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02-Dec-2019 19:39

These processes result in All of these processes confuse the stratigraphic record.

In many cases, however, it is possible to reconstruct the original sequence of strata so that they can be used for relative dating.

(light brown) Next, fossil-rich sedimentary rocks were precipitated.

These rocks are tilted due to deposition on the non-horizontal surfaces of primitive rocks.

Though radiometric dating offers a modern way to date rocks, the principles of stratigraphy remain a tried and true way to learn about rock layers.

Stratigraphy, or the scientific study of rock layers, includes relative dating.

However, the assumption of contemporaneity may not always be correct.

This is due to the fact that one or both of the objects may have been moved or redeposited into a different location.

Wind and water erode strata and some areas are uplifted or even tilted.

For instance, if we find a fossil bone below the strata 3 rock level shown above, we assume that the animal most likely lived at a time before that layer was formed.

However, we must be careful to note whether or not the fossil comes from the mixed strata zone of the filled in hole..

Four principles of stratigraphy give geologists ways to understand rock layers, including when and how they were created.

The Grand Canyon acts as a modern testament to stratigraphy and relative dating.

Wind and water erode strata and some areas are uplifted or even tilted.For instance, if we find a fossil bone below the strata 3 rock level shown above, we assume that the animal most likely lived at a time before that layer was formed.However, we must be careful to note whether or not the fossil comes from the mixed strata zone of the filled in hole..Four principles of stratigraphy give geologists ways to understand rock layers, including when and how they were created.The Grand Canyon acts as a modern testament to stratigraphy and relative dating.When geologists study layers of rocks, they get a glimpse of the past.