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Why is an unconformity created when sediment stops and restarts again?
An unconformity is created when there is a gap in the rock record due to erosion or non-deposition of sediment. When sedimentation stops and then restarts, there is a period of time where the underlying rock is exposed to erosion, creating a gap in the sequence of rock layers. This gap represents missing geological time in the rock record.
What general term denotes a buried erosional surface where rock layers are missing?
unconformity
What is the relative age of a fault or igneous intrusion that cuts through an unconformity?
The relative age of a fault or igneous intrusion that cuts through an unconformity is younger than the unconformity but older than the rock it cuts through. This is because the fault or intrusion must have formed after the deposition of the rock layers below the unconformity but before the deposition of the rock layers above the unconformity.
What feature is formed when a sedimentary rock overlies a nonsedimentary rock layer?
Unconformity
An unconformity will most likely be found in what type of rock?
An unconformity is most likely to be found in sedimentary rock, where there is a gap in the geologic record due to erosion or non-deposition of sediments.
Why is an unconformity created when sediment stops and restarts again?
An unconformity is created when there is a gap in the rock record due to erosion or non-deposition of sediment. When sedimentation stops and then restarts, there is a period of time where the underlying rock is exposed to erosion, creating a gap in the sequence of rock layers. This gap represents missing geological time in the rock record.
What general term denotes a buried erosional surface where rock layers are missing?
unconformity
What is the relative age of a fault or igneous intrusion that cuts through an unconformity?
The relative age of a fault or igneous intrusion that cuts through an unconformity is younger than the unconformity but older than the rock it cuts through. This is because the fault or intrusion must have formed after the deposition of the rock layers below the unconformity but before the deposition of the rock layers above the unconformity.
What name is given to layers of tilted rocks that are overlain by younger more flat lying rock layers?
angular unconformity
What is the definition angular unconformity?
Angular unconformity is a type of unconformity in which tilted or folded rock layers are overlain by horizontal rock layers. This indicates a period of deformation and erosion followed by deposition of younger sedimentary layers. It represents a gap in the geologic record.
What feature is formed when a sedimentary rock overlies a nonsedimentary rock layer?
Unconformity
What is an unconformity what can it tell you?
Type your answer an unconformity indicates where a layer is missing in the strata sequence, so it tells you that there is a missing rock layerhere...
A place where an old eroded rock surface is in contact with a newer rock?
Is called an unconformity.
What feature is formed when a sedimentary rock layer overlies a nonsedimentary rock layer?
Unconformity
Which of the following best characterizes an angular unconformity?
An angular unconformity is a type of unconformity where older layers of rock are tilted or folded before younger sedimentary layers are deposited on top. This results in a clear angular discordance between the two sets of rock layers, showing a gap in the geologic record.
An unconformity will most likely be found in what type of rock?
An unconformity is most likely to be found in sedimentary rock, where there is a gap in the geologic record due to erosion or non-deposition of sediments.
A gap in the sequence of rock layers is a?
An unconformity is a gap in the sequence of rock layers where erosion or non-deposition has occurred, resulting in missing layers of rock. This discontinuity represents a period of time where geological processes disrupted the normal deposition of sediments.
