ESSENTIALS OF GEOLOGY-W/ACCESS+WORKBOOK
ESSENTIALS OF GEOLOGY-W/ACCESS+WORKBOOK
5th Edition
ISBN: 9780393612042
Author: Marshak
Publisher: NORTON
Question
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Chapter 10, Problem 1RQ
To determine

The concept of uniformitarianism.

Expert Solution & Answer
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Answer to Problem 1RQ

The concept of uniformitarianism tells that “The present is the key to past”.

Explanation of Solution

According to the principle of uniformitarianism, we observe that there is no transformation in the operations that were conducted under the physical processes,. Concisely, "the present is the key to the past". For example, we can observe the layers of basalt beneath an active volcano. The basaltic strata do not intrude from below surface, and it is clear that this has always been the case given in our present knowledge of Earth’s interior.

The geologic history of earth includes a succession of slow geologic events, and the processes began before the human history.

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