Unconformity - Wikipedia
网页An unconformity is a buried erosional or non-depositional surface separating two rock masses or strata of different ages, indicating that sediment deposition was not continuous.
Unconformity Types, Disconformity, Nonconformity ...
网页2019年6月26日 · Unconformities are typically buried erosional surfaces that can represent a break in the geologic record of hundreds of millions of years or more. It called an unconformity because the ages of the layers of rock …
Unconformity Meaning and the Six Types Explained
网页2023年3月12日 · A disconformity is a buried erosional or non-depositional surface separating parallel rock strata of different ages with visible, irregular, or uneven erosional surfaces. The rock beds between the unconformity have the same orientation and discernable erosional features.
Glad You Asked: What is an Unconformity? - Utah Geological …
网页Put simply, an unconformity is a break in time in an otherwise continuous rock record. Unconformities are a type of geologic contact—a boundary between rocks—caused by a period of erosion or a pause in sediment accumulation, followed by the deposition of sediments anew.
Unconformity: Types of Unconformities – Geology In
网页An unconformity is a buried erosional or non-depositional surface separating two rock masses or strata of different ages, indicating that sediment deposition was not continuous.
9.3: Relative Dating and Unconformities - Geosciences LibreTexts
网页2024年8月24日 · The missing time from when the sediment was eroded away between the limestone and the conglomerate is an unconformity. In the Figure Above are some examples of unconformities. Figure Above: How does a nonconformity form?
1.43: Unconformities- Gaps in the Geologic Record
网页2021年2月15日 · An unconformity is a surface between successive strata that represents a missing interval in the geologic record of time, and produced either by: a) an interruption in deposition, or b) by the erosion of depositionally continuous strata followed by …
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