How Does Rock Age Change With Depth?

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Study for the FMS Science Test. Engage with flashcards and multiple-choice questions, each enhanced with hints and explanations. Prepare thoroughly for your exam!

Multiple Choice

How Does Rock Age Change With Depth?

Explanation:
In geology, the age of rock in a sequence generally increases with depth when the layers have not been disturbed. Sediments accumulate on top of older layers, so each new layer records a later time than the one beneath it. As you go deeper, you’re looking at rocks that formed earlier, buried under younger material that was deposited later. That’s why deeper rocks are typically older. Exceptions can happen if the rock record has been tilted, overturned, intruded by younger magma, or heavily metamorphosed, which can mix the apparent ages. But for an undisturbed sequence, deeper means older, making the statement that rocks get older as you go deeper the best answer.

In geology, the age of rock in a sequence generally increases with depth when the layers have not been disturbed. Sediments accumulate on top of older layers, so each new layer records a later time than the one beneath it. As you go deeper, you’re looking at rocks that formed earlier, buried under younger material that was deposited later. That’s why deeper rocks are typically older.

Exceptions can happen if the rock record has been tilted, overturned, intruded by younger magma, or heavily metamorphosed, which can mix the apparent ages. But for an undisturbed sequence, deeper means older, making the statement that rocks get older as you go deeper the best answer.

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