This photograph shows the law of superposition at work. What is the law of superposition?
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A fault or intrusion of rock younger than the rock it cuts through.
In undisturbed rock layers, the older rocks are on the bottom and the younger rocks are on the top.
This photograph shows the law crosscutting. What is the law of crosscutting?
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A fault or intrusion of rock younger than the rock it cuts through.
In undisturbed rock layers, the older rocks are on the bottom and the younger rocks are on the top.
The law of superposition uses relative age to determine the age of rocks and fossils. What is absolute age?
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1 point
The age of a rock or fossil compared to the rocks or fossils around it.
The age of a fossil or rock expressed in actual years.