Petrographic Characteristics of Neogene Lignites from the Ptolemais and Servia Basins , Northern Greece

Content Provider	Semantic Scholar
Author	Georgakopoulos, Andreas
Copyright Year	2001
Abstract	In this study the petrographic analysis results of Ptolemais and Servia Neogene lignites, Northern Greece, are presented. The geological position, lithotype, and maceral content of these lignites, as well as some chemical parameters and changes in the reflection of different macerals, are described. The interdependence between maceral content and environmental conditions in the process of peat formation is traced. Petrographic analysis shows that coals are represented by different kinds of lignites from dark brown to black, sem ibright lignites, consisting mainly of the coal lithotype humoclarain, rare strips and bands of bright humovitrain, and dull humodurain. The sample from the Lava deposit in the Serv ia Basin is composed of grayish to black, dark humoclarain. The predom inance of humodetrinite macerals ( ) densinite and attrinite and the low contents of inertinite show that the lignites in the Ptolemais and Serv ia Basins are formed in limno-telmatic conditions and in different m ire types, being sim ilar to herbaceous swamp, fen, or marsh.
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Alternate Webpage(s)	http://users.auth.gr/~ageorgak/H11.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article