GLY 007 Final
a benchmark is...
a permanent marker on the ground that indicates location and elevation
the principles of superposition can be used to determine...
a sequence of lava flows layers of unconsolidated sediment in a lake horizontal layer of sedimentary rock inter-layered with lava flow
contour lines on a topographic map...
are spaced at equal distances from one another horizontally
ground water is unique among all the erosional agents because it..
carves landscapes from below the surface
the principle of superposition can be used to determine the relative ages of all EXCPET...
folded sedimentary rocks
if a sequence of sedimentary rocks has been folded and is now vertical...
graded bedding can be determined if beds are older/younger than neighbors
the sinuosity of a stream is a measure of...
how much it meanders
during longshore drift, sand grain moves
in a zigzag pattern
contour lines on a map connect points...
of elevation
zero contour line is also known as...
sea level
groundwater is the part of the hydrosphere in which water...
seeps into pores in sediment and rock flows through fractured in bedrock may leak into the ground from streams
By what motion(s) do sediment particles move in a stream?
sliding rolling bouncing
the severity of the impact of costal hurricane on the shoreline depends on...
the path of the eye of the hurricane whether the storm comes onshore at high/low tide wind velocity
the dominant cause of erosion along a lake and ocean shorelines is...
waves
Relative age refers to...
whether a feature is older or younger than another
Possible base level of a stream...
a lake into which it flows a large stream into which it flows the ocean
the principle of inclusion states that...
a sedimentary rock must be younger than the clasts that it contains
spits and barrier islands are
deposited by longshore drift
small tick marks (harchures) on contour lines indicates...
depressions
how is the water table lowered?
during periods of drought
sinkholes typically have steep-walled sides because...
gravity causes the roof of an area hollowed by solution to collapse
The ____ of a stream are where it begins, and its ____ is/where it flows into another body of water
headwaters; mouth
What feature(s) might submergent shorelines be characterized typically?
highly irregular coastlines numerous bays and headlands sandbars and lagoons
what most likely will happen if the water table is at the ground surface?
small depressions will be filled with water basements will flood water from heavy rain will not be able to sink into ground
the gradient of a stream is describes...
the steepness of its path through the landscape
angular unconformity is evidence that
there is an incomplete geologic record preserved in an area
