Stratygraficzna zmienność zawartości oraz sposobu związania cynku w węglu z Górnośląskiego Zagłębia Węglowego

Authors

  • Henryk Parzentny Katedra Geochemii, Mineralogii i Petrografii Uniwersytetu Śląskiego ul Mielczarskiego 40, Sosnwiec
  • Anna Różkowska Polish Geological lnstitute, Upper Silesian Branch in Sosnowiec, ul. Królowej Jadwigi 1, 41-200 Sosnowiec

Abstract

Przedstawiono geochemiczne prawidłowości występowania cynku w węglu z Górnośląskiego Zagłębia Węglowego. Ustalono, że przeciętne wartości tego pierwiastka kształtują się na poziomie zbliżonym do najczęściej występujących wartości w węglach w skali świata oraz w odniesieniu do klarków litosfery i skał osadowych. W kierunku od utworów paralicznych do limnicznych zagłębia następuje wzrost zawartości cynku w węglu oraz jego zmienności. Pierwiastek ten w wysokim stopniu związany jest z substancją nieorganiczną węgla. Stopień ten maleje w kierunku od utworów starszych do najmłodszych. STRATIGRAPHIC V ARIA TIONS OF CONCENTRATION AND THE WAY OF BOUNDING OF ZINC IN COAL FROM THE UPPER SILESIAN COAL BASINCharacteristic tendencies of variations of zinc Occurrence in coal deposits from the Upper Silesian Coal Basin are presented in the paper. They are based on results of determination of zinc in coal ash carried out by the Upper Silesian Department of State Geological Institute. Information on samples analysed is contained in Tab. 1. Based on results obtained, the average value was evaluated and the value of the coefficient of variation was calculated (Tab. 2). By means of the functions of concentration distributions worked up by M. Marczak (1985), the relation of zinc to both organic and inorganic fraction of coal in particular stratigraphic secretion in the Basin is worked up (Tab. 3). The results obtained confirmed the known accordance in formation and chemical composition of coal from the Basin. Coal of samples analysed is characterized by the presence of zinc at the level nearing to the most frequent concentrations in coals in the world's scale and in the lithosphere and sedimentary rocks clarks (Tab. 4). Coal of paralic facies is characterized by tower concentration of zinc (in comparison 10 the limnic facies coal) and also by lower variability of concentration. Besides zinc in coal of this facies is much mOre connected with the inorganic part at higher degree.

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Published

2013-04-10

Issue

Vol. 33 No. 2 (1989)

Section

Articles

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