Which of the following best describes a nonconformity? O an area where younger, flat strata were deposited on top of alder strata that were tilted during uplift O any evidence that a rock layer is missing from a strata sequence O the boundary where sedimentary layers were deposited on igneous or metamorphic rock O an area where original horizontal sediments were lifted up and the top layers eroded, then resubmerged beneath water, and new sediments were deposited

Applications and Investigations in Earth Science (9th Edition)
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ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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**Quiz Question: Understanding Nonconformity in Geology**

**Question:**
Which of the following best describes a nonconformity?

1. An area where younger, flat strata were deposited on top of older strata that were tilted during uplift

2. Any evidence that a rock layer is missing from a strata sequence

3. The boundary where sedimentary layers were deposited on igneous or metamorphic rock

4. An area where original horizontal sediments were lifted up and the top layers eroded, then resurged beneath water, and new sediments were deposited

**Explanation:**

A nonconformity is a type of unconformity in geological terms, specifically referring to the surface of contact between sedimentary rocks and older, eroded igneous or metamorphic rocks. This boundary is significant because it indicates a period of erosion or non-deposition that separates these different rock types. Understanding nonconformities helps geologists to interpret Earth's history and the processes that have shaped its surface.
Transcribed Image Text:**Quiz Question: Understanding Nonconformity in Geology** **Question:** Which of the following best describes a nonconformity? 1. An area where younger, flat strata were deposited on top of older strata that were tilted during uplift 2. Any evidence that a rock layer is missing from a strata sequence 3. The boundary where sedimentary layers were deposited on igneous or metamorphic rock 4. An area where original horizontal sediments were lifted up and the top layers eroded, then resurged beneath water, and new sediments were deposited **Explanation:** A nonconformity is a type of unconformity in geological terms, specifically referring to the surface of contact between sedimentary rocks and older, eroded igneous or metamorphic rocks. This boundary is significant because it indicates a period of erosion or non-deposition that separates these different rock types. Understanding nonconformities helps geologists to interpret Earth's history and the processes that have shaped its surface.
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