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The basement is a term sometimes used, and Cratonis another used in a continental context.
The Principle of Superposition has it that in a given formation, the top layers are the youngest, and the deeper layers the oldest.
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∙ 13y ago
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∙ 15y agoThe Law of Superposition states that in undisturbed strata of sedimentary rock, the oldest rock layer is at the bottom, the youngest at the top.
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∙ 11y agoRocks that are further down in the crust are the oldest.
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∙ 10y agorockss is the softtest when it is deep underground
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∙ 11y agoits the centre of the earth
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∙ 10y agoIgneous rock.
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∙ 12y agoAnonymous
sedimentaryb rock
Anonymous
cuar
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According to the law of superposition the lowest layer in a cross section of rock is what?
is the oldest
When principle states that the oldest rock layer is found at the bottom in an undisturbed stack of rock layers?
It is called Superposition.
Is The top layer of sedimentary rock is the oldest true or fasle?
spell right first
Is the bottom layer the oldest layer?
no, the "your mom" layer is.
Where are the oldest organisms located in the rock layer?
In the geological column , scientists have learned that rocks are stacked in layers. The oldest fossils are located in the deepest layers, a vertical timeline.
Which rock layer is the oldest and why?
the bottom one
What layer of a rock in a mountain is the oldest?
at the bottom
How would you know which is the oldest layer in a rock?
You would know because the youngest rock layer is always on the top, and the oldest is always at the bottom of the canyon.
What is the name for the bottom oldest layer of rock?
The bottom layer of rock in a geologic sequence is usually called the basement layer.
How would you know which rock layer in a canyon is the oldest?
You would know because the youngest rock layer is always on the top, and the oldest is always at the bottom of the canyon.
Superposition can best be explained new layer on old layer?
Superposition is the theory that the rock layer that is on top is the youngest and the layer of rock on the bottom is the oldest.
Is the layer of rock near the surface the oldest?
false
When looking at layers of rock which layer is oldest?
In a normal sequence (ie one that has not been tectonically deformed) the oldest layer is the lowest layer - so the one at the base of the sequence is the oldest. This is called the "law of superposition".
What is the definition for principal of superposition?
states that the lowest rock in layers is the oldest and the highest is the youngest rock layer
According to the law of superposition the lowest layer in a cross section of rock is what?
is the oldest
What is the methods that tells you which layer of rock is oldest but does not tell you exactly how old?
Relative dating
Is the oldest layer of rock on bottom?
In normal circumstances, Yes. that is what the law of superposition says.
