Microspherules Formed by Lightning StrikesOPEN ACCESS 

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M. R. Boyd, M. J. Genge, A. G. Tomkins MAPS, First published: 15 March 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Natural microspherules are formed by high-temperature processes and are present throughout the geologic record to…

Textural and compositional characteristics of metallic spherules in impact melt from Monturaqui crater, ChileOPEN ACCESS 

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Daniel O. Cukierski, David W. Peate, Ingrid A. Ukstins, Christy Kloberdanz, C. Tom Foster, Chungwan Lim MAPS, First published: 06 February 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Samples of impactite from the small (~350 m diameter)…

Microscopic impactor debris at Kamil Crater (Egypt): the origin of the Fe-Ni oxide spherules

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L. Folco, L. Carone, M. D’Orazio, C. Cordier, M.D.Suttle, M. van Ginneken, M. Masotta Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 1 July 2022 LINK “Kamil crater (Egypt) is a natural laboratory for…

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