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Dynamic compression of SiO_2: A new interpretation

Akins, Joseph A. and Ahrens, Thomas J. (2002) Dynamic compression of SiO_2: A new interpretation. Geophysical Research Letters, 29 (10). Art. No. 1394. ISSN 0094-8276. doi:10.1029/2002GL014806.

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In light of recent discoveries of post-stishovite phases of SiO_2, with the CaCl_2 and α-PbO_2 structures, we have reassigned the regimes along the Hugoniots for initial quartz, coesite, cristobalite, porous coesite, and fused silica. Calculated Hugoniots for fused silica, cristobalite and porous coesite indicate transition to stishovite, and then melt. Hugoniots for crystal quartz and coesite indicate that transition occurs to stishovite, then the CaCl2 structure and finally to melt.

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Alternate Title:Dynamic compression of SiO2: A new interpretation
Additional Information:© 2002 by the American Geophysical Union. Received 25 January 2002; revised 1 April 2002; accepted 3 April 2002; published 22 May 2002. Research supported by NSF. JAA appreciates the support of Sandia National Laboratory where a substantial portion of this study was performed. We appreciate receiving preprints from Wendy Panero. Helpful reviews by Denis Andrault, Sarah Stewart-Mukhopadhyay, Ahmed El Goresy, and Paul Asimow are appreciated. Contribution number 8859, Division of Geological and Planetary Sciences, California Institute of Technology.
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Caltech Division of Geological and Planetary Sciences8859
Issue or Number:10
Record Number:CaltechAUTHORS:20141022-083721362
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Official Citation:Akins, J., and T. Ahrens, Dynamic compression of SiO2: A new interpretation, Geophys. Res. Lett., 29(10), doi:10.1029/2002GL014806, 2002
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50664
Deposited By: Tony Diaz
Deposited On:22 Oct 2014 16:29
Last Modified:10 Nov 2021 18:59

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