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You can tell the age of the layers. The bottom layer is the oldest and the top is the youngest. When the layers are disturbed they tend to get bent and messed up and you cannot tell the age

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16y ago

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How do geologist know that rock layers are undisturbed?

Geologists know that rock layers are undisturbed by examining the relationships between the different layers. If the layers are parallel and show no signs of folding, tilting, or faulting, they are likely undisturbed. Additionally, the presence of index fossils can help date the layers and determine if they have been disturbed.


In layers of undisturbed sedimentary rock the oldest rocks are on the?

Factors such as wind, ice, and warder contribute to sedimentary build up. As this occurs older layers of sedimentary rock are driven lower while newer layers replace them closer to the surface.


Younger layers of undisturbed sedimentary rock are above older layers according to?

the principle of superposition, which states that in an undisturbed sequence of rock layers, the youngest layer is on top and the oldest is on the bottom. This principle helps geologists determine the relative ages of rock layers based on their position in a stratigraphic sequence.


The statement that old rocks are on the bottom in layers of undisturbed rock is called?

The statement that old rocks are found at the bottom of undisturbed rock layers is known as the Principle of Superposition in geology. This principle helps geologists understand the relative ages of rock layers based on their position.


Undisturbed rock layers?

Undisturbed rock layers refer to layers of sedimentary rock that have not been altered or disrupted since their original deposition. By analyzing undisturbed rock layers, geologists can determine the sequence of events that have occurred in a particular area over time, as each layer represents a distinct period of deposition. This can help in understanding the geological history and processes that have shaped the Earth's surface.

Related Questions

How do we know if rock layers are undisturbed?

The rock layers will be easily visible.


How are the layers of rock if they are undisturbed?

The undisturbed rock layers are horizontal and in order of age from youngest nearest the surface to oldest at the bottom of the rock unit.


How do geologist know that rock layers are undisturbed?

Geologists know that rock layers are undisturbed by examining the relationships between the different layers. If the layers are parallel and show no signs of folding, tilting, or faulting, they are likely undisturbed. Additionally, the presence of index fossils can help date the layers and determine if they have been disturbed.


What is based on the idea that younger rock layers are deposited on top of older rock layers in undisturbed areas?

The principle of superposition states that in undisturbed sedimentary rock layers, the youngest layers will be on top and the oldest layers will be at the bottom. This principle forms the basis of relative dating in geology.


How can you tell if sedimentary rock is undisturbed?

That would depend on the meaning of 'undisturbed'.


Could you tell me something about realative ages of rocks for a project please?

When you look at a rock that has undisturbed layers, the bottom layers are older and the upper layers are younger. Anytime a rock layer crosses another (ie. an intrusion), the crossing layer is younger.


In layers of undisturbed sedimentary rock the oldest rocks are on the?

Factors such as wind, ice, and warder contribute to sedimentary build up. As this occurs older layers of sedimentary rock are driven lower while newer layers replace them closer to the surface.


Where is the oldest rock layer in an undisturbed rock sequence?

In an undisturbed rock sequence, the oldest rock layer is typically found at the bottom. This is due to the principle of superposition, which states that in sedimentary rock layers, younger layers are deposited on top of older ones. Thus, as you move upwards through the sequence, the age of the rock layers decreases.


How does a geologist know that rock layers are undisturbed.?

When a rock is disturbed, it usually contains one of the following abnormalities:SlantingBendingFoldingCrackingMetamorphismor Nonconformities.If a rock layer contains none of these, then geologists classify it as undisturbed.


Younger layers of undisturbed sedimentary rock are above older layers according to?

the principle of superposition, which states that in an undisturbed sequence of rock layers, the youngest layer is on top and the oldest is on the bottom. This principle helps geologists determine the relative ages of rock layers based on their position in a stratigraphic sequence.


The statement that old rocks are on the bottom in layers of undisturbed rock is called?

The statement that old rocks are found at the bottom of undisturbed rock layers is known as the Principle of Superposition in geology. This principle helps geologists understand the relative ages of rock layers based on their position.


When principle states that the oldest rock layer is found at the bottom in an undisturbed stack of rock layers?

It is called Superposition.