National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Composition and properties of organic matter in freshwater clays of the lower Cenomanian ( Peruc Mbrs ) from the slope of Litice Chlum in Zamel , East Bohemia
Martinec, Petr ; Sýkorová, Ivana ; Havelcová, Martina ; Trejtnarová, Hana ; Šulc, Alexandr ; Kubina, Lukáš
The new finding of coal bearing kaolinite claystone in the Peruc Mbr occurring at the western hillside of Litice Chlum Hill in Zamel near Potstejn has contributed to expanding our knowledge of Czech Republic‘s Lower Cenomanian sediments. The petrographic and chemical investigation was focused on elucidating the composition of the fine-grained sediment and the origin of the organic matter present therein. However, the forms of organic matter preserved in the claystones bring evidence of the existence of an overlay of plant origin of which the residues may have been carried by water and wind to the vicinity of Lower Cenomanian riverbeds. The greater abundance of inertinite macerals coupled with the presence of semicoke representing the remains of incomplete combustion occurring during wildfires also documents the occurrence of polycyclic aromatic hydrocarbons and the distribution of n-alkanes exhibiting an unusual maximum.
Fulltext: content.csg - Download fulltextDOC
Plný tet: UGN_0398222 - Download fulltextDOC
Carbon particles in mine-stone dumps after bituminous coals mining
Sýkorová, Ivana ; Havelcová, Martina ; Klika, Z. ; Trejtnarová, Hana ; Fojtíková, M. ; Šulc, Alexandr
The influence of heating on optical properties and morphology of organic matter was studied in mine-stone dumps in three districts in the Czech Republic.

Interested in being notified about new results for this query?
Subscribe to the RSS feed.