Laser Induced Breakdown Spectroscopy applications to meteorites: Chemical analysis and composition profiles

A fast procedure for chemical analysis of different meteorites is presented, based on LIBS (Laser Induced Breakdown Spectroscopy). The technique is applied to several test cases (Dhofar 019, Dhofar 461, Sahara 98222, Toluca, Sikhote Alin and Campo del Cielo) and can be useful for rapid meteorite ide...

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Bibliographic Details
Published in:Geochimica et cosmochimica acta 2010-12, Vol.74 (24), p.7329-7339
Main Authors: Dell’Aglio, M., De Giacomo, A., Gaudiuso, R., Pascale, O. De, Senesi, G.S., Longo, S.
Format: Article
Language:English
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Summary:A fast procedure for chemical analysis of different meteorites is presented, based on LIBS (Laser Induced Breakdown Spectroscopy). The technique is applied to several test cases (Dhofar 019, Dhofar 461, Sahara 98222, Toluca, Sikhote Alin and Campo del Cielo) and can be useful for rapid meteorite identification providing geologists with specific chemical information for meteorite classification. Concentration profiles of Fe, Ni and Co are simultaneously detected across the Widmanstätten structure of the iron meteorite Toluca with a view to determining cooling rates. The LIBS analysis of meteorites is also used as a laboratory test for analogous studies on the respective parent bodies (Mars, asteroids) in space exploration missions where one clear advantage of the proposed technique is that no direct contact with the sample is required.
ISSN:0016-7037
1872-9533
DOI:10.1016/j.gca.2010.09.018