Stratigraphy
5 practice questionsGeologyStep-by-step solutions
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1
A buried erosion surface representing a gap of missing time in the rock record is called a(n):
A.Unconformity
B.Fault
C.Fold
D.Dike
2
Stratigraphy is the branch of geology that studies:
A.Rock layers (strata) and their sequence
B.Earthquakes only
C.Mineral hardness
D.Ocean currents
3
The principle of cross-cutting relationships states that a geologic feature that cuts across rock layers is:
A.Older than the layers
B.Younger than the layers it cuts
C.The same age as the layers
D.Impossible to date
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