Geologic dating that is relative

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Geology can also include the study of the solid features of any terrestrial planet or natural satellite such as Mars or the Moon. Modern geology significantly overlaps all other Earth sciences, including hydrology and the atmospheric sciences , and so is treated as one major aspect of integrated Earth system science and planetary science. Geology describes the structure of the Earth on and beneath its surface, and the processes that have shaped that structure. It also provides tools to determine the relative and absolute ages of rocks found in a given location, and also to describe the histories of those rocks.

11.6: Geologic Time Scale

Relative Dating

This makes geology partially philosophical science since we never know the extent and real dimension of time. In this case our own place in time is just a flick among series of evolutionary events. However, as humans we are always ready to place ourselves as central or influential figures. Then we get a slap in the face from Mother Nature, but unfortunately we never learn. Geologists analyze geologic time in two different ways: in terms of relative geologic age , and in terms of absolute or numeric geologic age. Relative geologic age refers to the order in which geologic events occurred.

7: Geologic Time

We often express time in hours or days, and 10 or 20 years certainly feels like a long time. Imagine if you needed to think about one million, million, or even several billion years. These exceptional lengths of time seem unbelievable, but they are exactly the spans of times that scientists use to describe the Earth.
Explore This Park. The eroded cliffs reveal 1. The oldest rocks exposed in the canyon are ancient, 1, million years old. Conversely, the canyon itself is geologically young, having been carved in the last 6 million years. An appreciation of geologic time places geologic topics such as geomorphology, the origin and evolution of the Colorado River, stratigraphy, historical geology, and paleontology in context.
Comments

(12)

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Trell901

14.02.2021

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15.02.2021

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15.02.2021

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16.02.2021

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16.02.2021

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21.02.2021

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21.02.2021

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21.02.2021

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21.02.2021

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22.02.2021

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23.02.2021

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24.02.2021

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