not one of the most common sedimentary rocks?
Moderate to well sorted and moderate roundness are characteristics of a(n)
Which of the following environments would likely have clasts smaller than sand?
Which of the following situations would result in angular clasts?
steep slopes in a mountain
What typically happens to the size, shape, and sorting of clasts as they are transported from steep mountains toward more gentle settings?
the clasts become more rounded
How does a cross bed form?
Piling of sediment down the front of a dune or ripple
The size, shape, and arrangement of grains is called ______?
The sequence of rock layers from limestone on the bottom to shale to sandstone on the top would be a
Which of the following rocks would be considered well sorted and well rounded?
Which of the following is not used to determine the history of sedimentary rocks?
Ancient life, sequence of events, past events (it is none of these)
Which of the following is not an indicator of environment
shape of bedding
Which of the following is true of symmetrical ripples?
Indicates two way current direction AND indicates a beach environment
A rock that is poorly sorted and moderately rounded would be a
A ______ is defined as a piece of sediment
Which of the following would form in warm, shallow seas?
I actually didn't get the right answer for this one, it is not shale
A _____ would be the most common rock to form in a beach environment
Which of the following is not a sedimentary texture?
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