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Resultats globals: 7 registres trobats en 0.02 segons.
Articles, 7 registres trobats
Articles 7 registres trobats  
1.
16 p, 19.0 MB Devonian-Mississippian faulting controlled by WNW-ESE-striking structural grain in Proterozoic basement rocks in Billefjorden, central Spitsbergen / Koehl, Jean-Baptiste P. (University of Oslo) ; Christophersen, Gard (Halliburton (Noruega)) ; Collombin, Maxime (Altis Groupe (Suïssa)) ; Taule, Christoffer (Multiconsult Norge) ; Stokmo, Eirik M.B. (Franzefoss Mineral ((Noruega)) ; Allaart, Lis (Århus University. Department of Biology-Microbiology)
In Billefjorden, central Spitsbergen, Devonian collapse and Carboniferous rift-related sedimentary strata were deposited unconformably over Proterozoic basement rocks displaying well developed N-S-trending Caledonian grain. [...]
2023 - 10.1344/GeologicaActa2023.21.7
Geologica acta, Vol. 21 (2023) , p. 1-16 (Articles)  
Registre complet - Creative Commons
2.
5 p, 2.3 MB Organic-walled tentaculids of Late Devonian (Frasnian) deposits of the Appalachian and Michigan Basins, Laurussia (NY, MI, OH) / Meehan, Kimberly C. (University at Buffalo (Estats Units)) ; Boyle, James T. (Buffalo Museum of Science (Estats Units))
This is the first report of organic-walled tentaculid remains from Givetian through Frasnian age deposits of the Michigan and Appalachian Basins in western Laurussia. This adds to the geographic scope of similar finds that have been described from the Frasnian through the Famennian in eastern Laurussia. [...]
2022 - 10.1344/GeologicaActa2022.20.10
Geologica acta, Vol. 20 (2022) , p. 1-5 (Short note)  
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3.
17 p, 10.2 MB Early-Middle Frasnian (Late Devonian) carbon isotope Event in the Timan-Pechora Basin (Chernyshev Swell, Pymvashor River section, North Cis-Urals, Russia) / Kotik, Ivan S. (Institute of Geology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences) ; Zhuravlev, Andrey V. (Institute of Geology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences) ; Maydl, Tatiana V. (Institute of Geology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences) ; Bushnev, Dmitriy A. (Institute of Geology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences) ; Smoleva, Irina V. (Institute of Geology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences)
Biostratigraphically constrained carbonate (δ13Ccarb) and organic carbon (δ13Corg) variations in the Early-Middle Frasnian boundary interval in the Pymvashor River section (Timan-Pechora Basin, Cis-Urals, in the far north of European Russia) were considered. [...]
2021 - 10.1344/GeologicaActa2021.19.3
Geologica acta, Vol. 19 (2021) , p. 1-17 (Articles)  
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4.
18 p, 1.7 MB Palynological age constraint of Les Vilelles unit, Catalan Coastal Chain, Spain / González, F. (Universidad de Huelva. Departamento de Ciencias de la Tierra) ; Moreno Garrido, María Carmen (Universidad de Huelva. Departamento de Ciencias de la Tierra) ; Melgarejo Draper, Joan Carles (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Sáez, R. (Universidad de Huelva. Departamento de Ciencias de la Tierra)
Les Vilelles unit is a detrital sequence exposed at the southwestern margin of the Catalan Coastal Chain (CCC), NE Spain, below the Carboniferous turbiditic series. Based on the palynological content, the age of this unit was initially assigned to the Middle-Late Devonian (Eifelian to Famennian). [...]
2015 - 10.1344/GeologicaActa2015.13.4.7
Geologica acta, Vol. 13 Núm. 4 (December 2015) , p. 345-362 (Articles)  
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5.
11 p, 1.2 MB A new Devonian asteroid-like ophiuroid from Spain / Blake, D. B. (University of Illinois. Department of Geology) ; Zamora, S. (Instituto Geológico y Minero de España) ; García-Alcalde, J. L. (Universidad de Oviedo. Departamento de Geología)
A Lochkovian (Early Devonian) ophiuroid (Echinodermata), Ophiocantabria elegans n. gen. and sp. , is based on a single small, well-preserved specimen collected from a shale-rich horizon of the Furada Formation, Asturias, Spain. [...]
2015 - 10.1344/GeologicaActa2015.13.4.6
Geologica acta, Vol. 13 Núm. 4 (December 2015) , p. 335-344 (Articles)  
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6.
23 p, 18.0 MB Earliest Pragian (Early Devonian) corals and stromatoporoids from reefal settings in the Cantabrian Zone (N Spain) / Fernández-Martínez, E. (University of Léon. Faculty of Biology and Environmental Sciences) ; Fernández, L. P. (University of Oviedo. Department of Geology) ; Méndez-Bedia, I. (University of Oviedo. Department of Geology) ; Soto, F. (University of Oviedo. Department of Geology) ; Mistiaen, B. (Université Catholique de Lille. Laboratoire de Paléontologie stratigraphique)
The oldest reefal episode in the Cantabrian Zone (earliest Pragian) consists of small biostromal patch reefs, mainly built by corals and stromatoporoids, and developed on a storm-dominated ramp. Four outcrops provide the stratigraphic framework in which these reef facies developed, and these permitted an interpretation of their depositional setting in terms of a relatively distal or protected shelf. [...]
2010 - 10.1344/105.000001535
Geologica acta, Vol. 8, Núm. 3 (Setembre 2010) , p. 301-323  
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7.
29 p, 7.7 MB Devonian palynological assemblages from the San Antonio x-1 Borehole, Tarija Basin, northwestern Argentina / Noetinger, S. (Universidad de Buenos Aires. Departamento de Ecología, Genética y Evolución) ; Di Pasquo, Mercedes (Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina). CICyTTP)
The palynological analysis of the 2548-3628 m interval of the San Antonio x-1 Borehole in northwestern Argentina is presented. The illustrated palynoflora is composed of 96 species represented by diverse palynological groups such as trilete spores and cryptospores (46 species), microplankton (39 species), chitinozoans (7 species), scolecodonts, and some remaining specimens in open nomenclature and as incertae sedis. [...]
2011 - 10.1344/105.000001693
Geologica acta, Vol. 9, Núm. 2 (Juny 2011) , p. 199-216  
Registre complet - Creative Commons

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