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http://cimav.repositorioinstitucional.mx/jspui/handle/1004/1777| SYNCHROTRON RADIATION STUDY OF ALTERATIONS OF SELENITE GIANT CRYSTALS FROM NAICA, MEXICO | |
| MARIA ELENA MONTERO CABRERA IVAN JALIL ANTON CARREÑO MARQUEZ ISAI CASTILLO SANDOVAL HILDA ESPERANZA ESPARZA PONCE LUIS EDMUNDO FUENTES COBAS | |
| Acceso Abierto | |
| Sin Derechos Reservados | |
| synchrotron radiation | |
| Located in Chihuahua State, at Naica mine, lay two famous caverns: The Cave of Swords, which was discovered in 1910 and praised as early as in the year 1927 by Foshag in American Mineralogist, and the Cave of Giant Crystals, which was found in the year 2000. The last referred cave contains the largest gypsum single crystals in the world and is, therefore, the focus of recent articles. In the frame of a multi-institutional project about the effects of human action, alterations of the crystal structure are detected and impurities on their surfaces are identified. We have performed experiments using petrography, electron microscopy, conventional X-ray diffraction and, principally, synchrotron radiation techniques: diffraction in both transmission (T-XRD) and gracing incidence (GI-XRD) modes, micro-X-ray fluorescence (?-XRF) and micro-X-ray absorption near edge structure (?-XANES). These experiments have been performed at the Stanford Synchrotron Radiation Lightsource (SSRL, USA), the ELETTRA Sincrotrone (Trieste, Italy) and at the European Synchrotron Radiation Facility (ESRF, Grenoble, France). | |
| 2017 | |
| Memoria de congreso | |
| Inglés | |
| OTRAS | |
| Versión revisada | |
| submittedVersion - Versión revisada | |
| Aparece en las colecciones: | Artículos de Congresos |
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| simE.6-abs005.pdf | 1.3 MB | Adobe PDF | Visualizar/Abrir |