Hyperspectral -XANES mapping in the diamond-anvil cell: Analytical procedure applied to the decomposition of (Mg,Fe)-ringwoodite at the upper/lower mantle boundary

High Pressure Research

Volumn 28, Issue 4, 2008, Pages 665-673

  Munoz, M ^a,b   Pascarelli, S ^b   Aquilanti, G ^b   Narygina, O ^c   Kurnosov, A ^c   Dubrovinsky, L ^c  

^a OBSERVATOIRE DE GRENOBLE   (France)

^b EUROPEAN SYNCHROTRON RADIATION FACILITY   (France)

^c UNIVERSITÄT BAYREUTH   (Germany)

Author keywords

DAC; Dispersive; Iron; Mapping; XANES

Indexed keywords

ABSORPTION; CONFORMAL MAPPING; DATA REDUCTION; DIAMONDS; DIGITAL INTEGRATED CIRCUITS; ELECTROMAGNETIC WAVE ABSORPTION; ENERGY ABSORPTION; IRON ANALYSIS; IRON COMPOUNDS; IRON RESEARCH; OPTICAL PROJECTORS; OXIDE MINERALS; PEROVSKITE; RESTORATION; SILICATE MINERALS; TOOLS; X RAY ABSORPTION; X RAY ANALYSIS; X RAY SPECTROSCOPY;

ANALYTICAL APPROACHES; ANALYTICAL PROCEDURES; ANVIL CELLS; AUTOMATIC NORMALIZATIONS; CHEMISTRY COMMUNITIES; COMPLEX MIXTURES; CONCENTRATION MAPS; CRYSTALLINE PHASIS; DAC; DISPERSIVE; EXTREME CONDITIONS; FERROPERICLASE; GEOSCIENCES; HYPERSPECTRAL; IN SITU STUDIES; LINEAR COMBINATIONS; MAP RECONSTRUCTIONS; MAPPING TECHNIQUES; PRESSURE AND TEMPERATURES; RINGWOODITE; XANES;

ABSORPTION SPECTROSCOPY;

EID: 57649202235     PISSN: 08957959     EISSN: 14772299     Source Type: Journal    
DOI: 10.1080/08957950802517625     Document Type: Conference Paper

References (12)

1. S. Pascarelli, O. Mathon, and G. Aquilanti, New opportunities for high pressure X-ray absorption spectroscopy using dispersive optics, J. Alloys Compd. 362 (2004), pp. 33-40.
2. S. Pascarelli, O. Mathon, M. Muñoz, T. Mairs and J. Susini, Energy-dispersive absorption spectroscopy for hard-X-ray micro-XAS applications, J. Synchrotron Radiat. 13 (2006), pp. 351-358.
3. M. Muñoz, V. De Andrade, O. Vidal, E. Lewin, S. Pascarelli, and J. Susini, Redox and speciation micro-mapping using dispersive X-ray absorption spectroscopy: application to iron in chlorite mineral of a metamorphic rock thin section, Geochem. Geophys. Geosyst. 7 (2006), p. Q11020.
4. 2+ mapping at the thin section scale and comparison with XANES mapping: application to a garnet-bearing metapelite from the Sambagawa metamorphic belt (Japan), J. Metamorph. Geol. 24 (2006), pp. 669-683.
5. M. Andréani, O. Grauby, A. Baronnet, and M. Muñoz, Occurrence, composition and growth of polyhedral serpentine, Eur. J. Mineral. 20 (2008), pp. 159-171.
6. G. Aquilanti, S. Pascarelli, M. Muñoz, O. Narygina, and L. Dubrovinsky, μ-XANES mapping in the diamond anvil cell: a new tool for Earth Sciences, J. Synch. Rad., submitted.
7. B.J. Wood, M.J. Walter, and J. Wade, Accretion of the earth and segregation of its core, Nature 441 (2006), pp. 825-833.
8. T. Katsura, H. Yamada, T. Shinmei, A. Kubo, S. Ono, M. Kanzaki, A. Yoneda, M.J. Walter, E. Ito, S. Urakawa, K. Funakoshi, and W. Utsumi, Post-spinel transition in Mg2SiO4 determined by high P-T in situ X-ray diffractometry, Phys. Earth. Planet. Inter. 136 (2003), pp. 11-24.
9. 4 and its relation to the 660-km seismic discontinuity, Nature 411 (2001), pp. 571-574.
10. 4 determined by in situ X-ray diffraction, Science 279 (1998), pp. 1698-1700.
11. 3 phase boundaries measured in the laser-heated diamond cell, Nature 41.1 (2001), pp. 574-577.
12. D. Andrault, Evaluation of (Mg,Fe) partitioning between silicate perovskite and magnesiowustite up to 120 GPa and 2300 K, J. Geophys. Res. 106 (2001), pp. 2079-2087.