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The simple answer is that the old rock is at the bottom and the young rock is at the top. But sometimes the Earth has folded its skin over so it's all sideways or even upside down. You can see seashells at 5,000 metres up the Himalayas.

The newest rocks are those formed where the crust is spreading, or as lava flows from volcanoes. This rock was liquified and mixed in its magma form. The oldest rocks are near the centers of continents, mainly underground but occasionally exposed by upthrust folding and/or erosion.

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Related Questions

Is the youngest or oldest rock on top?

The youngest rock is typically found on top in a sequence of rock layers due to the principle of superposition, which states that younger rocks are deposited on top of older rocks. This means that the oldest rock is usually located at the bottom of a sequence of rock layers.


What is a fold in which the youngest rock layers are in the center of the fold called?

A fold where the youngest rock layers are in the center is called an anticline. In an anticline, the rock layers are folded upwards, creating a convex shape with the oldest layers on the outside and the youngest layers in the center.


How can you tell what layer of rock is oldest or youngest?

In undisturbed rock layers, the principle of superposition states that the youngest rock layers are on top and the oldest are at the bottom. This means that the rock layer closest to the surface is the youngest, while the layer at the bottom is the oldest. Additionally, the principle of cross-cutting relationships helps determine relative ages by looking at how faults and intrusions cut across rock layers.


What can you determine from undistributed rock layers and Where would you find the oldest and youngest rock?

Undistributed rock layers may indicate that the layers have not been disturbed or deformed from their original horizontal positions. The oldest rock layers are typically found at the bottom of a sequence, while the youngest rock layers are found at the top, following the principle of superposition in geology.


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.


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


Can someone help me Identify the rock layers from oldest to youngest, Thanks!?

This is the problem,Thanks!


What rock layer is the youngest?

The principle of superposition states that in an undisturbed sequence of rock layers, the youngest will be at the top, the oldest at the bottom.


How are strata arranged and what exactly are they?

Strata are layers of rock or sediment that have been deposited over time. They are arranged in a sequence, with the oldest layers at the bottom and the youngest layers at the top. This arrangement is known as the principle of superposition, which states that in any undisturbed sequence of rock layers, the oldest rocks will be at the bottom and the youngest rocks will be at the top.


Which rock layer was deposited last?

The topmost rock layer is the one that was deposited last, as rock layers are typically deposited in a vertical sequence with the oldest layers at the bottom and the youngest layers at the top.


Which is the youngest in a sereis of undisturbed rock layers where shale lies between sandstone below and limestone above?

The shale layer is the youngest in the series. In undisturbed rock layers, the Law of Superposition states that the youngest layer is on top and the oldest is at the bottom. So, in this case, the limestone would be the oldest layer, followed by sandstone, and then shale.


When studying a stack of rock layers the layers are usually toward the bottom and the layers are usually toward the top?

In a stack of rock layers, the oldest layers are usually found at the bottom, while the youngest layers are found at the top. This is due to the principle of superposition, which states that in an undisturbed sequence of sedimentary rocks, the oldest rocks will be at the bottom and the youngest rocks at the top.