Výsledky vyhledávání - "Alain Le Hérissé"

Pragian–Emsian palynomorphs from the Cordobés Formation, Norte Basin, Uruguay: stratigraphically restricted and regionally correlative palynological events in the cool-water Malvinokaffric Realm

Autor: Gloria Daners, Pierre Breuer, Alain Le Hérissé, Gerardo Veroslavsky

Publikováno v: Palynology
Palynology, Taylor & Francis, 2017, 41 (sup1), pp.121-137. ⟨10.1080/01916122.2017.1366115⟩

Palynological analyses of core samples from Achar E1 well (Norte Basin, Uruguay), yield abundant well-preserved Lower Devonian assemblages. Four new acritarch species (Bimerga acharii, Bimerga nuda, Polyplanifer turbatum and Veryachium woodii) are de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0accd5173b39191cb37a9012d368d60a
https://doi.org/10.1080/01916122.2017.1366115

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A distinctive marginal marine palynological assemblage from the Přídolí of northwestern Saudi Arabia

Autor: Alain Le Hérissé, Jacques Verniers, Sa’id Al-Hajri, Pierre Breuer, Philippe Steemans, Florentin Paris, Charles H. Wellman

Publikováno v: Revue de Micropaléontologie
Revue de Micropaléontologie, Elsevier Masson, 2017, 60 (3), pp.371-402. ⟨10.1016/j.revmic.2017.02.002⟩
Revue de Micropaléontologie, 2017, 60 (3), pp.371-402. ⟨10.1016/j.revmic.2017.02.002⟩

A rare occurrence of a rich and diverse palynological assemblage from the Tawil Formation is described from well JLMD-EW-8 in northwestern Saudi Arabia. The composition of this assemblage strongly indicates a middle Přídolí age. The assemblage enc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d2a8babbe67a0855fe149ba19393869
https://doi.org/10.1016/j.revmic.2017.02.002

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Putative Late Ordovician land plants

Autor: Florentin Paris, Philippe Steemans, Robert Niedźwiedzki, Przemysław Gorzelak, Philippe Gerrienne, Paweł Filipiak, Alain Le Hérissé, Wiesław Trela, Tomasz Brachaniec, Borja Cascales-Miñana, Mariusz A. Salamon, Magdalena Misz-Kennan

Publikováno v: New Phytologist
New Phytologist, Wiley, 2018, 218 (4), pp.1305-1309. ⟨10.1111/nph.15091⟩
New Phytologist, 2018, 218 (4), pp.1305-1309. ⟨10.1111/nph.15091⟩

International audience; The colonization of early terrestrial ecosystems by embryophytes (i.e. land plants) irreversibly changed global biogeochemical cycles (Berner & Kothavala, 2001; Berner et al., 2007; Song et al., 2012). However, when and how th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d6934ed7a4032a3609cac979370f64a
https://hal.univ-brest.fr/hal-01910099

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Palynologie et environnements des sédiments du Dévonien de Saïda (Algérie nord occidentale)

Autor: Philippe Steemans, Frédéric Boulvain, Alain Le Hérissé, Mohammed Bougara

Publikováno v: Carnets de géologie (Notebooks on geology)
Carnets de géologie (Notebooks on geology), 2017, 17 (10), ⟨10.4267/2042/64285⟩
Carnets De Geologie (1634-0744) (Carnets Geologie), 2017-12, Vol. 17, N. 10, P. 191-219

Palynological interpretations of both spores and acritarchs from the Devonian Tiffrit Formation located in Saida (North-Western Algeria) support identical conclusions. Species of spores and acritarches that appear in the upper layers of the younger r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45abd5a660ad90b9bdb9b35f8ff47bbb
https://doi.org/10.4267/2042/64285

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The earliest wood and its hydraulic properties documented inc. 407-million-year-old fossils using synchrotron microtomography

Autor: Paul Kenrick, Eric Badel, Christine Strullu-Derrien, Alain Le Hérissé, Jean-Louis Bonnemain, Hervé Cochard, Paul Tafforeau, Hubert Lardeux

Publikováno v: Botanical Journal of the Linnean Society. 175:423-437

We document xylem structure and hydraulic properties in the earliest woody plant Armoricaphyton chateaupannense gen. nov. & sp. nov. based on c. 407-million-year-old fossils from the Armorican Massif, western France. The plant was small, and the wood

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f6bfe5e82707ca91976d780eb70f176
https://doi.org/10.1111/boj.12175

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FTIR characterisation of the chemical composition of Silurian miospores (cryptospores and trilete spores) from Gotland, Sweden

Autor: Kevin Lepot, Philippe Steemans, Craig P. Marshall, Alain Le Hérissé, Emmanuelle Javaux

Publikováno v: Review of Palaeobotany and Palynology
Review of Palaeobotany and Palynology, Elsevier, 2010, 162 (4), pp.577-590. ⟨10.1016/j.revpalbo.2010.07.006⟩

International audience; To better understand the biological affinities of cryptospores, micro-FTIR (Fourier transform infrared) spectroscopy analysis has been carried out on isolated specimens from the Upper Silurian of Gotland. The geobiochemical re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7165824be7694a6aea3b07480708789e
https://doi.org/10.1016/j.revpalbo.2010.07.006

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The early land plants from the Armorican Massif: sedimentological and palynological considerations on age and environment

Autor: D. G. Strullu, Alain Le Hérissé, Christine Strullu-Derrien, Céline Ducassou, Cécile Robin, Marie-Pierre Dabard, Philippe Steemans, Michel Ballèvre, Philippe Gerrienne, Hubert Lardeux

Publikováno v: Geological Magazine
Geological Magazine, Cambridge University Press (CUP), 2010, 147 (6), pp.830-843. ⟨10.1017/S001675681000004X⟩
Geological Magazine, 2010, 147 (6), pp.830-843. ⟨10.1017/S001675681000004X⟩

The Châteaupanne Unit belongs to the South Armorican domain of the Armorican Massif (France), which is part of the Variscan belt. This unit includes two Lower Devonian plant levels and one of them corresponds to the Basal Member of the Chalonnes For

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcbcf0ba1145110e9ba51e2f2bdfe3e0
https://doi.org/10.1017/s001675681000004x

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Global patterns of organic‐walled phytoplankton biodiversity during the late Silurian to earliest Devonian

Autor: Gary L. Mullins, Ken J. Dorning, Reed Wicander, Alain Le Hérissé

Publikováno v: Palynology
Palynology, Taylor & Francis, 2009, 33, pp.25-75

Numerous environmental factors as well as oceanic circulation patterns and geographic constraints all contribute to the abundance, distribution, and diversity of present-day marine phytoplankton assemblages. These same factors presumably affected the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fd78a34ca49ddcf1439e690864ad02b
https://doi.org/10.1080/01916122.2009.9989665

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Environmental changes reflected by palynomorphs in the early Middle Ordovician Hanadir Member of the Qasim Formation, Saudi Arabia

Autor: Marco Vecoli, Alain Le Hérissé, Merrell A. Miller, Mansour Al-Ruwaili

Publikováno v: Revue de Micropaléontologie. 50:3-16

Core samples from the QASIM-801 (QSIM-801) water well in the Qasim Region of central Saudi Arabia were investigated palynologically. The interval studied contains the transgressive succession from the Sajir Member of the Saq Formation to the Hanadir

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4533522a49c0767fa9795413de240dd
https://doi.org/10.1016/j.revmic.2007.01.010

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