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Matrices of carbonaceous chondrites: Characterization by synchrotron IR microspectroscopy

Moroz, L. V. and Schmidt, M. and Schade, U. and Ivanova, M. A. (2008) Matrices of carbonaceous chondrites: Characterization by synchrotron IR microspectroscopy. In: Paneth Colloquium 2008, p. 11. Paneth Colloquium 2008, 2008-10-29 - 2008-10-31, Nördlingen (Germany).

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Official URL: http://www.cosmochemistry.org


Here we demonstrate the diagnostic potential of reflectance IR microspectroscopy for non-destructive characterization of matrices of carbona-ceous chondrites (CCs) in situ using conventional polished sections. Polished sections of Orgueil (CI1), Kainsaz (CO3), Efremovka (CV3), Mighei (CM2), Cold Bokkeveld (CM2), Murray (CM2), Isheyevo (CH-CBb), metamorphosed carbonaceous chondrites (MCCs) Dhofar 225, Dhofar 735, and NWA 4757 were used in this study. The IR spectra between 1.5 and 14 µm were acquired at the IRIS infrared beamline at the electron storage ring facility BESSY. We show that IR reflectance microspectro-scopy is a useful tool for characterization of CC matrix constituents in terms of their hydration states. It allows one to distinguish between various types of CC matrix materials, including hydrated, anhydrous and thermally metamorphosed. In particular, in Ish-eyevo (CH-CBb) we detected three different types of hydrated matrix lumps, none of which could be identified with a known CC group.

Item URL in elib:https://elib.dlr.de/58460/
Document Type:Conference or Workshop Item (Poster)
Additional Information:Abstract PC2008#038
Title:Matrices of carbonaceous chondrites: Characterization by synchrotron IR microspectroscopy
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schmidt, M.University of California, BerkeleyUNSPECIFIED
Ivanova, M. A. Vernadsky InstituteUNSPECIFIED
Date:October 2008
Journal or Publication Title:Paneth Colloquium 2008
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:p. 11
Keywords:microspectroscopy, infrared, synchrotron, meteorites
Event Title:Paneth Colloquium 2008
Event Location:Nördlingen (Germany)
Event Type:international Conference
Event Dates:2008-10-29 - 2008-10-31
Organizer: Forschungsinstitut und Naturmuseum Senckenberg, Frankfurt; Rieskratermuseum; DMG
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - no assignment (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Deposited By: Moroz, Dr. Liubov
Deposited On:25 Mar 2009
Last Modified:15 Jan 2010 01:15

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