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it means that as the new rock is pushed upwards to the surface, its overlaps the older rock.

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What are older rocks that lie under younger rocks called?

You may be referring to an "outlier" which is an area of older rocks surrounded by younger ones due to faulting and erosion removing layers of younger rocks and forcing older ones up into them. You may also potentially be referring to a xenolith. This is a fragment of older material that has not melted that is trapped within lava or other younger igneous material.


What term denotes blocks of older rock enclosed in a body of younger igneous rock?

Xenoliths are blocks of older rock enclosed in a body of younger igneous rock.


Intrusions of the igneous rock are younger or older than the rock layers beneath and surrounding them?

Intrusions of igneous rock are typically younger than the rock layers they penetrate. This is because the magma that forms igneous intrusions is usually injected after the surrounding rocks have already solidified and formed.


Is the fault older or younger than rock layer A?

The fault is younger than rock layer A. This is because faults are fractures in the Earth's crust that form after the deposition of rock layers, and activities like faulting can occur long after the rock layers have been deposited and solidified.


Which is older a dike or the rock layers the dike cuts across?

Dikes are always younger than the surrounding rock layers. The same holds true for any kind of intrusion. It will always be younger than anything that it is intruding into. To put it simply, you can't force an object into a bed of rock unless the bed of rock is already there.

Related Questions

How could you tell an older rock from a younger rock just by looking at their isochrons?

You could tell an older rock from a younger rock by looking at it because the older rock isochron would have a steeper slope.


What term denotes blocks of older rock enclosed in a body of younger igneous rock?

Xenoliths are blocks of older rock enclosed in a body of younger igneous rock.


What are older rocks that lie under younger rocks called?

You may be referring to an "outlier" which is an area of older rocks surrounded by younger ones due to faulting and erosion removing layers of younger rocks and forcing older ones up into them. You may also potentially be referring to a xenolith. This is a fragment of older material that has not melted that is trapped within lava or other younger igneous material.


Do you find older rock above or below younger rock?

The law of superposition states: in horizontal rock layers, each layer is older than the one above it and younger than the one below it.


Intrusions of the igneous rock are younger or older than the rock layers beneath and surrounding them?

Intrusions of igneous rock are typically younger than the rock layers they penetrate. This is because the magma that forms igneous intrusions is usually injected after the surrounding rocks have already solidified and formed.


Is an extrusion older or younger than the rock layer below it?

Extrusion is older than intrusion because, an extrusion is always younger than the rocks below it. An intrusion is always younger than the rock layers around and beneath it. Hope the answers correct ;)


Are layers of rock above and below the coal or older and younger?

Every layer of rock, as one moves up from the core, is younger than the one below it. This means that the layers of rock above and below the coal are different ages, with the one above younger and the one below older.


Are the layers of rock above and below the coal older or younger?

Every layer of rock, as one moves up from the core, is younger than the one below it. This means that the layers of rock above and below the coal are different ages, with the one above younger and the one below older.


Is the layer of rock at the bottom of a sedimentatry rock younger or older?

The layer of rock at the bottom of a sedimentary rock is older. This is due to the principle of superposition, which states that in an undisturbed sequence of rock layers, the oldest rocks are at the bottom and the youngest are at the top.


What does the law of superpositioning state?

Principle stating that older rock layers are beneath younger rock layers.


How do scientists explain older and younger rock placement on the ocean floor?

They measure how far away the rock is from the mid-ocean ridge. The farther, the older.


What processes might put younger rock beneath older rock?

The process of "overthrusting" occurs when tectonic forces push one rock layer on top of another, causing younger rock to be placed beneath older rock. This can lead to a reverse order of rock layers in a geologic formation. Another process, called "faulting," involves the movement of rock layers along a fault plane, which can result in the displacement of younger rocks below older rocks.