How radiometric dating works

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From the mapped field relationships, it is a simple matter to work out a geological cross-section and the relative timing of the geologic events.

His geological cross-section may look something like Figure 2.

Clearly, Sedimentary Rocks A were deposited and deformed before the Volcanic Dyke intruded them.

These were then eroded and Sedimentary Rocks B were deposited.

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What would our geologist have thought if the date from the lab had been greater than 200 million years, say 350.5 ± 4.3 million years?In the same way, by identifying fossils, he may have related Sedimentary Rocks B with some other rocks.Creationists would generally agree with the above methods and use them in their geological work.Geology is the study of the composition and physical properties of rocks, minerals, gems and other related earth materials, including diamonds and crystals.Scientists gain an understanding of the Earth's history by studying its composition.

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