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  • 1
    Keywords: isotopes; water cycle; marine environment; terrestrial environment; groundwater; underground water storage
    Description / Table of Contents: 2 July 2020 --- Geographic variations in the slope of the δ2H–δ18O meteoric water line over Europe: A record of increasing continentality / Christophe Lécuyer, Ana-Voica Bojar, Valérie Daux and Serge Legendre / Geological Society, London, Special Publications, 507, https://doi.org/10.1144/SP507-2020-68 --- Carbon isotopes in dissolved inorganic carbon as tracers of carbon sources in karst waters of the Plitvice Lakes, Croatia / A. Sironić, I. Krajcar Bronić, N. Horvatinčić, J. Barešić, D. Borković, M. Vurnek and I. Lovrenčić Mikelić / Geological Society, London, Special Publications, 507, https://doi.org/10.1144/SP507-2020-49 --- 30 June 2020 --- Using ratios in cave guano to assess past environmental changes / Daniel M. Cleary and Bogdan P. Onac / Geological Society, London, Special Publications, 507, https://doi.org/10.1144/SP507-2020-13 --- Time series analysis of the δ2H, δ18O and dexcess values in correlation with monthly temperature, relative humidity and precipitation in Râmnicu Vâlcea, Romania: 2012 to 2018 / Carmen Varlam, Octavian G. Duliu, Roxana Elena Ionete and Diana Costinel / Geological Society, London, Special Publications, 507, https://doi.org/10.1144/SP507-2020-56 --- Stable isotope geochemistry of pedogenic carbonates in calcareous materials, Iran: A review and synthesis / Omid Bayat, Alireza Karimi and Ronald Amundson / Geological Society, London, Special Publications, 507, https://doi.org/10.1144/SP507-2019-236 --- Isotopic and time series investigations of recent stalagmites (1945-2018), Schlossberg Tunnels, Graz, Austria: implications for climate change in Central Europe / Ana-Voica Bojar, Christophe Lécuyer, Octavian G. Duliu, Hans-Peter Bojar and François Fourel / Geological Society, London, Special Publications, 507, https://doi.org/10.1144/SP507-201
    Pages: Illustrationen, Diagramme, Karten
    Edition: online first
    Language: English
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  • 2
    Call number: 10.1144/SP507-2021-32 (e-book)
    In: Special publications / the Geological Society, London, No.507
    Description / Table of Contents: This Special Publication is devoted to Earth surface environmental reconstructions and environmental changes that may be deciphered and modelled using stable isotopes along with mineralogical/chemical, sedimentological, palaeontological/biological and climatological methodologies. The volume is divided into two sections, both of them using stable isotopes analysis (δD, δ18O, δ13C, δ15N, δ34S and clumped isotopes Δ47) in various samples and phases as the main research tools. The first section is devoted to studies focusing on the distribution of isotopes in precipitations, groundwaters, lakes, rivers, springs and mine waters, and their relationship with terrestrial environments at regional to continental scale. In relation to this, the second section includes case studies from a range of continental settings, investigating cave deposits (stalagmites and bat guano), animal skeletons (dinosaurs, alligators, turtles and bivalves), present and past soils (palaeosols) and limestones. The sections focus on the interaction between the surficial water cycle and underground water storage, with deposits acting as archives of short- to long-term climatic and environmental changes. Examples from the Early Cretaceous–present time come from Europe, Asia, Africa and America.
    Type of Medium: 12
    Pages: 1 Online-Ressource (vi, 351 Seiten) , Illustrationen, Diagramme, Karten , 26 cm
    ISBN: 9781786204974 , 978-1-78620-497-4
    ISSN: 0305-8719
    Series Statement: Special publications / the Geological Society, London No. 507
    Language: English
    Note: Contents Dedication Bojar, A.-V., Pelc, A. and Lécuyer, C. / Stable isotope studies of the water cycle and terrestrial environments: introduction The water cycle Lécuyer, C., Bojar, A.-V., Daux, V. and Legendre, S. / Geographic variations in the slope of the δ2H–δ18O meteoric water line over Europe: a record of increasing continentality Nagavciuc, V., Bădăluță , C.-A. and Ionita, M. / The influence of the Carpathian Mountains on the variability of stable isotopes in precipitation and the relationship with large-scale atmospheric circulation Daux, V., Minster, B., Cauquoin, A., Jossoud, O., Werner, M. and Landais, A. / Oxygen and hydrogen isotopic composition of tap waters in France Marche, B. M., Rashid, H. and Parkinson, D.-R. / Correlation of seasonal precipitation isotopic profile with the modern climatological data: a case study from the western Newfoundland region of Canada Varlam, C., Duliu, O. G., Ionete, R. E. and Costinel, D. / Time series analysis of the δ2 H, δ18 O and dexcess values in correlation with monthly temperature, relative humidity and precipitation in Râmnicu Vâlcea, Romania: 2012–2018 Bojar, A.-V., Chmiel, S., Bojar, H.-P., Varlam, C. and Barbu, V. / Hydrological system in Quaternary clastic deposits, Mehedinţi County, Romania: isotope composition, chemistry and radiocarbon dating Bădăluț ă, C. A., Mihă ilă, D., Mihă ilă, D., Bădăluț ă, G. and Bistricean, P. I. 7 Stable isotopic and geochemical characterization of precipitation and riverine waters in the Eastern Carpathians and links with large-scale drivers Joshi, S. K., Rai, S. P. and Sinha, R. / Understanding groundwater recharge processes in the Sutlej-Yamuna plain in NW India using an isotopic approach Sironić, A., Bronić, I. K., Horvatinčić, N., Barešić, J., Borković, D., Vurnek, M. and Mikelić, I. L. / Carbon isotopes in dissolved inorganic carbon as tracers of carbon sources in karst waters of the Plitvice Lakes, Croatia Papp, D. C., Baciu, C., Turunen, K. and Kittilä, A. / Applicability of selected stable isotopes to study the hydrodynamics and contaminant transport within mining areas in Romania and Finland Terrestrial environments Bojar, A.-V., Lécuyer, C., Duliu, O. G., Bojar, H.-P. and Fourel, F. / Isotopic and time series investigations of recent stalagmites (1945–2018), Schlossberg tunnels, Graz, Austria: implications for climate change in Central Europe Cleary, D. M. and Onac, B. P. / Using ratios in cave guano to assess past environmental changes Tabor, N. J., Jahren, A. H., Wyman, L., Feseha, M., Todd, L. and Kappleman, J. / Stable isotope geochemistry of the modern Shinfa River, northwestern Ethiopian lowlands: a potential model for interpreting ancient environments of the Middle Stone Age Bayat, O., Karimi, A. and Amundson, R. / Stable isotope geochemistry of pedogenic carbonates in calcareous materials, Iran: a review and synthesis Dias Veras, J. D., de Souza Neto, J. A., Sial, A. N., Ferreira, V. P. and Neumann, V. H. de M. L. / Stable isotope and chemical stratigraphy of the Eocene Tambaba Formation: correlations with the Paleocene–Eocene Thermal Maximum event Yamamura, D., Suarez, C. A., Titus, A. L., Manlove, H. M. and Jackson, T. 7 Multiproxy approaches to investigating palaeoecology and palaeohydrology in the Upper Cretaceous Kaiparowits Formation, USA Suarez, M. B., Knight, J. A., Godet, A., Ludvigson, G. A., Snell, K. E., Murphy, L. and Kirkland, J. I. / Multiproxy strategy for determining palaeoclimate parameters in the Ruby Ranch Member of the Cedar Mountain Formation Suarez, C. A., Frucci, M. N., Tompkins, T. B. and Suarez, M. B. / Quantification of a North American greenhouse hydrological cycle: using oxygen isotopic composition of phosphate from Early Cretaceous (Aptian–Albian) turtles Index
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  • 3
    Call number: 9/M 07.0421(507)
    In: Special publications / the Geological Society, London, No.507
    Description / Table of Contents: This Special Publication is devoted to Earth surface environmental reconstructions and environmental changes that may be deciphered and modelled using stable isotopes along with mineralogical/chemical, sedimentological, palaeontological/biological and climatological methodologies. The volume is divided into two sections, both of them using stable isotopes analysis (δD, δ18O, δ13C, δ15N, δ34S and clumped isotopes Δ47) in various samples and phases as the main research tools. The first section is devoted to studies focusing on the distribution of isotopes in precipitations, groundwaters, lakes, rivers, springs and mine waters, and their relationship with terrestrial environments at regional to continental scale. In relation to this, the second section includes case studies from a range of continental settings, investigating cave deposits (stalagmites and bat guano), animal skeletons (dinosaurs, alligators, turtles and bivalves), present and past soils (palaeosols) and limestones. The sections focus on the interaction between the surficial water cycle and underground water storage, with deposits acting as archives of short- to long-term climatic and environmental changes. Examples from the Early Cretaceous–present time come from Europe, Asia, Africa and America.
    Type of Medium: Monograph available for loan
    Pages: vi, 351 Seiten , Illustrationen, Diagramme, Karten , 26 cm
    ISBN: 9781786204974 , 978-1-78620-497-4
    ISSN: 0305-8719
    Series Statement: Special publications / the Geological Society, London No. 507
    Language: English
    Note: Contents Dedication Bojar, A.-V., Pelc, A. and Lécuyer, C. / Stable isotope studies of the water cycle and terrestrial environments: introduction The water cycle Lécuyer, C., Bojar, A.-V., Daux, V. and Legendre, S. / Geographic variations in the slope of the δ2H–δ18O meteoric water line over Europe: a record of increasing continentality Nagavciuc, V., Bădăluță , C.-A. and Ionita, M. / The influence of the Carpathian Mountains on the variability of stable isotopes in precipitation and the relationship with large-scale atmospheric circulation Daux, V., Minster, B., Cauquoin, A., Jossoud, O., Werner, M. and Landais, A. / Oxygen and hydrogen isotopic composition of tap waters in France Marche, B. M., Rashid, H. and Parkinson, D.-R. / Correlation of seasonal precipitation isotopic profile with the modern climatological data: a case study from the western Newfoundland region of Canada Varlam, C., Duliu, O. G., Ionete, R. E. and Costinel, D. / Time series analysis of the δ2 H, δ18 O and dexcess values in correlation with monthly temperature, relative humidity and precipitation in Râmnicu Vâlcea, Romania: 2012–2018 Bojar, A.-V., Chmiel, S., Bojar, H.-P., Varlam, C. and Barbu, V. / Hydrological system in Quaternary clastic deposits, Mehedinţi County, Romania: isotope composition, chemistry and radiocarbon dating Bădăluț ă, C. A., Mihă ilă, D., Mihă ilă, D., Bădăluț ă, G. and Bistricean, P. I. 7 Stable isotopic and geochemical characterization of precipitation and riverine waters in the Eastern Carpathians and links with large-scale drivers Joshi, S. K., Rai, S. P. and Sinha, R. / Understanding groundwater recharge processes in the Sutlej-Yamuna plain in NW India using an isotopic approach Sironić, A., Bronić, I. K., Horvatinčić, N., Barešić, J., Borković, D., Vurnek, M. and Mikelić, I. L. / Carbon isotopes in dissolved inorganic carbon as tracers of carbon sources in karst waters of the Plitvice Lakes, Croatia Papp, D. C., Baciu, C., Turunen, K. and Kittilä, A. / Applicability of selected stable isotopes to study the hydrodynamics and contaminant transport within mining areas in Romania and Finland Terrestrial environments Bojar, A.-V., Lécuyer, C., Duliu, O. G., Bojar, H.-P. and Fourel, F. / Isotopic and time series investigations of recent stalagmites (1945–2018), Schlossberg tunnels, Graz, Austria: implications for climate change in Central Europe Cleary, D. M. and Onac, B. P. / Using ratios in cave guano to assess past environmental changes Tabor, N. J., Jahren, A. H., Wyman, L., Feseha, M., Todd, L. and Kappleman, J. / Stable isotope geochemistry of the modern Shinfa River, northwestern Ethiopian lowlands: a potential model for interpreting ancient environments of the Middle Stone Age Bayat, O., Karimi, A. and Amundson, R. / Stable isotope geochemistry of pedogenic carbonates in calcareous materials, Iran: a review and synthesis Dias Veras, J. D., de Souza Neto, J. A., Sial, A. N., Ferreira, V. P. and Neumann, V. H. de M. L. / Stable isotope and chemical stratigraphy of the Eocene Tambaba Formation: correlations with the Paleocene–Eocene Thermal Maximum event Yamamura, D., Suarez, C. A., Titus, A. L., Manlove, H. M. and Jackson, T. 7 Multiproxy approaches to investigating palaeoecology and palaeohydrology in the Upper Cretaceous Kaiparowits Formation, USA Suarez, M. B., Knight, J. A., Godet, A., Ludvigson, G. A., Snell, K. E., Murphy, L. and Kirkland, J. I. / Multiproxy strategy for determining palaeoclimate parameters in the Ruby Ranch Member of the Cedar Mountain Formation Suarez, C. A., Frucci, M. N., Tompkins, T. B. and Suarez, M. B. / Quantification of a North American greenhouse hydrological cycle: using oxygen isotopic composition of phosphate from Early Cretaceous (Aptian–Albian) turtles Index
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    Branch Library: GFZ Library
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  • 4
    ISSN: 1573-0581
    Keywords: Oman ophiolite ; hydrothermal circulation ; epidosites ; plagiogranites ; fluid inclusions ; oxygen isotopes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The present study is focused on the so-called High Temprature Reaction Zone of the Oman ophiolite, a thin zone located between the roots of the sheeted dyke complex and the high-level gabbros marking the roof of the fossil magma chambers. The distribution of diabases, chloritised dykes, spilitized dykes and epidosites (in the order of increasing hydrothermal alteration) was studied along continuous outcrops of the lower sheeted dyke complex in three selected areas. The Muwaylah section, in the Haylayn massif, representing a fossil axial discontinuity, is the most massively epidotised area, with epidosite zones of 3–15 m wide and an average spacing of 12 m. In this area, there are two directions of dyking, and a massive sulfide deposit (Daris prospect). The wadi Andam area (Samail massif), representing a much less tectonised site, close to a mantle diapir and located probably midway between the tip and the center of an accretion segment, is also well epidotised, with epidosites spacing of 10–25 m. The wadi Salahi area probably represents the central part of a fossil accretion segment and is by far the least altered site, in spite of being located quite beneath the Zuha sulfide prospect. This confirms that the hot ascending fluids in major discharge zones are strongly focused. Fluid inclusions from about 50 samples collected in the plagiogranites, gabbros and sheeted dykes of the Muwaylah and wadi Falah areas (SE Haylayn massif), consist of: (1) monophase (liquid) inclusions, generally stretched and deformed; (2) vapour-dominated, low-salinity, 2-phase inclusions, with average salinity of 3.8 wt% eq. NaCl and an average Th of 370 °C; (3) liquid-dominated, low-salinity, 2-phase inclusions, with an average salinity of 4.2 wt% eq. NaCl and an average Th of 325 °C, and (4) liquid-dominated, high-salinity inclusions, containing a solid halite daughter phase, dissolving at higher temperature (292–441 °C ) than homogenisation of the fluid phases (230–403 °C ). One plagiogranite sample collected in the Muwaylah area (Haylayn massif) is particularly rich in quartz-epidote hydrothermal veins. Xenomorphic globular quartz is rich in high-salinity, brine-rich inclusions, with halite cubes dissolving at very high temperatures (358–496 °C ) yielding very high salinities (43 to 59.2% NaCl eq.), and with liquid-vapour homogenisation of 275 °C on average. Molecular Raman Spectroscopy analyses have confirmed the aqueous nature of these inclusions and the absence of detectable CO2, NH4, N2 and SO2. Daughter solid phases other than NaCl were determined as hematite and anhydrite, and a third phase is hydroxyl-bearing (amphibole?). PIXE analyses on six brine-rich inclusions allowed to detect significant but variable contents in Cl, Fe, Mn, K, Ca, Zn and Br. Copper, remarkably, was never detected, and two measured Cl/Br ratios are close to that of seawater. The measurement of oxygen isotopic ratios of the fluids extracted from some fluid inclusions and of associated host-minerals (quartz, epidote) suggest that both seawater-derived and magma-derived fluids have mixed in the High Temperature Reaction Zone. PIXE data yield a similar conclusion, based on the contrasted Fe and Mn-contents and Cl/Br ratios of the analysed inclusions. However, the oxidised and Cu-depleted nature of the brine-rich inclusions suggests that the magma-derived or seawater-derived brines are residual liquids that have degassed. Present V-X properties of most NaCl-saturated inclusions do not keep the record of the boiling process, as they homogenise by halite disappearance and not by vapour disappearance. Probably they have been modified by several post-trapping changes, for instance by necking.
    Type of Medium: Electronic Resource
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  • 5
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    PANGAEA
    In:  Supplement to: Rollion-Bard, C; Saulnier, S; Vigier, N; Schumacher, A; Chaussidon, Marc; Lécuyer, Christophe (2016): Variability in magnesium, carbon and oxygen isotope compositions of brachiopod shells: Implications for paleoceanographic studies. Chemical Geology, 423, 49-60, https://doi.org/10.1016/j.chemgeo.2016.01.007
    Publication Date: 2023-01-13
    Description: This study presents the carbon, oxygen, and magnesium isotope compositions of two modern brachiopods, Terebratalia transversa and Frieleia halli, and one fossil specimen (2.3 Ma), Terebratula scillae. The aim of this study is to investigate the variability of these isotopic compositions and to evaluate the potential of brachiopods as a proxy of past seawater d26Mg values. The two investigated brachiopod shells present the same range of d26Mg variation (up to 2 per mil). This variation cannot be ascribed to changes in environmental parameters (temperature or pH). As has been previously observed, the primary layer of calcite shows the largest degree of oxygen and carbon isotope disequilibrium relative to seawater. In contrast, the d26Mg value of the primary layer is comparable to that of the secondary calcite layer value. In both T. scillae and T. transversa, negative trends are observable between magnesium isotopic compositions and oxygen and carbon isotopic compositions. These trends can be explained by kinetic effects linked to changes in growth rate during the brachiopod life. The innermost calcite layer of T. transversa is in isotopic equilibrium for both oxygen and magnesium and could therefore be the best target for reconstructing past d26Mg values of seawater.
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 6
    Publication Date: 2023-02-08
    Keywords: DEPTH, sediment/rock; LaJolla; Near California coast; Sample comment; Size fraction 0.002-0.001 mm, 9.0-10.0 phi; δ13C; δ13C, standard error; δ18O, standard error; δ25Mg; δ25Mg, standard deviation; δ26Mg; δ26Mg, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 130 data points
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  • 7
    Publication Date: 2023-02-07
    Keywords: DEPTH, sediment/rock; LaJolla; Near California coast; Sample comment; Size fraction 0.002-0.001 mm, 9.0-10.0 phi; δ13C; δ13C, standard error; δ18O, standard error; δ25Mg; δ25Mg, standard deviation; δ26Mg; δ26Mg, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 113 data points
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  • 8
    Publication Date: 2023-02-07
    Keywords: Barium; Cadmium; Calcium oxide; Cerium; DEPTH, sediment/rock; Gadolinium; Holmium; Iron; LaJolla; Lanthanum; Lutetium; Magnesium oxide; Manganese oxide; Molybdenum; Near California coast; Neodymium; Praseodymium; Samarium; Sample comment; Sodium; Strontium; Terbium; Thulium; Ytterbium; Yttrium
    Type: Dataset
    Format: text/tab-separated-values, 329 data points
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  • 9
    Publication Date: 2023-02-08
    Keywords: Barium; Cadmium; Calcium oxide; Cerium; DEPTH, sediment/rock; Gadolinium; Holmium; Iron; LaJolla; Lanthanum; Lutetium; Magnesium oxide; Manganese oxide; Molybdenum; Near California coast; Neodymium; Praseodymium; Samarium; Sample comment; Sodium; Strontium; Terbium; Thulium; Ytterbium; Yttrium
    Type: Dataset
    Format: text/tab-separated-values, 286 data points
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  • 10
    Publication Date: 2009-05-14
    Description: Phosphatic remains (tooth enamel, turtle shell fragments and fish scales) of continental vertebrates (freshwater fish, crocodilians, turtles, and theropod and sauropod dinosaurs) recovered from eight localities of NE Thailand ranging in age from the Late Jurassic to the late Early Cretaceous have been analysed for their oxygen isotopic compositions ({delta}18Op). From these preliminary data, local meteoric water {delta}18Ow values estimated using {delta}18Op values of crocodilians and turtles range from -4.1{+/-}2{per thousand} at the end of the Jurassic to -8.3{+/-}2{per thousand} during the Early Cretaceous, suggesting a transition from dry to wetter climates with increasing amount of seasonal precipitation from several hundred millimetres per year to several thousand millimetres. Measurable offsets in {delta}18Op values observed between dinosaur taxa (the spinosaurid theropod Siamosaurus, other theropods and nemegtosaurid sauropods) are interpreted in terms of differences in water strategies, and suggest that Siamosaurus had habits similar to those of semi-aquatic vertebrates such as crocodilians or freshwater turtles.
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