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ultralaminae

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Journal Article
Published: 01 October 2008
Journal of Sedimentary Research (2008) 78 (10): 654–667.
... components. So far, ultralaminae have been considered as remains of microalgal cell walls on the basis of microscopic and organic geochemical similarities between fossil kerogen and recent algae. This high-resolution microscopic study focuses on organic matter (OM) from different fossil environments, i.e...
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Summary of the main characteristics shown by the form types of <span class="search-highlight">ultralaminae</span>...
Published: 01 October 2008
Table 1 Summary of the main characteristics shown by the form types of ultralaminae distinguished in fossil OM.
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Degradation level of different <span class="search-highlight">ultralaminae</span> types with respect to degree of...
Published: 01 October 2008
Figure 14 Degradation level of different ultralaminae types with respect to degree of OM degradation and dominant OM preservation pathway.
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TEM sections showing other classes of <span class="search-highlight">ultralaminae</span>:  A)  contorted layers i...
Published: 01 October 2008
Figure 13 TEM sections showing other classes of ultralaminae: A) contorted layers in the Hassi Jerbi microbial mat after acid etching; B, C) stacked filamentous bodies surrounded by a typical layer in the Urbino level. See text for description.
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TEM sections of organic matter after acid etching from (a–c) Unit I in the ...
Published: 02 March 2015
Figure 6. TEM sections of organic matter after acid etching from (a–c) Unit I in the greyish layer (3.2–4 cm) and (d–f) Unit IV in the dark greyish layer (88–90 cm) showing: (a) ultralaminae as bacterial cell walls (arrows) and EPS (dashed arrows); (b) bacterial
Journal Article
Published: 01 June 1998
Journal of the Geological Society (1998) 155 (3): 453–462.
... 329 337 Derrene S. Largeau C. Casadevall E. Raynaud J.F. Berkaloff C. Rousseau B. Chemical evidence of kerogen formation in source rocks and oil shales via selective preservation of thin resistant outer walls of microalgae: Origin of ultralaminae Geochimica et...
Journal Article
Published: 02 March 2015
Geological Magazine (2015) 152 (5): 902–922.
...Figure 6. TEM sections of organic matter after acid etching from (a–c) Unit I in the greyish layer (3.2–4 cm) and (d–f) Unit IV in the dark greyish layer (88–90 cm) showing: (a) ultralaminae as bacterial cell walls (arrows) and EPS (dashed arrows); (b) bacterial...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 2005
AAPG Bulletin (2005) 89 (9): 1239–1244.
... with ultralaminae in lacustrine kerogens; species- and environment-dependent variations in the composition of fossil ultralaminae : Organic Geochemistry , v. 18 , p. 417 – 422 . Derenne , S. , P. Metzger , C. Largeau , P. F. van Bergen , J. P. Gatellier , J. S. Sinninghe Damsté...
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Journal Article
Journal: Geology
Published: 01 June 2000
Geology (2000) 28 (6): 559–562.
.... , Largeau , C. , Casadevall , E. , Raynaud , J.F. , Berkaloff , C. , and Rousseau , B. , 1991 , Chemical evidence of kerogen formation in source rocks and oil shales via selective preservation of thin resistant outer walls of microalgae: Origin of ultralaminae : Geochimica et...
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Journal Article
Journal: Palynology
Published: 01 January 2009
Palynology (2009) 33 (1): 101–112.
... as ultralaminae ( Hatcher et al., 1983 ; Largeau et al., 1986 ; Goth et al., 1988 ; Tegelaar et al., 1989 ). By contrast, dinoflagellates produce a different biomacromolecule, termed dinosporin to distinguish it from sporopollenin ( Sarjeant, 1986 ). Studies by Kokinos (1994) and Kokinos et al. (1998...
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Journal Article
Published: 01 November 2014
Journal of Sedimentary Research (2014) 84 (11): 961–974.
.... 177 – 200 . Pacton M. 2008 . Unraveling the origin of ultralaminae in sedimentary organic matter: the contribution of bacteria and photosynthetic organisms : Journal of Sedimentary Research , v. 78 , p. 654...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 2004
AAPG Bulletin (2004) 88 (5): 587–611.
.... Rousseau , 1991 , Chemical evidence of kerogen formation in source rocks and oil shales via selective preservation of thin resistant outer walls of microalgae: Origin of ultralaminae : Geochimica et Cosmochimica Acta , v. 55 , p. 1041 – 1050 . Derenne , S. , P. Metzger , C. Largeau...
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Journal Article
Published: 13 November 2017
Bulletin de la Société Géologique de France (2017) 188 (5): 31.
... . Derenne S , Largeau C , Casadevall E , Berkaloff C , Rousseau B. 1991 . Chemical evidence of kerogen formation in source rocks and oil shales via selective preservation of thin resistant outer walls of microalgae: origin of ultralaminae . Geochimica et...
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Journal Article
Published: 01 March 2010
Journal of Paleontology (2010) 84 (2): 216–230.
... and Nanochlorum eucaryotum : Phytochemistry , 31 . 1923 – 1929 . Derenne , S. , le Berre , F. , Largeau , C. , Hatcher , P. , Connan , J. , and Raynaud , J. F. , 1992b , Formation of ultralaminae in marine kerogens via selective preservation of thin resistant outer walls...
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Journal Article
Published: 01 January 2005
Reviews in Mineralogy and Geochemistry (2005) 59 (1): 233–258.
... selective preservation of thin resistant outer walls of microalgae: origin of ultralaminae . Geochim Cosmochim Acta 55 : 1041 – 1050 Elvert M , Suess E , Greinert J , Whiticar MJ ( 2000 ) Archaea mediating anaerobic methane oxidation in deep-sea sediments at cold seeps...
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Journal Article
Published: 01 January 2001
Reviews in Mineralogy and Geochemistry (2001) 43 (1): 579–605.
... outer walls of microalgae: origin of ultralaminae . Geochim Cosmochim Acta 55 : 1041 – 1050 Dickens GR , Castillo MM , Walker JGC ( 1997 ) A blast of gas from the latest Paleocene: Simulating first-order effects of massive dissociation of oceanic methane hydrate . Geology...
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Journal Article
Published: 18 February 2021
Geological Magazine (2022) 159 (7): 1050–1070.
... JF ( 1992 b) Formation of ultralaminae in marine kerogens via selective preservation of thin resistant outer walls of microalgae . Organic Geochemistry 19 , 345 –50. Donoghue PCJ...
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Journal Article
Journal: Palynology
Published: 01 June 2011
Palynology (2011) 35 (1): 103–145.
.... , Le Berre F. , Largeau C. , Hatcher P. , Connan J. , Raynaud J.F. 1992b . Formation of ultralaminae in marine kerogens via selective preservation of thin resistant outer walls of microalgae . Organic Geochemistry , 19 : 345 – 350 . Derenne S. , Largeau C...
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Journal Article
Journal: Palynology
Published: 03 April 2018
Palynology (2018) 42 (2): 220–254.
... and Nanochlorum eucaryotum . Phytochemistry 31 : 1923 – 1929 . Derenne S , Le Berre F , Largeau C , Hatcher P , Connan J , Raynaud JF . 1992b . Formation of ultralaminae in marine kerogens via selective preservation of thin resistant outer walls of microalgae . Organic...
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Journal Article
Journal: Palynology
Published: 01 March 2016
Palynology (2016) 40 (1): 83–121.
...-hydrolysable macromolecular constituents from outer walls of Chlorella fusca and Nanochlorum eucaryotum . Phytochemistry 31 : 1923 – 1929 . Derenne S Le Berre F Largeau C Hatcher P Connan J Raynaud JF . 1992b . Formation of ultralaminae in marine kerogens via selective...
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