In an unconformity between two layers of rock, the lower layer is usually described is much older than the upper layer.
A buried erosional or non-depositional surface that separates two rock masses or strata with varying dates is called an unconformity, and it shows that sediment deposition was not continuous. However, the phrase is used to characterise any pause in the sedimentary geologic record. In general, the older layer was exposed to erosion for a period of time before the younger layer was deposited.
An unconformity is a difference between the ages of the rocks above and below (unless the sequence has been overturned). An unconformity denotes a period of time when no sediments were preserved in the area or were lost to erosion before the subsequent deposition. A hiatus is the portion of geologic time that is not represented. It resembles relative dating.
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Answer: (C) A little younger than the upper layer
Explanation:
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