Arthur holmes radiometric dating

In 1911 the discovery that the world was billions of years old changed our view of the world forever.

Studies of strata, the layering of rock and earth, gave naturalists an appreciation that Earth may have been through many changes during its existence.

Before radiometric dating there was no way of knowing.

In certain situations, before radiometric dating, there was no way of knowing.

These layers often contained fossilized remains of unknown creatures, leading some to interpret a progression of organisms from layer to layer.

Xenophanes interpreted fossil-bearing strata in much the same way during the sixth century ) discovered the existence of shells and fossils in regions that once housed seas and was later transformed into dry land, such as the Indian subcontinent.

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