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lab final online review
Terms in this set (59)
In a dip slip fault, if the movement of the hanging wall is acting against gravity, the fault is referred to as a ___________ fault.
In an area underlain by soluble rock such as limestone and gypsum, ____________ is the principle agent of erosion and is responsible for the formation of many surface features.
_____________ erosion widens the valley walls of a stream channel.
The type of stream drainage pattern that develops in an area with fractured rock at the surface is known as ____________.
In a dip slip fault, if the hanging wall moves up the fault plane, the fault is referred to as a ___________ fault.
Sediments that roll, slide, or hop along the bottom of a stream channel are referred to as the _______ sediment of a stream.
Faults can trigger large-scale natural disasters such as landslides, earthquakes, and tsunamis.
In reference to the Geologic Time Scale, Eons are divided into Eras based on ____________ data.
On a topographic map, contour lines that are closely spaced together indicate a _______ slope, and a rapid change in elevation.
Normal faults are the result of compressional deformation.
_________ are fractures or breaks in rocks along which movement has taken place.
Water in a stream channel flows across the surface in response to __________
the most important process in shaping the earths surface is
Additions of water to the water table by gravity and pressure are known as _______
In a dip slip fault, if the movement of the hanging wall is acting in concert with gravity, the fault is referred to as a ___________ fault.
The geologic principle, the Law of Cross-cutting relationships, states that any geologic feature which cuts across another is the younger of the two features.
Faults which exhibit horizontall displacement along the fault plane are called ______
strike slip faults
The capacity to transmit fluids is referred to as ___________
When contour lines cross stream valleys or dry stream channels, they form a "V" that points upstream.
Deposits of sand and gravel on the inside of a meander are known as ___________
On a topographic map, reference points of known elevation are referred to as ____
When showing a closed depression on a topographic map, the hachure marks point away from depression.
Gentle slopes are shown by closely spaced contour lines.
In reference to the Geologic Time Scale, the Paleozoic Era is known as the _______________
age of invertebrates
______ are folds in which the fold axis is not horizontal
The space between layers of sedimentary rocks are called _______________.
The boundary that separates one drainage basin from another is known as a _______________.
Reverse faults with a shallow dipping fault plane that is inclined less than 45 degrees are referred to as thrust faults.
a contour line connects points of unequal elevation
When a stream's velocity or its volume decreases, its ability to carry sediment ____________.
Faults can be a conduit along which hydrothermal waters can deposit ore minerals.
On a topographic map, ____________ connect all points that have the same elevation.
Topographic maps depict the Earth's surface features as viewed from __________ the Earth's surface.
Topographic maps are produced by the ____________________.
United States geological survey
Accumulation of water that are held in the subsurface above the main water table by a small lens of impermeable material are called a _________________.
perched water table
The measure of the winding course of a stream is referred to as ____________.
Most of the Earth's water exists in which environment?
Structural geologists display information about geologic rock units, the orientation of those units, and structural deformation on _____________.
Reverse and thrust faults are the result of compressional deformation.
The configuration of the water table is usually a subdued replica of the overlying land surface.
_________ are down-arched folds with the youngest rock layers found in the core of the structure.
In a dip slip fault, if the hanging wall moves down the fault plane, the fault is referred to as a ___________ fault.
The type of stream drainage pattern that develops on homogenous and horizontal rocks is known as ____________.
Streams that contribute part of their flow to the subsurface are called _____________ streams.
The type of stream drainage pattern that develops in an area with radiating stream channels from a central point is known as ____________.
Contour lines separate all points of higher elevation from points of lower elevation.
The boundary between rock units or formations that separate two different rock units are known as ___________.
_________ have a fault plane that dips less than 45 degrees.
_________ are up-arched folds with the oldest rock layers found in the core of the structure.
On a topographic map, contour lines that are widely spaced apart indicate a _______ slope.
On a USGS published topographic map, the color brown is used to depict _____________.
On a USGS published topographic map, the color red is used to depict _____________.
major roads and highways
The reference line for Townships in the Publice Land Survey system is known as the __________.
Subtractions of water from the water table by gravity and pressure are known as __________.
Reversel faults work against with the force of gravity.
Caves that form in the saturated zone tend to form elliptical passageways as water movement is driven by ____________.
With respect to compressional stress, plastic deformation takes place _________ will generally produce folded rock layers.
Topographic maps can be used to determine the location of a feature on the Earth's surface. Which of the following ways uses an imaginary grid system to determine location?
attitude and longitutde
The underground layer of soil and sediment in which all the pore space is filled with water is known as the ____________.
zone of saturation
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