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<p class="MsoPlainText"><span style="font-size:11.0pt">Please take note of Colloquium taking place today, Tuesday, September 11, 2012 at 4:00 PM in The Robert Smith Seminar Room. There will be a reception in the Atrium at 3:45 PM. Details concerning the talk
are as follows:<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span style="font-size:11.0pt">Speaker: Wendy Panero – OSU, School of Earth Sciences<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:11.0pt">Date: Tuesday, September 11, 2012<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:11.0pt">Time: 4:00 PM<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:11.0pt">Place: The Robert Smith Seminar Room<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:11.0pt">Title:
</span><span lang="EN" style="font-size:11.0pt">"Earth Under Pressure: Probing the Deepest Reaches of the Planet"<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:11.0pt">Abstract: </span>
<span lang="EN" style="font-size:11.0pt;color:#222222">The Earth’s inner core is the youngest major feature of the Earth, slowly growing from the inside out at temperatures and pressures of ~6000K and 3.6 Mbar. The dynamics of this region are a consequence
of its composition, mineralogy, and viscosity, while influencing the Earth’s magnetic field and moment of inertia. Recent seismic results show significant heterogeneous features, suggesting that it is undergoing a dynamic process of unknown origin.</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN" style="font-family:"Georgia","serif";color:#222222">This talk presents new methods for measuring transport properties under the high-pressure, high-temperature conditions
of the Earth’s core, combining synchrotron-based X-ray experiments at high pressure and temperature with post-run focused-ion beam milling and transmission electron microscopy. Together with models for texture evolution in metals, the mechanism by which the
inner core develops and maintains anisotropy appears to be a combination of preferential growth in equatorial regions combined with solid-state deformation in response to mass variations in the Earth’s mantle. <o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-size:11.0pt">The website for the Colloquium is
</span><a href="https://physics.osu.edu/physics-colloquium-schedule"><span style="font-size:11.0pt">https://physics.osu.edu/physics-colloquium-schedule</span></a><span style="font-size:11.0pt">
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia","serif""><o:p> </o:p></span></p>
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