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Title: Lightning-induced shock lamellae in quartz
Authors: Gieré, R
Wimmenauer, W
Muller-Sigmund, H
Wirth, R
Lumpkin, GR
Keywords: Lightning
Metamorphic rocks
Electric currents
Electron microscopy
Plutonic rocks
Issue Date: 6-Jun-2015
Publisher: Mineralogical Society of America
Citation: Gieré, R., Wimmenauer, W., Müller-Sigmund, H., Wirth, R., Lumpkin, G. R., & Smith, K. L. (2015). Lightning-induced shock lamellae in quartz. American Mineralogist, 100(7), 1645-1648. doi:10.2138/am-2015-5218 %J American Mineralogist
Abstract: Using transmission electron microscopy we show that planar deformation lamellae occur within quartz in the substrate of a rock fulgurite, i.e., a lightning-derived glass. These lamellae exist only in a narrow zone adjacent to the quartz/fulgurite boundary and are comparable to planar deformation features (“shock lamellae”) caused by hypervelocity impacts of extra-terrestrial objects. Our observations strongly suggest that the lamellae described here have been formed as a result of the fulgurite-producing lightning strike. This event must have generated a transient pressure pulse, whose magnitude, however, is uncertain at this stage. © 2015 GeoScience World
Gov't Doc #: 9068
ISSN: 0003-004X
Appears in Collections:Journal Articles

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