Search Results - "de Rafelis, Marc"
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Asian monsoons and aridification response to Paleogene sea retreat and Neogene westerly shielding indicated by seasonality in Paratethys oysters
Published in Earth and planetary science letters (01-03-2018)“…Asian climate patterns, characterised by highly seasonal monsoons and continentality, are thought to originate in the Eocene epoch (56 to 34 million years ago…”
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A high resolution study of trace elements and stable isotopes in oyster shells to estimate Central Asian Middle Eocene seasonality
Published in Chemical geology (01-01-2014)“…Modern Asian climate is characterized by strong seasonality caused by the duality between monsoon-dominated conditions in southeastern Asia and semi-arid to…”
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3
Global and local forcing of Early Toarcian seawater chemistry: A comparative study of different paleoceanographic settings (Paris and Lusitanian basins)
Published in Paleoceanography (01-12-2009)“…The Early Toarcian was characterized by two large perturbations to the carbon cycle: a positive trend associated with increased organic matter burial and ocean…”
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Potential seasonal calibration for palaeoenvironmental reconstruction using skeletal microstructures and strontium measurements from the cold-water coral Lophelia pertusa
Published in Journal of quaternary science (01-11-2014)“…ABSTRACT Lophelia pertusa is a colonial cold‐water coral species with a wide spatial distribution in recent marine waters. Analysing the chemistry of its…”
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A record of the Messinian salinity crisis in the eastern Ionian tectonically active domain (Greece, eastern Mediterranean)
Published in Basin research (01-04-2017)“…This integrated study (field observations, micropalaeontology, magnetostratigraphy, geochemistry, borehole data and seismic profiles) of the Messinian–Zanclean…”
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Extreme strontium concentrations reveal specific biomineralization pathways in certain coccolithophores with implications for the Sr/Ca paleoproductivity proxy
Published in PloS one (16-10-2017)“…The formation of the coccolith biominerals by a group of marine algae (the Coccolithophores) offers fascinating research avenues both from the biological and…”
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Large Sea Surface Temperature, Salinity, and Productivity‐Preservation Changes Preceding the Onset of the Messinian Salinity Crisis in the Eastern Mediterranean Sea
Published in Paleoceanography and Paleoclimatology (01-02-2019)“…The Messinian Salinity Crisis (MSC; 5.97–5.33 Ma) is an enigmatic episode of paleoceanographic change, when kilometer‐thick evaporite units were deposited in…”
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8
Rare earth elements in oyster shells: provenance discrimination and potential vital effects
Published in Biogeosciences (21-04-2020)“…Rare earth elements (REEs) and yttrium in seawater originate from atmospheric fallout, continental weathering, and transport from rivers, as well as…”
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9
Oxygen and sulfur mass-independent isotopic signatures in black crusts: the complementary negative Δ33S reservoir of sulfate aerosols?
Published in Atmospheric chemistry and physics (01-04-2020)“…To better understand the formation and the oxidation pathways leading to gypsum-forming “black crusts” and investigate their bearing on the whole atmospheric…”
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Changes in sea-surface conditions in the Equatorial Pacific during the middle Miocene–Pliocene as inferred from coccolith geochemistry
Published in Earth and planetary science letters (01-01-2013)“…This study presents a new alkenone-derived Sea Surface Temperature (SST) record and δ18ONoelaerhabdaceae data of the 2–5μm carbonate fractions from the IODP…”
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11
Chalky versus foliated: a discriminant immunogold labelling of shell microstructures in the edible oyster Crassostrea gigas
Published in Marine biology (01-12-2016)“…Mollusc shells are organic–inorganic biocomposites, arranged in a limited number of superimposed calcified layers that generally exhibit very different…”
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12
Perspectives on the use of growth rate patterns in fossil ectotherm bones to characterise ancient continental environments: Case study in Late Neogene sites from northern Chad (Djurab)
Published in Journal of African earth sciences (1994) (01-11-2018)“…We investigate the feasibility and potential relevance of studying growth patterns in the bones of fossil freshwater ectotherms with the aim of developing new…”
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13
Fluctuations of sea-water chemistry during Gargasian (Middle Aptian) time. Data from trace-element content (Mg, Sr, Mn, Fe) in hemipelagic carbonates from La Marcouline Quarry (Cassis, SE France)
Published in Carnets de Géologie (2007)“…In the Lower Aptian historical stratotype area (Cassis-La Bédoule, SE France), a geochemical study of the Gargasian (Middle Aptian) marl-limestone alternations…”
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14
Fossil evidence for serpentinization fluids fueling chemosynthetic assemblages
Published in Proceedings of the National Academy of Sciences - PNAS (10-05-2011)“…Among the deep-sea hydrothermal vent sites discovered in the past 30 years, Lost City on the Mid-Atlantic Ridge (MAR) is remarkable both for its alkaline…”
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15
A latitudinal gradient of seasonal temperature variation recorded in oyster shells from the coastal waters of France and The Netherlands
Published in Facies (2010)“…Cathodoluminescence (CL) microscopy of the foliated calcite shell hinge sections of live-collected oyster Crassostrea gigas collected at seven locations along…”
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16
Cathodoluminescence tools provide clues to depositional history in Miocene and Pliocene mammalian teeth
Published in Palaeogeography, palaeoclimatology, palaeoecology (05-09-2008)“…This paper presents the results of a study which used cathodoluminescence (CL) observations (optical images and SEM spectra) as a tool for assessing diagenetic…”
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Purbeck beds (Late Jurassic) in the Phare de Chassiron section (Île d’Oléron, NW Aquitaine Basin, France): Refined age-assignment and long-term depositional sequences
Published in Geobios (01-09-2012)“…In western european basins, lowering of relative sea-level during the Late Jurassic-Early Cretaceous led to the widespread deposition in numerous basins of…”
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New insights into oyster high-resolution hinge growth patterns
Published in Marine biology (01-04-2019)“…While oyster shells are one of the most common mollusks used for the analysis of (paleo)environmental and (paleo)climatic records based on geochemical proxies,…”
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Chemical labelling of oyster shells used for time-calibrated high-resolution Mg/Ca ratios: A tool for estimation of past seasonal temperature variations
Published in Palaeogeography, palaeoclimatology, palaeoecology (01-03-2013)“…The geochemical compositions of biogenic carbonates are increasingly used for palaeoenvironmental reconstructions. The skeletal δ18O temperature relationship…”
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20
Provenance study of oyster shells by LA-ICP-MS
Published in Journal of archaeological science (01-08-2021)“…Provenance determination of archaeological remains is a valuable tool for reconstruction of past exchange networks. Among these materials, oyster shells are…”
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