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MINERAL CHARACTERISTICS OF CARBONATES WITH TRACE ELEMENTS. PART 1. CALCITES

YASUNORI MIURA - Inst. Earth Sciences, Graduate School of Science & Engineering, Yamaguchi University, Japan
TAKAO TANOSAKI - Central Research Lab., Taiheiyo Cement Co. Ltd., Sakura, Japan
OVIDIU GABRIEL IANCU - „Al. I. Cuza” University of Iaşi, Romania, Department of Geology

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Abstract:

Carbonate formation are discussed from all published mineral compositions and the X-ray fluorescence (XRF) analyses with contents of carbon and other foreign elements. New formation of metamorphic calcite minerals are discussed by these elements with the XRF data of present sea-shells, transparent calcite crystal and aragonite, and coloured calcites (grey, red and green) and marble-stones of European and Middle-East countries used for wall-stones. Mineral characteristics of these foreign elements of Na, Mg, Al, Si, P, S, Cl, K and Fe, replaced in Ca and C, in calcite-carbonates are considered to be new indicator of these formations at their circumstances (such as sea-floor or sea-surface, rocks of plate-tectonics or meteoritic metamorphism at the crustal rocks).



Keywords:

carbonates, calcite, marble-stones, carbon, trace elements, XRF analyses



  
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