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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F13%3A10173786%21RIV14-GA0-11310___
rdf:type
skos:Concept n18:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1016/j.coal.2012.09.008
dcterms:description
Numerous coalified tree stumps remained preserved in-situ in the so-called %22Stump Horizon%22 (the palaeontologic horizon No.31), which represents clayey overburden of the main coal seam in the Bilina open cast mine in the Most Basin (Czech Republic). The petrological and chemical composition, palaeobotanical origin and preservation of 24 selected tree stumps were studied by optical and scanning electron microscopy and gas chromatography-mass spectrometry (GC-MS). Composition of the fossil wood is dominated by ulminite, particularly texto-ulminite B. Textinite forms up to 38 vol.% in the decomposed tree stumps. Corpohuminite dominates in bark and root tissues. Partly gelified and deformed woody tissues contain both corpohuminite and resinite fillings. Random reflectance of ulminite ranges from 0.33% to 0.39% and carbon content from 49 wt.% to 78 wt.%. Samples represent pure woody material with small admixtures of clay minerals, siderite, and very rare pyrite. Observations by scanning electron microscopy revealed various levels of deformed secondary xylem with more or less swollen cell walls, conspicuous tracheids, uniseriate rays of a different height, and round or cylinder-like resin or corpohuminite bodies. According to our results and other published data the wood might belong to Glyptostroboxylon and Taxodioxylon genera that are supposed to belong to Glyptostrobus and Quasisequoia plants respectively, representatives of the coniferous family Cupressaceae. The biomarker composition in the extracts of the fossil wood includes sesquiterpenoids (alpha-cedrane, drimane, eudesmane), diterpenoids (abietane, fichtelite, 16 alpha(H)-phyllocladane) and their degraded compounds. The terpenoids are derived from precursors produced by the source plants and microorganisms. The terpenoid signatures support a relationship to the Cupressaceae family with input of microbial species. These characteristics were identical for all studied samples. Numerous coalified tree stumps remained preserved in-situ in the so-called %22Stump Horizon%22 (the palaeontologic horizon No.31), which represents clayey overburden of the main coal seam in the Bilina open cast mine in the Most Basin (Czech Republic). The petrological and chemical composition, palaeobotanical origin and preservation of 24 selected tree stumps were studied by optical and scanning electron microscopy and gas chromatography-mass spectrometry (GC-MS). Composition of the fossil wood is dominated by ulminite, particularly texto-ulminite B. Textinite forms up to 38 vol.% in the decomposed tree stumps. Corpohuminite dominates in bark and root tissues. Partly gelified and deformed woody tissues contain both corpohuminite and resinite fillings. Random reflectance of ulminite ranges from 0.33% to 0.39% and carbon content from 49 wt.% to 78 wt.%. Samples represent pure woody material with small admixtures of clay minerals, siderite, and very rare pyrite. Observations by scanning electron microscopy revealed various levels of deformed secondary xylem with more or less swollen cell walls, conspicuous tracheids, uniseriate rays of a different height, and round or cylinder-like resin or corpohuminite bodies. According to our results and other published data the wood might belong to Glyptostroboxylon and Taxodioxylon genera that are supposed to belong to Glyptostrobus and Quasisequoia plants respectively, representatives of the coniferous family Cupressaceae. The biomarker composition in the extracts of the fossil wood includes sesquiterpenoids (alpha-cedrane, drimane, eudesmane), diterpenoids (abietane, fichtelite, 16 alpha(H)-phyllocladane) and their degraded compounds. The terpenoids are derived from precursors produced by the source plants and microorganisms. The terpenoid signatures support a relationship to the Cupressaceae family with input of microbial species. These characteristics were identical for all studied samples.
dcterms:title
%22Stump Horizon%22 in the Bilina Mine (Most Basin, Czech Republic) - GC-MS, optical and electron microscopy in identification of wood biological origin %22Stump Horizon%22 in the Bilina Mine (Most Basin, Czech Republic) - GC-MS, optical and electron microscopy in identification of wood biological origin
skos:prefLabel
%22Stump Horizon%22 in the Bilina Mine (Most Basin, Czech Republic) - GC-MS, optical and electron microscopy in identification of wood biological origin %22Stump Horizon%22 in the Bilina Mine (Most Basin, Czech Republic) - GC-MS, optical and electron microscopy in identification of wood biological origin
skos:notation
RIV/00216208:11310/13:10173786!RIV14-GA0-11310___
n18:predkladatel
n19:orjk%3A11310
n3:aktivita
n12:Z n12:P n12:I
n3:aktivity
I, P(GA205/09/1162), Z(MSM0021620855)
n3:cisloPeriodika
březen
n3:dodaniDat
n6:2014
n3:domaciTvurceVysledku
n7:5475880 n7:9050086
n3:druhVysledku
n16:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
108831
n3:idVysledku
RIV/00216208:11310/13:10173786
n3:jazykVysledku
n22:eng
n3:klicovaSlova
Most Basin; Miocene; lignite; Cupressaceae s.l.; biomarkers; gelification; xylite
n3:klicoveSlovo
n4:gelification n4:biomarkers n4:Most%20Basin n4:xylite n4:lignite n4:Cupressaceae%20s.l. n4:Miocene
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[E6F969D3C7B1]
n3:nazevZdroje
International Journal of Coal Geology
n3:obor
n13:DB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
10
n3:projekt
n17:GA205%2F09%2F1162
n3:rokUplatneniVysledku
n6:2013
n3:svazekPeriodika
107
n3:tvurceVysledku
Blažek, Jaroslav Sýkorová, Ivana Žaloudková, Margit Mach, Karel Boudová, Jana Bechtel, Achim Sakala, Jakub Matysová, Petra Havelcová, Martina Trejtnarová, Hana
n3:wos
000316512600005
n3:zamer
n15:MSM0021620855
s:issn
0166-5162
s:numberOfPages
16
n9:doi
10.1016/j.coal.2012.09.008
n14:organizacniJednotka
11310