Charakterystyka petrograficzno-mineralogiczna utworów najwyższego karbonu w Płazie koło Chrzanowa

Maria Krysowska, Teofila Piłat, Wanda Wrochniak-Stopka

Abstract


MINERALOGICAL-PETROGRAPHICAL CHARACTERISTIC OF THE SEDIMENTS OF THE HIGHEST CARBONIFEROUS AT PŁAZA NEAR CHRZANÓW (CRACOW REGION)

The vertical section of the sediments of the highest carboniferous at Płaza near Chrzanów is the first profile which, in the eastern part of the Upper Silesian Coal Basin, made accessible, the contact between the Libiąż beds and the Kwaczała arkose, and made possible the observation of about 200 m. of the series of these sediments.

The microscopic analyses of thin sections disclosed that, in the mineral composition of the discussed sediments, there repeats itself an almost identical assemblage of minerals in varying quantitative proportions. This assemblage consists of: quartz, chalcedony, orthoclase, microcline, perthite, micas; pyrite, iron oxides, carbonates, accessory minerals, rock fragments, and cement.


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