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Perspectives of application of quantitive television microscopy to earth sciences
Author(s) -
Pinault J. L.,
Prevosteau J. M.,
Williams D. G.
Publication year - 1972
Publication title -
journal of microscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0022-2720
DOI - 10.1111/j.1365-2818.1972.tb03735.x
Subject(s) - magnification , identification (biology) , sample (material) , microscope , point (geometry) , materials science , mineralogy , sample preparation , optics , computer science , geology , physics , chemistry , mathematics , geometry , chromatography , botany , biology
SUMMARY The quantitative application to earth sciences of the recent techniques of opto‐electronic methods has become possible not only thanks to new methods of sample preparation, to analysis at all levels of magnification, to progress in image analysis, but also to the mathematical formulation and evaluation of data. At the level of the light microscope (thin slice, polished section) this methodology is applicable to porous media, to powder granulometry, and to an analysis of metallic ores. As a special case, we have treated an example of the modal analysis of eight phases in an ore considered difficult from the point of view of identification and separation of the phases. At the macroscopic or geological level, we have tried to determine the hydraulic diameter of fissures and cracks, that is their orientation, working on a structural survey by simple application of stereological functions.