Th Grand Canyon is a good example of both superposition and cross cutting relationships. The way it shows superposition is simple. It is made of sedimentary rock that is arranged in very obvious layers. The rocks on top are younger than the rocks on the bottom. This makes sense because you can't stack something from the top. It just isn't possible. It is like stacking photos. The ones at the bottom of the stack are older because you stacked them before the other photos. That is how superposition is shown in the Grand Canyon.
The Grand Canyon also shows cross cutting. The principle of cross-cutting relationships states that when one geologic feature cuts through another, the one that is cutting through is the younger of the two. This can be found in many places throughout the Grand Canyon. One example of this is a type of intrusion called a dike. A dike is just a band of igneous rock that cuts through another pre-existing geologic feature. That is one way that cross-cutting relationships is found in the Grand Canyon, but there are many others throughout its vastness.
The Grand Canyon also shows cross cutting. The principle of cross-cutting relationships states that when one geologic feature cuts through another, the one that is cutting through is the younger of the two. This can be found in many places throughout the Grand Canyon. One example of this is a type of intrusion called a dike. A dike is just a band of igneous rock that cuts through another pre-existing geologic feature. That is one way that cross-cutting relationships is found in the Grand Canyon, but there are many others throughout its vastness.
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