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gavmur [86]
4 years ago
5

If horizontal sedimentary strata overlie tilted strata (and no fault is present), the surface between the horizontal and tilted

strata must be a(n) ________.
a. conformable sedimentary contact.
b. angular unconformity.
c. disconformity.
d. nonconformity.
Geography
1 answer:
OleMash [197]4 years ago
4 0

Answer: b. angular unconformity

Explanation:

Unconformity signifies a discontinuous sediment deposit and describes any period of discontinuity in the formation of a rock. It happens when an older layer erodes before a top layer is formed.  

An angular unconformity is when horizontal sediments are deposited on top of a tilted layer, washed away by erosion and no fault is present.

A disconformity describes when this happens between sedimentary layers while a nonconformity exists between sedimentary rocks and other rock types  such as an igneous rock.

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