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5 May 2022

Telkling actual time in the rock record

We have discovered a new method to tell time in the Geological record, using core scanning XRF analyses, which we have now applied to Cambrian and Ordovician rocks to refine the Geological Time Scale. The study, led by my PhD student Zhengfu Zhao, is now published in Nature Communications. The new method was first discovered […]

21 Nov 2021

Field work in Malo Jezero, Mljet Croatia

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[Croatia Nov 10,2021]: Abiotic aragonite precipitates in the modern seawater-fed lake and provide an opportunity to understand how trace elements gets into the carbonate rock record.

18 Oct 2021

Podcast: The Geobiological History of Earth

Danish Science journalist Lone Frank interviews Tais W. Dahl about his research. Her podcast series is called “24 Questions to the Professor” and runs in Danish. The podcast went from the formation of the Earth, through microbial evolution and into the world of animals and the colonization of land. What drove environmental evolution and Earth’s […]