Traveling along the time line: Geological dating methods

The study of the past is like a detective story to solve, in fact to identify the culprit you need to know exactly at what time the crime has been committed; hence a measure of time is necessary. Researchers have explored archaeological excavations or geological deposits in search of “natural clock” objects that have possibly recorded the time passed from a specific event, and they have found that growth rates or extinction of some organisms and radioactive elements could be useful for this purpose.

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About the Author

Alessia Colaianni
Alessia Colaianni PhD in Geomorphology and Envinronmental dynamics. She is working museum guide, journalist, and science communicator in Italy.

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