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What is the law of the geological principle that states that in horizontal layers os sedimentary rock each layer is ilder than the layer above or below it and younger than the layer below it?
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Is it true to say that radioactive istopes in clastic sedimentary rocks always predict an age that is younger than the sedimentary rock?
That would not be true due to the fact that sedimentary clastic rock is composed of particles of pre-existing rock.
How do a geologist use the principle of superposition?
A geologist uses the principle of superposition to determine the relative ages of rocks and sedimentary layers. This principle states that in undisturbed layers of rock, the youngest layers are at the top while the oldest layers are at the bottom. By observing the order in which different rock layers are stacked, a geologist can infer the sequence of events that happened over time in a particular location.
What states older rocks lie under younger rocks?
the answer is the principle of superposition
What principal involves an intrusive rock younger than the rock into which it intrudes?
principle of original horizontality
One of the key principles of relative dating is the law of superposition which states that?
Younger layers of sedimentary rock are deposited on older layers
What is the defointion for the law of superstition?
the law of superstition is the geologi principle that states that in horizontal layers of sedimentary rock.Each layer is older than the layer above it and younger than the layer below it
What are the stratigraphic principles?
The principle of superposition states that in an undisturbed sequence of rock layers, the youngest layer is on top and the oldest layer is at the bottom. The principle of original horizontality states that sedimentary rocks are originally deposited in horizontal layers. The principle of lateral continuity states that rock layers extend continuously in all directions until they thin out or reach a barrier. The principle of cross-cutting relationships states that any geological feature that cuts across a rock layer is younger than the layer it cuts through.
What is the relative age of a fault that cuts across three horizontal sedimentary rock layers?
Younger than all three sediments.
What fundamental concept states that in a horizontal sequence of conformable sedimentary strata each higher bed is younger than the bed below it?
law of superposition
What is the geologic term that states that in an undeformed sequence of sedimentary rocks each bed is older than the one above it and younger than the one below it?
The law or principle of superposition.
Which scientific principle states that younger rock layers are generally deposited on top of older rock layers and why?
Superposition
What. Type of unconformity consists of tilted sedimentary rocks that are overlain by younger more flat lying sedimentary rocks?
angular unconformity
What are the relative ages of igneous intrusion and overlying sedimentary rock layers that dome upward?
The intrusion is younger than the overlying sedimentary rock.
Are only sedimentary rocks used for relative age determination?
No, igneous rocks can be used in this way based on the fact that an igneous intrusion will be younger than the material through which it passes. This is part of the principle of cross cutting relationships.
Why are geysers in the west?
Younger more active geological processes, cause more volcanic activity which is what a geyser is.
Why is the geological column considered to be evidence for evolution?
In itself, it isn't. The geological column is a principle used in the preliminary dating of geological features relative to other features. Palaeontology uses estimates gained through geological dating to establish timeframes for the emergence of particular forms in the fossil record. These timeframes in themselves also aren't evidence for common descent, in themselves. What is evidence for common descent is that derived forms are almost always found in geological features that are younger than the layers the oldest basal forms are found in. For example: no primates before mammals; no apes before primates; no humans before apes; and so on.
Where would you typically find younger rocks?
If you are talking about sedimentary rock, and the idea of relative dating, then the younger rock would be on top closer the the surface.
