Petrological character of lignite (brown coal) from Badenian salts in the Bochnia Mine (Southern Poland)

• Autorzy: Wagner M. , Bukowski K. , Stochel B.
• Języki publikacji: EN

Abstrakty

EN

The salt deposit in Bochnia is located in the marginal zone of the Carpathian Foredeep. The salt succession, composed of rock salt deposits, with clay stone, mudstone and zuber interbeds was, in its original location, ca. 80 m thick. The carbonized organic material described herein occurs within three salt units: in the southern salts, in the middle salts, and in the northern salts. There are two petrographic forms of coal in the Bochnia rock salt succession: xylite and gelitic coal. Xylites are fragments of fossil wood. Externally, xylite demonstrates a fibrous texture, and can be splintered along the fissility with uneven transverse fractures. The fragments are strongly gelified and show a zonal structure: their internal parts are made of highly cracked textinite, although the external part of the xylite fragments is built of ulminite. The gelitic coal was found in the form of lenticles, formed exclusively of euulminite. Their main mineral components include metasideronatrite (Na₂₄₂

Słowa kluczowe

EN

Bochnia Salt Mine; Mio cene, pe trog ra phy of brown coal (ortholignite); rock salt

• Wydawca: Państwowy Instytut Geologiczny - Państwowy Instytut Badawczy
• Czasopismo: Geological Quarterly
• Rocznik: 2010
• Tom: Vol. 54, No 4
• Strony: 439--448
• Opis fizyczny: Bibliogr. 18 poz., rys., wykr.

Twórcy

autor

Wagner M.

autor

Bukowski K.

autor

Stochel B.

• Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, A. Mickiewicza 30, PL-30-059 Kraków,

Bibliografia

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