Age dating of fossils 13 girl online videos chat

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There are other methods for determining fossil age.

For example, uranium- series dating measures the amount of thorium-230 present in limestone deposits.

A number of methods are used today to date fossils.

Most of the methods are indirect meaning that the age of the soil or rock in which the fossils are found are dated, not the fossils themselves.

It includes an example of a running dinosaur that left tracks with an 8-foot (2.4-meter) space between the right and left prints; from these prints, scientists calculated that the dinosaur ran at speeds of 14.5 miles (23.3 kilometers) per hour one of the faster dinosaurs known.

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