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Ultrafast growth of wadsleyite in shock-produced melts and its implications for early solar system
 

Summary: Ultrafast growth of wadsleyite in shock-produced
melts and its implications for early solar system
impact processes
Oliver Tschaunera,b
, Paul D. Asimowb
, Natalya Kostandovab
, Thomas J. Ahrensb,c,1
, Chi Mab
, Stanislas Sinogeikind
,
Zhenxian Liue
, Sirine Fakraf
, and Nobumichi Tamuraf
aHigh Pressure Science and Engineering Center, Department of Physics, University of Nevada, Las Vegas, NV 89154; bDivision of Geological and Planetary
Sciences, and cLindhurst Laboratory of Experimental Geophysics, Seismological Laboratory, California Institute of Technology, Pasadena, CA 91125; dHigh
Pressure Collaborative Access Team, Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439; eGeophysical Laboratory, Carnegie
Institution of Washington, Washington, DC 20015; and fAdvanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720
Contributed by Thomas J. Ahrens, June 17, 2009 (sent for review June 20, 2008)
We observed micrometer-sized grains of wadsleyite, a high-pres-
sure phase of (Mg,Fe)2SiO4, in the recovery products of a shock

  

Source: Asimow, Paul D. - Division of Geological and Planetary Sciences, California Institute of Technology,
Ma, Chi - Analytical Facility, Division of Geological and Planetary Sciences, California Institute of Technology

 

Collections: Geosciences