The law of superposition states that in an undeformed sequence of sedimentary rocks the oldest rocks will be at the bottom while the youngest will be on top. Notice the word undeformed in the last sentence: that means the naturally occurring rock layers are
somehow altered, causing confusion or gaps in the geologic record. Changes to the rock strata can occur due to a variety of geologic
events. Which geologic event is INCORRECTLY identified?
es )
A)
A. Faulting due to stress and fracture.
B)
B. Folding of layers due to compression.
D. Intrusion of magma at Earth's surface
D)
C. Unconformity showing erosion and deposition
History of the Earth
No