[Neutron] Neutron Scattering for the Geosciences session at the Toronto AGU meeting

[Chakoumakos, Bryan C.]

Abstract Submission Deadline: 04 March 2009, 2359 UT (Universal Time)
 
Neutron Scattering for the Geosciences session at the   
AGU 2009 Joint Assembly, The Meeting of the Americas 
24-27 May 2009, Toronto, Ontario, Canada
 
http://www.agu.org/meetings/ja09/ <http://www.agu.org/meetings/ja09/> 
 
Sponsor: 	Mineralogical Association of Canada,
	
CoSponsor: AGU (Volcanology, Geochemistry, and Petrology)

	
Conveners:     	Bryan C. Chakoumakos                          Hongwu Xu
                       Oak Ridge National Laboratory              Los
Alamos National Laboratory
                        Neutron Scattering Science Division      EES-14,
MS-H805
                        P.O. Box 2008, Bldg. 7962
Los Alamos, NM, USA  87545
                        Oak Ridge, TN, USA  37831
(505)665-9266
                        (865)574-5235
hxu at lanl.gov <mailto:hxu at lanl.gov> 
                        chakoumakobc at ornl.gov
<mailto:chakoumakobc at ornl.gov> 

	
Description: 	With the advent of new neutron sources and advances in
neutron instrumentation, neutron scattering is finding increased
applications to studies of materials including Earth and Planetary
materials. Compared with X-ray scattering, the scattering power of
neutrons does not scale with the number of electrons in an element, and
thus neutron scattering is more sensitive to light elements and is
powerful in distinguishing neighboring elements in the periodic table.
Moreover, since neutrons are highly penetrating, neutron scattering is
well suited for combining with sample environment cells (such as
pressure, temperature and magnetic field) for in-situ real-time studies.
Important areas of applications to geological problems include
high-pressure mineral physics (e.g., stability of hydrous minerals),
crystallography (e.g., ionic order/disorder and magnetic structures),
geochemistry (e.g., isotope fractionation and fluid-rock interactions in
a confined space), petrology (e.g., glass/melt structure and
microstructure of rocks) and structural geology (e.g., texture and
stress/strain analysis). The aim of this session is to provide an
interdisciplinary forum to promote discussions on the current state of
neutron scattering applications to a broad range of geological problems
(not limited to those described above). Submissions are also welcome
from beamline scientists to introduce instrumental capabilities and data
analysis methods to stimulate discussions on new applications.
 
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