Types of chronometric dating methods


26-Oct-2017 06:40

The heat from a volcanic eruption releases all the argon from the molten rock and disperses it into the atmosphere.Argon then starts to re-accumulate at a constant rate in the newly formed rock that is created after the eruption.

Absolute dating is not possible with this method because the rate at which the nitrogen content declines depends on the surrounding temperature, moisture, soil chemicals and bacteria.Only one sample is required for this method as both the argon-39 and argon-40 can be extracted from the same sample.



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