Magnesium isotope geochemistry

FZ Teng - Reviews in Mineralogy and Geochemistry, 2017 - pubs.geoscienceworld.org
Magnesium (Mg) has an atomic number of 12 and belongs to the alkaline earth element
(Group II) of the Periodic Table. The pure Mg is a silvery white metal and has a melting point …

The fate of subducting carbon tracked by Mg and Zn isotopes: A review and new perspectives

SA Liu, YR Qu, ZZ Wang, ML Li, C Yang, SG Li - Earth-Science Reviews, 2022 - Elsevier
Tracking the final fate of subducting carbon is crucial to understanding global carbon cycles
and climate changes in the history of the Earth. Available geochemical tracers such as …

The magnesium isotope (δ26Mg) signature of dolomites

A Geske, RH Goldstein, V Mavromatis… - … et Cosmochimica Acta, 2015 - Elsevier
Dolomite precipitation models and kinetics are debated and complicated due to the complex
and temporally fluctuating fluid chemistry and different diagenetic environments. Using well …

A review of retrieving pristine rare earth element signatures from carbonates

Y Zhao, W Wei, M Santosh, J Hu, H Wei, J Yang… - Palaeogeography …, 2022 - Elsevier
Rare earth element and yttrium (REY) concentrations of carbonates can be used as potential
proxies to trace the geochemistry of precipitating waters and physico-chemical …

Experimental calibration of Mg isotope fractionation between dolomite and aqueous solution and its geological implications

W Li, BL Beard, C Li, H Xu, CM Johnson - Geochimica et Cosmochimica …, 2015 - Elsevier
Abstract Hydrothermal experiments at 220, 160, and 130° C were performed to calibrate the
Mg isotope fractionation factor between dolomite and aqueous Mg. Hydrothermal …

Using stable Mg isotopes to distinguish dolomite formation mechanisms: A case study from the Peru Margin

V Mavromatis, P Meister, EH Oelkers - Chemical geology, 2014 - Elsevier
The magnesium isotope composition of diagenetic dolomites and their adjacent pore fluids
were studied in a 250 m thick sedimentary section drilled into the Peru Margin during Ocean …

Magnesium isotopic compositions of the Mesoproterozoic dolostones: Implications for Mg isotopic systematics of marine carbonates

KJ Huang, B Shen, XG Lang, WB Tang, Y Peng… - … et Cosmochimica Acta, 2015 - Elsevier
Available Mg isotope data indicate that dolostones of different ages have overlap** range
of Mg isotopic composition (δ 26 Mg) and there is no systematic difference among different …

Magnesium isotope composition of sabkha porewater and related (Sub-) Recent stoichiometric dolomites, Abu Dhabi (UAE)

A Geske, S Lokier, M Dietzel, DK Richter, D Buhl… - Chemical …, 2015 - Elsevier
Earliest marine diagenetic sabkha type dolomites are widespread in Earth's geological
record. Potentially, these carbonates may act as archives of past seawater magnesium …

Mg-Sr isotopes of low-δ26Mg basalts tracing recycled carbonate species: Implication for the initial melting depth of the carbonated mantle in Eastern China

J Huang, Y **ao - International Geology Review, 2016 - Taylor & Francis
Recent studies show that crustal carbonates recycled into the mantle can be traced using
Mg isotopes of basalts. However, the species of recycled carbonates are poorly constrained …

Resetting of Mg isotopes between calcite and dolomite during burial metamorphism: Outlook of Mg isotopes as geothermometer and seawater proxy

Z Hu, W Hu, X Wang, Y Lu, L Wang, Z Liao… - … et Cosmochimica Acta, 2017 - Elsevier
Magnesium isotopes are an emerging tool to study the geological processes recorded in
carbonates. Calcite, due to its ubiquitous occurrence and the large Mg isotope fractionation …