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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
The Use of Back-Scattered Electron Imaging for the Petrographic Study of Sandstones and Shales
S. H. White, H. F. Shaw, J. M. Huggett (2)
ABSTRACT
In this paper, the imaging of mineral grains in sedimentary rocks by atomic-number contrast using back-scattered electrons (BSE) in the SEM is discussed. The analyses of polished thin sections of a sandstone and a shale are used to illustrate the technique and particularly to demonstrate its usefulness in petrographic studies of fine-grained sedimentary rocks. The coupling of energy or wavelength-dispersive X-ray elemental analysis to atomic-number contrast allows minerals to be readily identified and paves the way for detailed geochemical and mineral crystallochemical studies of fine-grained sediments.
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