GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A surface of erosion that separates one layer of rock from another
A
Unconformity
B
Erosion
C
Decay
D
Intrusion
Explanation: 

Detailed explanation-1: -A disconformity is an unconformity between parallel layers of sedimentary rocks which represents a period of erosion or non-deposition. Disconformities are marked by features of subaerial erosion. This type of erosion can leave channels and paleosols in the rock record .

Detailed explanation-2: -An unconformity is a surface of non-deposition that separates younger strata from older rocks and indicates an interruption in the geological record.

Detailed explanation-3: -Disconformity: exists where the layers above and below an erosional boundary have the same orientation. Nonconformity: develops where sediments are deposited on top of an eroded surface of igneous or metamorphic rocks.

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