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Characterization of exogenic fulgurites from an archaeological site in Tiedra, Valladolid, Spain

Authors: Pablo Martin-Ramos;Francisco P. S. C. Gil;Francisco Javier Martin-Gil;Jesus Martín-Gil

Ref.: Geol Mag 156(8), S0016756819000438 (2019)

Abstract: Studies on type-V fulgurites are very sparse in the literature. This work reports on the characterization of natural exogenic fulgurites found at the archaeological site of Cerro de la Ermita (Tiedra, Valladolid, Spain), which was firstly a Celtiberian and then a Roman locum sacrum. Data from X-ray powder diffraction, X-ray fluorescence spectroscopy, Fourier-transform infrared spectroscopy and Raman spectroscopy suggest that the fulgurites consist of naquite, piroxenes, iron oxides, shocked quartz and neo-formed cristobalite.

DOI: 10.1017/S0016756819000438