If the contact between the upper light-colored sedimentary
Chapter , Problem 23MCQ(choose chapter or problem)
Problem 23MCQ
If the contact between the upper light-colored sedimentary layers and the lower dark-colored metamorphic rocks is a depositional contact, what type of feature is present?
A. a surface representing missing geologic time
B. an angular unconformity
C. an ancient erosion surface
D. all of these
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