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Título

Micro-Raman spectroscopic study of El Gasco pumice, western Spain

AutorRull, Fernando ; Martínez-Frías, J.; Rodríguez-Losada, José A.
Palabras claveEl Gasco pumice
Micro-Raman
Ferroan ringwoodite
Shocked minerals
Fecha de publicaciónfeb-2007
EditorJohn Wiley & Sons
CitaciónJournal of Raman Spectroscopy 38(2): 239-244 (2007)
ResumenA micro-Raman spectroscopic study of pumice materials from El Gasco (Sierra de Gata, Spain) has been performed for the first time. The obtained spectra allow the precise identification of the minerals, quartz, haematite, magnetite, ilmenite, rutile and anatase, in general agreement with results obtained by complementary techniques of X-Ray Diffraction (XRD) and Electron Microprobe. Also, fayalite and ferroan ringwoodite have been identified. The presence of high-pressure polymorphs indicates that the pumice rocks were subjected to high-pressure conditions quite similar to those observed in shock-induced molten and recrystallised materials, such as some meteorites and impact-related rocks.
Descripción6 pages, 6 figures.-- ISI Article Identifier: 000244972300015.-- Available online Nov 1, 2006.
Versión del editorhttp://dx.doi.org/10.1002/jrs.1628
URIhttp://hdl.handle.net/10261/13418
DOI10.1002/jrs.1628
ISSN0377-0486
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