0
the bottom one
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
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".
When a layer or several layers of rock are missing from a rock layer is a what?
disconformitiesangular unconformitiesnonconformities
What feature is formed when a sedimentary rock layer overlies a nonsedimentary rock layer?
Unconformity
How does the age of a rock layer compare with an igneous intrusion that is through it or an igneous rock extrusion above it?
If it is above it, the rock layer came after the intrusion. if the intrusion went through the rock layer is older because they layer had to be there in order for the intrusion to go through.
What results from one layer of rock on top of another layer?
yes
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.
What is the name of the oldest layer of rock found in Natural Bridge Caverns?
the oldest layer is made of fgh a type of cavemen pets formed from sub. teachers beating the kids pets
