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The Tlayúa Quarry Konservat-Lagerstätte (Albian, Lower Cretaceous; Tepexi de Rodríguez, Puebla, Mexico) is known worldwide for the preservation of its ubiquitous fossil remains. Major and trace element concentrations of selected limestone samples from zone 13 of the Tlayúa Quarry were measured in order to understand the depositional conditions and source of REE + Y. The concentrations of SiO2, Al2...
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