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.


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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