TEM-EDX study of weathered layers on the surface of volcanic glass, bytownite, and hypersthene in volcanic ash from Sakurajima volcano, Japan

@article{Kawano2001TEMEDXSO,
  title={TEM-EDX study of weathered layers on the surface of volcanic glass, bytownite, and hypersthene in volcanic ash from Sakurajima volcano, Japan},
  author={Motoharu Kawano and Katsutoshi Tomita},
  journal={American Mineralogist},
  year={2001},
  volume={86},
  pages={284 - 292}
}
Transmission electron microscopy (TEM) and energy dispersive X-ray (EDX) analysis were used to characterize naturally weathered layers on the surface of volcanic glass, bytownite, hypersthene, and secondary precipitates in volcanic ash erupted from the Sakurajima volcano, Japan. TEM analysis of the volcanic ash revealed sharply, bounded, leached layers on the surface of the volcanic glass and bytownite that were thin structureless coatings mostly ≤0.1 μm thick. EDX analysis showed that the… CONTINUE READING

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