Search Results - "Lancelot, Joël"
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Pb Isotopic Composition of Airborne Particulate Material from France and the Southern United Kingdom: Implications for Pb Pollution Sources in Urban Areas
Published in Environmental science & technology (01-08-1997)“…Pb isotopic studies of airborne particulate matter, incinerator ash, and gasoline have been carried out to determine sources of Pb pollution in urban areas…”
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Origin of groundwater salinity (current seawater vs. saline deep water) in a coastal karst aquifer based on Sr and Cl isotopes. Case study of the La Clape massif (southern France)
Published in Applied geochemistry (01-10-2013)“…•Increase in salinity of studied groundwater is due to a rise of deep saline water.•No evidence of seawater intrusion, most likely due to thick offshore…”
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Coupling geochemical tracers and pesticides to determine recharge origins of a shallow alluvial aquifer: Case study of the Vistrenque hydrogeosystem (SE France)
Published in Applied geochemistry (01-05-2015)“…•Sr isotopes are used to highlight the karst water lateral input as well as the direct recharge in the alluvial aquifer.•The imported water and stream water…”
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High 36Cl/Cl ratios in Chernobyl groundwater
Published in Journal of environmental radioactivity (01-12-2014)“…After the explosion of the Chernobyl Nuclear Power Plant in April 1986, contaminated material was buried in shallow trenches within the exclusion zone. A 90Sr…”
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Dissolution kinetics of basaltic glasses: control by solution chemistry and protective effect of the alteration film
Published in Chemical geology (01-07-2001)“…Basaltic glasses are considered as natural analogs for industrial nuclear aluminoborosilicate glasses. Alteration experiments were conducted in closed and open…”
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Tracing the origin of water and solute transfers in deep groundwater from Oxfordian, Dogger and Trias formations in the east of the Paris Basin – France
Published in Physics and chemistry of the earth. Parts A/B/C (2011)“…► Groundwaters from carbonate formations of the north east of the Paris Basin. ► Major elements, 87Sr/ 86Sr, stables isotopes of water and sulphates analysis…”
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High (36)Cl/Cl ratios in Chernobyl groundwater
Published in Journal of environmental radioactivity (01-12-2014)“…After the explosion of the Chernobyl Nuclear Power Plant in April 1986, contaminated material was buried in shallow trenches within the exclusion zone. A…”
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Chemical and isotopic characterization of water–rock interactions in shales induced by the intrusion of a basaltic dike: A natural analogue for radioactive waste disposal
Published in Applied geochemistry (01-02-2006)“…Disposal of nuclear waste in deep geological formations is expected to induce thermal fluxes for hundreds of years with maximum temperature reaching about…”
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Alteration of a basaltic glass in an argillaceous medium:: The Salagou dike of the Lodève Permian Basin (France). Analogy with an underground nuclear waste repository
Published in Geochimica et cosmochimica acta (01-04-2001)“…Volcanic basaltic glasses are commonly considered to be very suitable natural analogs of vitrified waste packages intended for geological disposal. The studied…”
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Pb isotope study of black-smokers and basalts from Pito Seamount site (Easter microplate)
Published in Chemical geology (01-03-1999)“…Previous studies of hydrothermal deposits on active sediment-starved spreading centers have shown that the lead isotope compositions of the oceanic crust are…”
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Evidence of bacterial activity from micrometer-scale layer analyses of black-smoker sulfide structures (Pito Seamount Site, Easter microplate)
Published in Chemical geology (24-06-1999)“…We report the observation of an external layer, less than 20 μm thick, attached to hydrothermal chimney fragments of black smokers collected from the Pito…”
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Establishing constraints on groundwater ages with 36Cl, 14C, 3H, and noble gases: A case study in the eastern Paris basin, France
Published in Applied geochemistry (2010)“…Groundwaters from the Tithonian/Kimmeridgian, Oxfordian and Upper Dogger aquifers, within the eastern part of the Paris basin (France), were characterised…”
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Basaltic glass: alteration mechanisms and analogy with nuclear waste glasses
Published in Journal of nuclear materials (01-11-2000)“…A synthetic basaltic glass was dissolved experimentally at 90°C under static conditions in initially pure water. The basaltic glass dissolution rates measured…”
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Alteration of a basaltic glass in an argillaceous medium
Published in Geochimica et cosmochimica acta (01-04-2001)Get full text
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U-Pb dating of an early paleozoic bimodal magmatism in the french Massif Central and of its further metamorphic evolution
Published in Contributions to mineralogy and petrology (01-04-1982)Get full text
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Influence of local fluid flow on properties of low permeability Cretaceous siltstones (South-Eastern France): Implications for a nuclear waste deep repository
Published in Journal of geochemical exploration (01-10-2005)“…Understanding the physical and chemical behaviour of a sedimentary sequence during post-depositional fluid flow is of prime importance in evaluating its…”
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High super(36)Cl/Cl ratios in Chernobyl groundwater
Published in Journal of environmental radioactivity (01-12-2014)“…After the explosion of the Chernobyl Nuclear Power Plant in April 1986, contaminated material was buried in shallow trenches within the exclusion zone. A…”
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Establishing constraints on groundwater ages with super(36)Cl, super(14)C, super(3)H, and noble gases: A case study in the eastern Paris basin, France
Published in Applied geochemistry (01-01-2010)“…Groundwaters from the Tithonian/Kimmeridgian, Oxfordian and Upper Dogger aquifers, within the eastern part of the Paris basin (France), were characterised…”
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Age and origin of Albian glauconites and associated clay minerals inferred from a detailed geochemical analysis
Published in Journal of sedimentary research (01-09-2004)“…Glauconitic grains are abundant in sandstones and siltstones from Albian and Cenomanian (transition between Lower and Upper Cretaceous) formations of…”
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