A. Herring, OSU, uses tomography at 13 BMD to quantify pore scale trapping and to analyze how mechanisms affect the efficiency of capillary trapping of CO2 in saline aquifers.

Tomography at 13 BMD

Study in 'Science' finds missing piece of biogeochemical puzzle in aquifers using 13-ID-E's sulfur spectroscopy capabilities. Details in Argonne's press release

New paper in Science showcases the new sulfur capabilities at 13 IDE

High pressure x-ray tomographic microscopy module

The HPXTM module helps researchers study the texture change of their sample under extreme pressure and temperature conditions by collecting in-situ HP/HT 3D x-ray tomographic images.

High Pressure X-ray Tomographic Microscopy Module sitting outside of the 250 ton press in 13 BMD.

X-ray diffraction patterns from a diamond anvil cell (DAC).

X-ray diffraction is the most powerful technique for crystal structure determination. From left to right, patterns from a single crystal, polychrystalline, nano-cyrstalline and amorphous crystals.

X-ray diffraction patterns from a diamond anvil cell.

Peter Hong, Python Tomography Data Collection Project; Andrea Bryant, Determination of Cr, Ti, & V Valences in Olivine & Pyroxene from Ureilites; Catherine Eng, Design a Low Cost Inelastic X-ray Scattering Analyzer

GSECARS Summer Students 2014

GSECARS is a national user facility
for frontier research in the earth sciences using synchrotron radiation at the
Advanced Photon Source, Argonne National Laboratory.

GSECARS provides earth scientists with access to the high-brilliance hard x-rays from this third-generation synchrotron light source. All principal synchrotron-based analytical techniques in demand by earth scientists are being brought to bear on earth science problems:

  • High-pressure/high-temperature crystallography and spectroscopy using the diamond anvil cell
  • High-pressure/high-temperature crystallography and imaging using the large-volume press
  • Powder, single crystal and interface diffraction
  • Inelastic x-ray scattering
  • X-ray absorption fine structure spectroscopy
  • X-ray fluorescence microprobe analysis
  • Microtomography        

Workshops & Conferences

Synchrotron Environmental Science VI Conference

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September 11-12, 2014
Argonne National Laboratory
Conference Summary


Mineral Physics Planning Workshop
October 10-12, 2014
Argonne National Laboratory
Click for Information and Registration


Science Highlight

New research may explain how the oceans were created at the beginning of the Earth's formation.

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Northwestern University geophysicist Steve Jacobsen and University of New Mexico seismologist Brandon Schmandt with a team of researchers have  found evidence of a long-term H2O trap in the transition zone.  Click for details.

Figure above : Laboratory experiments on hydrous ringwoodite. (A) Single-crystal of hydrous ringwoodite (blue crystal) containing 1 wt% H2O inside a DAC at 30 GPa. The sample was laser heated to 1600 degrees C in several spots (orange circles) to perform direct transformation to perovskite and (Mg,Fe)O. Portions of this work conducted at The Advanced Photon Source, GSECARS, 13 IDD.

"Dehydration melting at the top of the lower mantle", B. Schmandt, S.D. Jacobsen, T.W. Becker, Z. Liu, K.G. Dueker, Science, 13 June 2014: 344 (6189), 1265-1268. [DOI:10.1126/science.1253358

 

 

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► New GSECARS DAC Lab

GSECARS recently dedicated a new lab for diamond anvil cell users.  The DAC Lab is located directly across from the GSECARS User Area. Users will find increased bench space, a horizontal laminar clean hood, microscopes, a portable glove box and an enclosed laser for cutting gaskets.  A new TopGun compressed nitrogen air gun is available as well. Click for details.

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