Výsledky vyhledávání - "[SDE.MCG.CPE] Environmental Sciences/Global Changes/domain

Zonation by ammonites and foraminifers of the Vraconnian-Turonian interval: A comparison of the Boreal and Tethyan domains (NW Europe / Central Tunisia)

Autor: Francis Amédro, Francis Robaszynski

Publikováno v: Carnets de Géologie, Vol CG2008, Iss L02, Pp 1-5 (2008)
Carnets de Geologie
Carnets de Geologie, Carnets de Geologie, 2008, CG2008 (L02), pp.1-5

International audience; Since the end of the 19th century the interval comprising the uppermost Upper Albian, the Cenomamian, the Turonian and the basal Coniacian has been subdivided, first into ammonite zones, then, beginning in the middle of the 20

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9928dbc45f0fba38aac14cc13cd7e23d
http://paleopolis.rediris.es/cg/CG2008_L02/index.html

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What olivine, the neglected mineral, tells us about kimberlite petrogenesis

Autor: Jean-Pierre Clément, D. Schissel, Nicholas Arndt, Michel Dubois, Anne-Marie Boullier

Publikováno v: eEarth
eEarth, 2006, 1, pp.15-21

International audience; We report here the results of a petrographic and geochemical study of remarkably well-preserved kimberlites from the Kangamiut region in Greenland. The samples contain between 5 and 45% of olivine in the form of rounded “nod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93d44e3be0f9b214af90f11fe1abd40c
https://doi.org/10.5194/ee-1-15-2006

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Numerical modeling of 1D transient poroelastic waves in the low-frequency range

Autor: Joël Piraux, Guillaume Chiavassa, Bruno Lombard

Publikováno v: Journal of Computational and Applied Mathematics
Journal of Computational and Applied Mathematics, Elsevier, 2010, 234, pp.1757-1765. ⟨10.1016/j.cam.2009.08.025⟩
Journal of Computational and Applied Mathematics, 2010, 234, pp.1757-1765. ⟨10.1016/j.cam.2009.08.025⟩

Propagation of transient mechanical waves in porous media is numerically investigated in 1D. The framework is the linear Biot's model with frequency-independant coefficients. The coexistence of a propagating fast wave and a diffusive slow wave makes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31fcef1c3ee18c6291701c35ef1737fd

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Hydrothermal synthesis and characterization of dioctahedral smectites: A montmorillonites series

Autor: Rémi Champallier, Fabrice Muller, Sébastien Lantenois, Jean-Michel Bény

Publikováno v: Applied Clay Science
Applied Clay Science, Elsevier, 2008, 38 (3-4), pp.165-178. ⟨10.1016/j.clay.2007.03.005⟩

The aim of this study is to synthesize and finely characterize montmorillonite samples, dioctahedral smectites without tetrahedral charges (structural formulae Na x (Al (2 − x ) Mg x )Si 4 O 10 (OH) 2 ), to allow their use as reference samples in c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2025fd411804397c4b17f2ce76c4896e
https://doi.org/10.1016/j.clay.2007.03.005

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Advanced characterization techniques for SiC and PyC coatings on high-temperature reactor fuel particles

Autor: Xavier Bourrat, O Dugne, D. Helary

Publikováno v: Journal of Nuclear Materials
Journal of Nuclear Materials, Elsevier, 2008, 373 (1-3), pp.150-156. ⟨10.1016/j.jnucmat.2007.05.041⟩
Journal of Nuclear Materials, 2008, 373 (1-3), pp.150-156. ⟨10.1016/j.jnucmat.2007.05.041⟩

International audience; Enhancing the safety of high-temperature reactors (HTRs) is based on the quality of the fuel particles, requiring good knowledge of the microstructure of the four-layer particles designed to retain the fission products during

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::658593b8466b40f7500772e514d745f1
https://doi.org/10.1016/j.jnucmat.2007.05.041

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Molecular fossils and other organic markers as palaeoenvironmental indicators of the Messinian Calcare di Base Formation: normal versus stressed marine deposition (Rossano Basin, northern Calabria, Italy)

Autor: Adelaide Mastandrea, Pascale Gautret, Fatima Laggoun-Défarge, Franco Russo, Jérémy Jacob, Adriano Guido

Publikováno v: Palaeogeography, Palaeoclimatology, Palaeoecology
Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier, 2007, 255 (3-4), pp.265-283. ⟨10.1016/j.palaeo.2007.07.015⟩

A multidisciplinary study has been carried out on the Late Miocene (Messinian) Calcare di Base Formation in northern Calabria, Italy, with the aim of understanding the depositional conditions of these enigmatic carbonate sediments that have been inte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc27f7be322866de74636c1b73075eff
https://doi.org/10.1016/j.palaeo.2007.07.015

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Fluid-mobile element budgets in serpentinized oceanic lithospheric mantle: Insights from B, As, Li, Pb, PGEs and Os isotopes in the Feather River Ophiolite, California

Autor: William P. Leeman, Zheng-Xue A. Li, Arnaud Agranier, Cin-Ty A. Lee

Publikováno v: Chemical Geology
Chemical Geology, Elsevier, 2007, 245 (3-4), pp.23-241. ⟨10.1016/j.chemgeo.2007.08.008⟩

International audience; Serpentinized oceanic lithosphere may be an important source for boron and other fluid-mobile elements that are anomalously enriched in arc volcanic rocks. However, the integrated water/rock ratios associated with different st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce0a37d9e4d1ef74e7903835b351cce7
https://doi.org/10.1016/j.chemgeo.2007.08.008

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A strong seismic velocity contrast in the shallow mantle across the Zagros collision zone (Iran)

Autor: Anne Paul, E. Bourova, Denis Hatzfeld, Helle Pedersen, Mohammad Mokhtari, Ayoub Kaviani

Publikováno v: Geophysical Journal International
Geophysical Journal International, Oxford University Press (OUP), 2007, 171, pp.399-410. ⟨10.1111/j.1365-246X.2007.03535.x⟩

International audience; Surface wave dispersion measurements are interpreted jointly with the inversion of teleseismic P-wave traveltime residuals along a dense 620-km long temporary seismic profile across the Zagros to investigate its upper-mantle s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bde88ede5cbe6f4bf89ff0e8ff99664
https://doi.org/10.1111/j.1365-246x.2007.03535.x

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Growth of stylolite teeth patterns depending on normal stress and finite compaction

Autor: Renaud Toussaint, Cees W. Passchier, Daniel Koehn, François Renard

Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, Elsevier, 2007, 257, pp.582-595. ⟨10.1016/j.epsl.2007.03.015⟩
Earth and Planetary Science Letters, 257, 582-595. Elsevier
Koehn, D, Renard, F, Toussaint, R & Passchier, C W 2007, ' Growth of stylolite teeth patterns depending on normal stress and finite compaction ', Earth and Planetary Science Letters, vol. 257, pp. 582-595 . https://doi.org/10.1016/j.epsl.2007.03.015

Stylolites are spectacular rough dissolution surfaces that are found in many rock types. They are formed during a slow irreversible deformation in sedimentary rocks and therefore participate to the dissipation of tectonic stresses in the Earth's uppe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a511375ade3dd32048dd51ea8fd427c
https://doi.org/10.1016/j.epsl.2007.03.015

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