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3 September, 01:06

A surface of erosion on metamorphic or igneous rocks below sedimentary rocks is a (n) : OA) nonconformity. OB) disconformity. OC) angular unconformity. OD) anticonformity. OE) none of the above

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  1. 3 September, 02:54
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    Nonconformity

    Explanation:

    There are four different types of unconformity

    Nonconformity is when there is an erosional surface on a metamorphic or igneous rock and we find sedimentary rocks (layers) over them

    Disconformity is between sedimentary rocks that are divided by a surface of erosion and the have the same attitude

    Angular unconformity is also between sedimentary rocks divided by an erosional surface, the difference here is that the have different attitude

    Paraconformity Between sedimentary rocks without erosional surface and same attitude, the explanation is that there was a period withput deposition and without erosion
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