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13 July, 22:44

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?

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  1. 13 July, 22:48
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    A nonconformity is present. This is when an old igneous rock or metamorphic rock is topped with a sedimentary rock that is much younger. The sedimentary rock is usually above the surface. This type of formation shows that there was a tectonic period and then a period in which the land experienced erosion.
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