Major element composition of glass shards from 1458/59 CE cryptotephra in VK2...
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https://b2find.eudat.eu/dataset/78769080-0e05-5933-a7d7-8de29484439b
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We present the major element compositions (SiO₂, TiO₂, Al₂O₃, FeO, MgO, CaO, Na₂O, and K₂O) of unpolished micron-sized volcanic glass shards within cryptotephra layers...
