Cover image:

Fulgurite Zacatecas. Fragments of skeletal crystals of Fe-silicate and two prismatic crystals (< 10 μ m) of Si-Fe (silicides) whiting the vitreous matrix. Scanning electron microcopy image; see related paper of Reyes-Salas et al. in this issue.

DOI: https://doi.org/10.22201/cgeo.20072902e.2017.3
Published: 2017-11-29

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