Potassium argon dating is useful for determining the age of

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Thermoluminescence is a similar technique to optical dating, but uses heat instead of light to stimulate the minerals.

Four main methods have been used in Willandra archaeology.According to geologists the age of rocks dates back to 4 billion years.These facts are based on the radioactive isotopes of potassium (K-40).This method is quite useful for paleoanthropologists and archaeologists to study human evolution. The graph shows the population of alligators in one of the computer simulations.The simulation also provides data for many other Everglades species.

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