Explanipedia

Insights into stable strontium isotope fractionation in marine gypsum and its geochemical implications Open

Yana Kirichenko, Jörg Rickli, Tomaso R. R. Bontognali, Netta Shalev · 2024

Reconstructing past seawater δ88/86Sr from calcium-sulfates (gypsum and anhydrite) Open

Netta Shalev, Stefano Lugli, Vinicio Manzi, Christoph Leitner, Yining Li , et al. · 2024

Records of the stable-Sr isotope composition of past seawater, δ88/86Srsw, have recently been demonstrated to be good proxies for the evolution of the marine ‘carbonate factory’, the ultimate sink of carbon from the ocean-…

New insights into the Sr isotope budget from stable-Sr isotope fractionation in gypsum Open

Yana Kirichenko, Jörg Rickli, Tomaso R. R. Bontognali, Netta Shalev · 2023

The geochemical cycle of strontium (Sr) is closely tied to the long-term inorganic cycle of carbon since the budgets of both elements are controlled by similar natural processes such as volcanism, continental weathering, and carbonates pre…

Magnesium isotope signature of Middle Ordovician dolomites from the Ordos Basin, China Open

Yining Li, Wenhui Liu, Netta Shalev · 2023

As a significant sink of seawater magnesium, δ26Mg values of syndepositional marine dolomites can be utilized to reconstruct seawater Mg isotope composition in the past. This, in turn, may serve as a good tracer for the Mg cycle throu…

Exploring Mg-evaporites and sabkha dolomite as archives for seawater Mg isotope composition Open

Netta Shalev, Boáz Lazar, Ludwik Halicz, Ittai Gavrieli, Tomaso R. R. Bontognali , et al. · 2023

Recent studies of seawater compositions of some ‘non-traditional’ stable isotope systems, such as 26Mg/24Mg (reported as δ26Mg), have uncovered great potential to enhance our understanding of the past Earth. However, diffe…

Understanding the role of gypsum in the global Sr cycle using stable-Sr isotopes Open

Yana Kirichenko, Netta Shalev, Jörg Rickli, Tomaso R. R. Bontognali · 2023

A reconstruction of ocean δ26Mg in the Triassic from dolostones and a new model of Earth surface recovery following the End-Permian Open

Duncan Dale, Stefano M. Bernasconi, Netta Shalev, Ricarda Rosskopf · 2023

Magnesium isotopes behavior in coastal aquifers Open

Anael Cohen, Yael Kiro, Ittai Gavrieli, Netta Shalev · 2023

Regulation of hydrothermal vent contribution to ocean chemistry by hydrothermally influenced sediments, the Rainbow field case study Open

Zvi Steiner, Zhouling Zhang, Christopher Galley, Linbin Zhou, Netta Shalev , et al. · 2023

Precise determination of dolomite content in marine sediments Open

Eyal Wurgaft, Zhaohui Aleck Wang, Netta Shalev, Navot Morag, Rotem Golan , et al. · 2022

Dolomite (CaMg[CO 3 ] 2 ) is a common rock‐forming mineral. Nevertheless, its mechanisms of formation and the factors that cause dolomite concentration variations within the sedimentary records constitute long‐standing geochemical question…

Using Precambrian carbonates for seawater isotope reconstructions: constraints from LA-ICP-MS U-Pb geochronology of a post-Sturtian cap dolomite, Brazil Open

Rolando E. Clavijo Arcos, Matthew O Clarkson, Derek Vance, Stefano M. Bernasconi, Marcel Guillong , et al. · 2022

Global seawater isotope reconstructions from Precambrian marine carbonates must overcome particular difficulties on two fronts: i) accurate age constraints for global stratigraphic correlations and interpretations, and ii) the rel…

The Mg isotope signature of marine Mg-evaporites Open

Netta Shalev, Boáz Lazar, Ludwik Halicz, Ittai Gavrieli · 2021

Analytical methods for determination of δ26Mg and δ88/86Sr in evaporites Open

Yana Kirichenko, Netta Shalev · 2021

Marine evaporites (such as gypsum and halite) precipitate directly from evaporating seawater, and thus are considered to be good recorders of ocean chemistry.Magnesium and strontium are found in gypsum as trace elements in the crystal latt…

Magnesium and Uranium isotope composition of the Sturtian Jacoca Formation cap dolomite, Brazil Open

Rolando E. Clavijo Arcos, Matthew O Clarkson, Derek Vance, Alcídes N. Sial, Marius Müller , et al. · 2021

The Early Cryogenian period is marked by the Sturtian glaciation episode (ca.720-660 Ma) that triggered a global perturbation to ocean chemistry and to the surface cycles of many elements.However, reconstructing variations in seawater chem…

A Characterisation of Dolomitization in Triassic Dolomites of Ticino, Switzerland, Using δ26Mg and Clumped Isotopes Open

Duncan Dale, Stefano M. Bernasconi, Derek Vance, Netta Shalev, Ricarda Rosskopf · 2021

Sabkha dolomite as an archive for the magnesium isotope composition of seawater Open

Netta Shalev, Tomaso R. R. Bontognali, Derek Vance · 2020

Recent studies have uncovered the potential of Mg isotopes (δ26Mg) for studying past ocean chemistry, but records of such data are still scarce. Dolomite has been suggested as a promising archive for δ26Mg of seawater. However, its enigmat…

Supplemental Material: Sabkha dolomite as an archive for the magnesium isotope composition of seawater Open

Netta Shalev, et al. · 2020

Mg isotope measurements details, Supplemental Figures S1 and S2, and Supplemental Tables S1–S4.

Supplemental Material: Sabkha dolomite as an archive for the magnesium isotope composition of seawater Open

Netta Shalev, et al. · 2020

Mg isotope measurements details, Supplemental Figures S1 and S2, and Supplemental Tables S1–S4.

New isotope constraints on the Mg oceanic budget point to cryptic modern dolomite formation Open

Netta Shalev, Tomaso R. R. Bontognali, C.G. Wheat, Derek Vance · 2019

Mg Isotope Interlaboratory Comparison of Reference Materials from Earth‐Surface Low‐Temperature Environments Open

Netta Shalev, Juraj Farkaš, Jan Fietzke, Martin Novák, Jan A. Schuessler , et al. · 2018

To enable quality control of measurement procedures for determinations of Mg isotope amount ratios, expressed as δ 26 Mg and δ 25 Mg values, in Earth‐surface studies, the δ 26 Mg and δ 25 Mg values of eight reference materials ( RM s) were…

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