Electron probe microanalysis of SiO2-coated minerals: Subsurface phases in quartz |
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Authors: | Pieter Maaskant |
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Institution: | (1) Instituut voor Aardwetenschappen, Vrije Universiteit, de Boelelaan 1085, NL-1081 HV Amsterdam, The Netherlands |
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Abstract: | Crystal fragments of biotite, garnet, and spinel were mounted together in one block which afterwards was sawn into several pieces; each piece was coated with SiO2 of varying thickness, up to 7.9m. Electron probe microanalysis was carried out at various accelerating voltages of the major elements present, using the non-SiO2-coated minerals as reference standard.Calibration curves, depth below the surface versus ratios of X-ray yields, have been established with the ultimate goal to use them for a (semi)-quantification of elements present in subsurface phases in quartz, a common host mineral in rocks. |
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Keywords: | electron probe microanalysis fluid inclusions daughter minerals quartz |
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