Article
Geography, Physical
Katja Muzek, Oleg Mandic, Valentina Hajek Tadesse, Mathias Harzhauser, Marijan Kovacic, Tomislav Kurecic, Durdica Pezelj
Summary: Lake Pannon, a large lake in the late Neogene period, played a significant role in the Pannonian Basin. The lake's benthic fauna went through adaptive radiation, resulting in the emergence of many endemic species. Some of these species serve as markers for the Lago Mare interval in the Mediterranean Basin. The outflow of water from Lake Pannon to the Eastern Paratethys did not occur at the same time as the hypothetical drainage event in the Mediterranean Basin.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2023)
Article
Geosciences, Multidisciplinary
F. Andreetto, G. Aloisi, F. Raad, H. Heida, R. Flecker, K. Agiadi, J. Lofi, S. Blondel, F. Bulian, A. Camerlenghi, A. Caruso, R. Ebner, D. Garcia-Castellanos, V. Gaullier, L. Guibourdenche, Z. Gvirtzman, T. M. Hoyle, P. T. Meijer, J. Moneron, F. J. Sierro, G. Travan, A. Tzevahirtzian, I. Vasiliev, W. Krijgsman
Summary: The article summarizes the significant changes in the late Miocene evolution of the Mediterranean Basin, including salinity crises, geological sedimentation, and biological evolution. Studies have shown a transition in the hydrological regime of the Mediterranean from high salinity to low salinity, but the causes and mechanisms behind this change are still unclear.
EARTH-SCIENCE REVIEWS
(2021)
Article
Geosciences, Multidisciplinary
Xi Chen, Ying Zhou, Graham A. Shields
Summary: The secular trend of seawater strontium isotope ratio provides important information about changes in ocean composition and global tectonic events. This study compiled and evaluated strontium isotope ratio data of Precambrian marine sedimentary rocks and generated an improved seawater Sr-87/Sr-86 curve. The results indicate an earlier deviation of seawater Sr-87/Sr-86 from the mantle, as well as stronger oscillations and better correspondence with supercontinent cycles than previously shown.
EARTH-SCIENCE REVIEWS
(2022)
Article
Geosciences, Multidisciplinary
T. Kani, K. Misawa, N. Morikawa, K. Kazahaya, F. Kusuhara, S. Yoneda, Y. Terakado
Summary: In the southwest Japan forearc, deep-seated brines known as Arima-type saline water likely originate from upwelling slab-fluids along major faults. These saline waters have light and radiogenic strontium isotope compositions, indicating their primary characteristic of slab-fluids without crustal influence. The signature of forearc depth slab-fluids in the Arima-type brines differs from the slab-fluids at subarc depth estimated from arc lavas, suggesting a larger contribution of subducted sediments and strontium isotope fractionation during fluids generation at shallower depth.
GEOPHYSICAL RESEARCH LETTERS
(2023)
Article
Food Science & Technology
Stasa Hamzic Gregorcic, Nives Ogrinc, Russell Frew, Marijan Necemer, Lidija Strojnik, Tea Zuliani
Summary: This study introduces the use of Sr isotope ratios to determine the origin of bovine milk from different regions of Slovenia. Results show that the Sr isotopic fingerprint in milk is reflective of cow drinking water, indicating a potential for distinguishing between different milk production areas characterized by geo-lithology. The prediction ability was found to be 63.5%.
Article
Food Science & Technology
Caterina Durante, Lisa Lancellotti, Daniela Manzini, Maria Cecilia Rossi, Simona Sighinolfi, Andrea Marchetti, Lorenzo Tassi
Summary: Geographical origin and authenticity of food are key interests for consumers and producers, with the n(Sr-87)/n(Sr-86) isotopic ratio providing useful results in traceability studies. The study focused on the production chains of balsamic vinegars in Modena province, showing the potential to differentiate industrially made Aceto Balsamico di Modena (ABM) from traditional Aceto Balsamico Tradizionale di Modena (ABTM) using this indicator. The results also confirmed the objective link of food products with their raw materials and the territory of origin.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2021)
Review
Geosciences, Multidisciplinary
Emily Holt, Jane A. Evans, Richard Madgwick
Summary: Using bioavailable strontium to trace the origin of biological materials has become increasingly common over the past four decades, with methodological challenges in producing and interpreting isoscapes. Current research suggests that modern plant materials provide the best approximation of bioavailable strontium and can be combined with other archives for more accurate results. Machine learning approaches show promise for producing more accurate and wide-ranging isoscapes in the future.
EARTH-SCIENCE REVIEWS
(2021)
Article
Ecology
Andrew Sillen
Summary: The stable isotope ratio Sr-87/Sr-86 is valuable for tracking the movement and life-histories of humans and animals in history and prehistory. Over the past thirty years, it has evolved from a niche approach to a standard part of archaeological and paleobiological research. Its interdisciplinary nature serves as both a strength and a hindrance to further development.
FRONTIERS IN ECOLOGY AND EVOLUTION
(2021)
Article
Geochemistry & Geophysics
Iuliana Vasiliev, Marius Stoica, Arjen Grothe, Sergei Lazarev, Dan Valentin Palcu, Christiaan van Baak, Arjan De Leeuw, Francesca Sangiorgi, Gert-Jan Reichart, Gareth R. Davies, Wout Krijgsman
Summary: The Dacian Basin uniquely recorded late Miocene hydrological changes and connectivity from the latest Tortonian to the early Pleistocene, with differences in strontium isotope ratios providing insights into depositional environments and faunal dispersal in Central Eurasia's mega-lake Paratethys.
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
(2021)
Article
Engineering, Civil
Xiao-Long Qiu, Baoli Wang, Meiling Yang, Wanzhu Li, Ruoyu Sun, Guilin Han, Cong-Qiang Liu
Summary: River damming alters the behavior of riverine strontium (Sr). The dissolved Sr concentrations in reservoirs are stratified and increase with depth, likely due to the influence of phytoplankton and the precipitation and dissolution of calcite. Long-term hydraulic loads along the reservoirs result in a significant increase in dissolved Sr concentrations. Furthermore, the 87Sr/86Sr ratio of reservoir phytoplankton can be used to distinguish between autochthonous and allochthonous sources of particulate matter.
JOURNAL OF HYDROLOGY
(2022)
Article
Geochemistry & Geophysics
Jiuyuan Wang, Yankun Di, Dan Asael, Noah J. Planavsky, Lidya G. Tarhan
Summary: The stable strontium (Sr) isotope system is playing an increasingly important role in advancing our understanding of environmental, geological, and cosmological processes. By investigating factors affecting the precision and accuracy of Sr isotope measurements, we have identified an improved preparation procedure that allows Zr-doped SSB via MC-ICP-MS to achieve long-term reproducibility comparable to DS-TIMS.
Article
Geochemistry & Geophysics
Laura G. Borda, Linda Godfrey, Daniela A. Del Bono, Cecilia Blanco, M. Gabriela Garcia
Summary: The dynamics of B isotopes in the hypersaline Olaroz basin in the Central Andes were studied using chemical and isotopic analysis. The results showed that the alteration of ignimbrite rocks in the arid climate conditions of the study area is triggered by the circulation of thermal waters and generates solutions that preserve the isotopic signature of the basin rocks. The B-rich leachates are transported by runoff to the salt flat where the B concentration increases due to evaporation.
Article
Geochemistry & Geophysics
E. I. Demonterova, A. V. Ivanov, E. V. Sklyarov, G. V. Pashkova, A. M. Klementiev, M. L. Tyagun, V. A. Vanin, E. G. Vologina, A. S. Yakhnenko, M. S. Yakhnenko, E. A. Kozyreva
Summary: An extended Sr-87/Sr-86 database is provided for Lake Baikal, including water samples from the lake and its bays, tributary rivers, lake animals, and atmospheric precipitation. The water in Lake Baikal and its major bays have a uniform Sr-87/Sr-86 ratio, while the rivers have a higher ratio that is rapidly diluted by the lake currents.
APPLIED GEOCHEMISTRY
(2022)
Article
Engineering, Civil
Catherine Lerouge, Mathieu Debure, Ana-Maria Fernandez, Philippe Negrel, Benoit Made, Nicolas Maubec, Christine Flehoc, Catherine Guerrot, Michaela Blessing, Benoit Henry, Jean-Charles Robinet
Summary: The water transfers and processes in the groundwaters and clay pore waters in Te ' gulines Clay in Brienne-Le-chateau, France were studied. The investigation revealed temporary perched water table in the first ridgetop, lateral groundwater transfers and runoff towards the valley, and the composition differences between groundwaters and pore waters. The groundwater had low TDS concentration and calcic-carbonate composition, while the pore waters were chemically heterogeneous and showed Ca-Mg-SO4 enrichment.
JOURNAL OF HYDROLOGY
(2023)
Article
Geology
Jesper Allan Frederiksen, Clemens Vinzenz Ullmann, Robert Frei, Christoph Korte
Summary: This study confirms the trends and absolute values of the marine Sr-87/Sr-86 reference curve in the Lower Jurassic sediments and provides evidence for the link between marine Sr-87/Sr-86 ratios and rifting, volcanic activity, and climate change.
NEWSLETTERS ON STRATIGRAPHY
(2022)
Article
Geochemistry & Geophysics
Esmee Geerken, Lennart de Nooijer, Takashi Toyofuku, Anne Roepert, Jack J. Middelburg, Michiel V. M. Kienhuis, Yukiko Nagai, Lubos Polerecky, Gert-Jan Reichart
Summary: The study investigates the precipitation rate of calcite in benthic foraminifera and finds that it is similar to the maximum reported rates for inorganic calcite precipitation. The results also suggest a conceptual model for foraminiferal calcification involving active ion transport and thermodynamics. Seawater transport may also play a role in the initial stages of calcification.
GEOCHIMICA ET COSMOCHIMICA ACTA
(2022)
Article
Geography, Physical
Iuliana Vasiliev, Marcel T. J. van der Meer, Marius Stoica, Wout Krijgsman, Gert-Jan Reichart, Sergei Lazarev, Geanina A. Butiseaca, Eva M. Niedermeyer, Elmira Aliyeva, Christian G. C. van Baak, Andreas Mulch
Summary: Landlocked basins like the Caspian Sea are highly sensitive to hydrological changes, especially when disconnected from the global ocean. Using compound-specific hydrogen isotope data, palaeohydrological and palaeoenvironmental changes in the region were reconstructed, showing a connection with the Arctic domain and the Black Sea during different geological stages.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Environmental Sciences
Sabine Gollner, Matthias Haeckel, Felix Janssen, Nene Lefaible, Massimiliano Molari, Stavroula Papadopoulou, Gert-Jan Reichart, Joao Trabucho Alexandre, Annemiek Vink, Ann Vanreusel
Summary: Researchers conducted long-term restoration experiments in deep-sea areas affected by polymetallic nodule mining, focusing on restoring benthic communities where nodules were removed and facilitating the recovery of disturbed sediment. Findings indicated that deployment of artificial nodules and loosening sediment can enhance the recovery of biota and sediment.
INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT
(2022)
Article
Geochemistry & Geophysics
Wim Boer, Simon Nordstad, Michael Weber, Regina Mertz-Kraus, Barbel Hoenisch, Jelle Bijma, Markus Raitzsch, Dorothee Wilhelms-Dick, Gavin L. Foster, Heather Goring-Harford, Dirk Nuernberg, Folkmar Hauff, Henning Kuhnert, Federico Lugli, Howie Spero, Martin Rosner, Piet van Gaever, Lennart J. de Nooijer, Gert-Jan Reichart
Summary: A new matrix-matched reference material (NFHS-2-NP) has been developed and tested by multiple laboratories, demonstrating satisfactory homogeneity and suitability for calibration and quality monitoring of geochemical techniques.
GEOSTANDARDS AND GEOANALYTICAL RESEARCH
(2022)
Article
Ecology
Ulrike Hanz, Philip Riekenberg, Anna de Kluijver, Marcel van der Meer, Jack J. Middelburg, Jasper M. de Goeij, Martijn C. Bart, Erik Wurz, Ana Colaco, Gerard C. A. Duineveld, Gert-Jan Reichart, Hans-Tore Rapp, Furu Mienis
Summary: This study reveals how deep-sea sponge grounds survive in a food-limited environment through stable isotope analysis. Sponge with high microbial abundance utilize dissolved resources and efficient recycling pathways to sustain themselves and other organisms. Additionally, sponges provide organic material to support the otherwise food-limited associated fauna, contributing to the thriving deep-sea ecosystems.
FUNCTIONAL ECOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Hung-An Tian, Mathijs van Manen, Flora Wille, Jinyoung Jung, SangHoon Lee, Tae-Wan Kim, Shigeru Aoki, Charlotte Eich, Corina P. D. Brussaard, Gert-Jan Reichart, Tim M. Conway, Rob Middag
Summary: This study presents the first combined dataset of dissolved and particulate zinc (Zn) and cadmium (Cd) in the Amundsen Sea (AS), providing insights into their sources and biogeochemical processes. The Circumpolar Deep Water (CDW) is identified as the main source for both elements, while aerosol deposition, ice shelf melt, and sea ice melt are considered insignificant sources. Biological uptake is the dominant process for the cycling of Zn and Cd, while sediment resuspension and ice shelf melt contribute little to particulate Zn and Cd. The findings have implications for the larger-scale cycling of trace metals in the Southern Ocean.
Article
Geosciences, Multidisciplinary
Sabine Haalboom, Henko C. de Stigter, Christian Mohn, Thomas Vandorpe, Marck Smit, Laurens de Jonge, Gert-Jan Reichart
Summary: This study presents different experimental designs for monitoring sediment plumes produced by deep-sea mining. Two field tests were conducted in a shallow setting offshore southern Spain using the Apollo II mining vehicle. The tests provided valuable insights for monitoring nodule mining in the deep Pacific. The plume of suspended sediment was monitored using turbidity sensors deployed on a ship-operated CTD system and on a static array of moored sensors, as well as visually with a ship-operated ROV. The results showed the distribution and behavior of the sediment plume and provided recommendations for monitoring in deep-sea conditions.
Article
Multidisciplinary Sciences
Robin van der Ploeg, Margot J. Cramwinckel, Ilja J. Kocken, Thomas J. Leutert, Steven M. Bohaty, Chris D. Fokkema, Pincelli M. Hull, A. Nele Meckler, Jack J. Middelburg, Inigo A. Muller, Donald E. Penman, Francien Peterse, Gert-Jan Reichart, Philip F. Sexton, Maximilian Vahlenkamp, David De Vleeschouwer, Paul A. Wilson, Martin Ziegler, Appy Sluijs
Summary: The Middle Eocene Climatic Optimum (MECO) experienced a transient warming of 3 degrees Celsius, leading to increased salinity in the North Atlantic subtropical gyre and potentially a poleward expansion of its northern boundary.
Article
Geochemistry & Geophysics
M. Mojtahid, P. Depuydt, A. Mouret, S. Le Houedec, S. Fiorini, S. Chollet, F. Massol, F. Dohou, H. L. Filipsson, W. Boer, G. -J. Reichart, C. Barras
Summary: Insights into past marine carbon cycling and water mass properties can be obtained by geochemical proxies calibrated through controlled laboratory experiments. In this study, the use of strontium/calcium ratio (Sr/Ca) of foraminifera shells as a potential seawater C-system proxy was explored. The results showed species-specific sensitivity of Sr/Ca to alkalinity, dissolved inorganic carbon (DIC) and bicarbonate ion concentration ([HCO3-]).
Article
Geochemistry & Geophysics
Margriet L. Lantink, Wytze K. Lenstra, Joshua H. F. L. Davies, Rick Hennekam, David McB. Martin, Paul R. D. Mason, Gert-Jan Reichart, Caroline P. Slomp, Frederik J. Hilgen
Summary: A detailed study of the ca. 2.46 billion-year-old Joffre Member of the Brockman Iron Formation in NW Australia reveals evidence of long-term climate variations possibly caused by changes in monsoonal intensity. The study suggests that the atmospheric oxygen content on Earth varied during this period, around 2.46 billion years ago, in response to Milankovitch cycles.
EARTH AND PLANETARY SCIENCE LETTERS
(2023)
Article
Environmental Sciences
Niels J. J. de Winter, Sterre van Sikkeleras, Barbara Goudsmit-Harzevoort, Wim Boer, Lennart de Nooijer, Gert-Jan Reichart, Philippe Claeys, Rob Witbaard
Summary: Growth experiments are important for studying the effect of environmental factors on biogenic calcifiers. This study investigates the use of strontium labeling in mollusc growth experiments and finds that high doses of dissolved strontium can create reproducible peaks in shell-incorporated strontium. Accurate reconstructions of growth rates require frequent spiking with high doses of strontium.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Geography, Physical
F. Pilade, I. Vasiliev, D. Birgel, F. Dela Pierre, M. Natalicchio, A. Mancini, G. Carnevale, R. Gennari
Summary: This study uses alkenone-based proxies and other data to reconstruct surface water temperatures and paleoenvironmental conditions in the Mediterranean basin during the late Miocene to early Pliocene period. The results suggest that the Mediterranean basin gradually returned to marine conditions before the end of the late Miocene, and fully marine conditions were established in the early Pliocene. This highlights the importance of alkenone-based proxies in environmental reconstruction, especially when fossil records of primary producers are limited.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2023)
Article
Geosciences, Multidisciplinary
Rick Hennekam, Katharine M. M. Grant, Eelco J. J. Rohling, Rik Tjallingii, David Heslop, Andrew P. P. Roberts, Lucas J. J. Lourens, Gert-Jan Reichart
Summary: The Ti/Al ratio in eastern Mediterranean sediments can provide valuable records of North African climate changes. X-ray fluorescence core scanning (XRF-CS) is an effective method for generating continuous Ti/Al records, but accurate calibration is crucial. By analyzing a long sediment record, we observed a direct control of low-latitude insolation on North African aridity and humidity, with a subdued relationship after the mid-Pleistocene transition (MPT).
CLIMATE OF THE PAST
(2022)
Article
Geosciences, Multidisciplinary
Carolien M. H. van der Weijst, Koen J. van der Laan, Francien Peterse, Gert-Jan Reichart, Francesca Sangiorgi, Stefan Schouten, Tjerk J. T. Veenstra, Appy Sluijs
Summary: TEX86 is a paleothermometer that can be used to estimate sea-surface temperature. However, there is controversy regarding its sensitivity to subsurface temperature variability and its correlation with mixed-layer to subsurface temperatures. By studying a 15 Myr TEX86 record, it was found that TEX86 is also influenced by deep-sea temperature changes. These findings suggest that TEX86 can be used as a proxy for ocean temperature variability.
CLIMATE OF THE PAST
(2022)
Article
Geosciences, Multidisciplinary
Carolien M. H. van der Weijst, Josse Winkelhorst, Wesley de Nooijer, Anna von der Heydt, Gert-Jan Reichart, Francesca Sangiorgi, Appy Sluijs
Summary: This study analyzes the late Pliocene records from the Eastern Equatorial Atlantic (EEA) and finds that the thermocline changes in the tropical Atlantic differ from the Pacific. This challenges the hypothesized link between tropical thermocline depth and global climate. The mechanisms behind these differences remain speculative and may be related to basin geometry and temperature evolution in the source regions of thermocline waters.
CLIMATE OF THE PAST
(2022)
Article
Geochemistry & Geophysics
Lingyu Zhang, Kristoffer Szilas
Summary: This study presents new petrological and geochemical data for the Narssaq Ultramafic Body (NUB) in the Itsaq Gneiss Complex of SW Greenland. The results indicate that the ultramafic rocks of NUB are not mantle residues, but instead represent crustal cumulates derived from high-Mg magmas.
EARTH AND PLANETARY SCIENCE LETTERS
(2024)
Article
Geochemistry & Geophysics
Rong Xu, Sarah Lambart, Oliver Nebel, Ming Li, Zhongjie Bai, Junbo Zhang, Ganglan Zhang, Jianfeng Gao, Hong Zhong, Yongsheng Liu
Summary: This study investigated the iron isotope compositions of Cenozoic basalts in Southeast China, finding significant variations related to different types of basalts and their respective sources.
EARTH AND PLANETARY SCIENCE LETTERS
(2024)
Article
Geochemistry & Geophysics
C. J. Ebinger, Miriam C. Reiss, Ian Bastow, Mary M. Karanja
Summary: The East African rift system is formed above mantle upwellings and the formation of rifts is related to lithospheric thinning and magmatic activity. The amount of splitting varies spatially and the fast axes are predominantly parallel to the orientation of the rifts. Thick lithospheric modules have less splitting and different orientations, which may indicate mantle plume flow. Splitting rotates and increases in strength as it enters the rift zones, suggesting that the anisotropy is mainly present at shallow depths.
EARTH AND PLANETARY SCIENCE LETTERS
(2024)
Correction
Geochemistry & Geophysics
Ekaterina Rojas-Kolomiets, Owen Jensen, Michael Bizimis, Gene Yogodzinski, Lukas Ackerman
EARTH AND PLANETARY SCIENCE LETTERS
(2024)
Article
Geochemistry & Geophysics
Robert W. Nicklas, Igor S. Puchtel, Ethan F. Baxter
Summary: Oxygen fugacity is a fundamental parameter for understanding redox processes in igneous systems. This study compares the Fe-XANES oxybarometry method with the V-in-olivine method for evaluating fO(2) in MORB lavas. The results show that the V-in-olivine method is not applicable to samples with low MgO content, and that the majority of Archean komatiite sources have lower fO(2) than modern MORB.
EARTH AND PLANETARY SCIENCE LETTERS
(2024)
Article
Geochemistry & Geophysics
Chunfei Chen, Stephen F. Foley, Sebastian Tappe, Huange Ren, Lanping Feng, Yongsheng Liu
Summary: The volatile components CO2 and H2O play a major role in mantle melting and heterogeneity. In this study, Ca isotopes were used to trace the lithological heterogeneity in alkaline magmatic rocks. The results revealed the presence of K-richterite and carbonate components as the source of alkaline magmas with low delta 44/40Ca values. These findings highlight the importance of Ca isotopes as a robust tracer of lithological variation caused by volatiles in the Earth's upper mantle.
EARTH AND PLANETARY SCIENCE LETTERS
(2024)
Article
Geochemistry & Geophysics
Timothee Jautzy, Gilles Rixhon, Regis Braucher, Romain Delunel, Pierre G. Valla, Laurent Schmitt, Aster Team
Summary: Although the current approach to estimate catchment-wide denudation rates using only 10Be concentrations has made significant progress in geomorphology, this study argues for the inclusion of 26Al measurements and testing of steady-state assumptions in slow eroding, formerly glaciated landscapes. The study conducted measurements of both 10Be and 26Al in stream sediments from the Vosges Massif in France and found that elevation, slope, channel steepness, and precipitation were the primary factors controlling denudation rates. The study also revealed a significant relationship between the extent of past glaciation and the cosmogenic (un-)steadiness in the stream sediments.
EARTH AND PLANETARY SCIENCE LETTERS
(2024)
Article
Geochemistry & Geophysics
Erik van der Wiel, Douwe J. J. van Hinsbergen, Cedric Thieulot, Wim Spakman
Summary: Numerical models of Earth's mantle dynamics can predict the vigour and mixing of mantle flow, and the average slab sinking rates are an unexplored parameter that can provide intrinsic information on these characteristics. Through numerical experiments, it has been found that slab sinking rates are strongly correlated with mantle convection and mixing, and may explain geochemical observations from hotspot volcanoes.
EARTH AND PLANETARY SCIENCE LETTERS
(2024)
