New field of research: Crystal traces in fossil leaves

ScienceDaily
Oct 7, 2022, 3:21 pm159 pts
In fossil leaves, puzzling structures are often visible under the microscope. Researchers have now been able to show for the first time that they originate from calcium oxalate crystals. On the one hand, their discovery facilitates the identification of the ancient plant remains. But it also provides answers as…

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