The abstract submission deadline for Goldschmidt2022 is fast approaching. Both in-person and remote presentations are welcomed (view the hybrid format). Browse the themes and sessions in the Science Program here and submit your abstractby 1 March 2022.
We are very pleased to announce the recipients of the 2022 EAG Awards. The three medallists will be presented with their awards at Goldschmidt2022 next July.
The European Association of Geochemistry and the Geochemical Society are pleased to announce the 2022 Geochemistry Fellows: Marly Babinski, Christopher Ballentine, Simon Brassell, Ken Buesseler, Marie Edmonds, Stephen Foley, Gideon Henderson, Jörg Hermann, Noriko Kita, Xiang-dong Li, Harue Masuda, Tamsin Mather, Ann Pearson, Laurie Reisberg, Lenny Winkel, and Yi-Gang Xu.
Global Geochemistry Community Survey: Help Us Reach Our Goal
We are over 60% of the way towards our response rate goal for theGlobal Geochemistry Community Survey and we are asking for your help to get us to the finish line.
If you haven’t already completed this survey, we would greatly appreciate 15 minutes of your time. If you have completed the survey, thank you! Please consider forwarding the survey to your Geochemistry colleagues (whether they are members or not).
Klaus Mezger Joins the Geochemical Perspectives Editorial Board
We are delighted to welcome Klaus Mezger (University of Bern) to the Geochemical Perspectives editorial board.
Klaus is a geochemist and petrologist who studies early planetary and solar system evolution, and Earth's chemical differentiation through time using radiogenic and stable isotopes. Klaus studies the dynamics of orogenic cycles by combining geochronology, metamorphic petrology and structural geology.
Carbonatites are rare, but important, igneous rocks in the Earth’s crust. They are composed dominantly of the Ca, Mg, and Fe carbonates, along with many other minor and trace components. The popularity of high-tech devices—smart phones, electric motors for zero-emission vehicles, wind turbines for renewable energy—has led to a renewed focus on these enigmatic carbonatite magmas, because to make these devices requires rare earth elements and the majority of the world’s rare earth elements are associated with carbonatites. This issue explores the current models for how carbonatites form and evolve in the mantle or crust, the temporal and tectonic controls on their formation, why they are so enriched in rare earth elements, and what are their economically significant minerals.
All EAG members have online access to current and past issues of Elements. Members who have selected to receive print copies of Elements, will shortly receive the latest issue by post (log into the EAG Membership Platform to verify your preferences and postal address).
Apply for EAG Early Career Funding by 1 March
The EAG Early Career Science Ambassador Program provides support for early career researchers (final stages of PhD or up to 6 years post-PhD) to present in person at conferences held outside Europe or online at conferences held anywhere in the world (except Goldschmidt).
Successful applicants will receive up to 50% of total expenses (1500€ maximum) for onsite attendance (covering registration, abstract fees, and travel expenses), and the cost of registration and abstract fees for online attendance.
Applicants should be based in Europe if applying for onsite attendance but may be based in any country if applying for support to attend remotely.
EAG Co-Sponsored Event: 12th International Symposium Geochemistry of the Earth’s Surface - Apply for EAG Student Support by 1 April
The 12th edition of GES will take place 24–29 July at ETH Zurich (Switzerland). The overarching theme of GES12 is Earth system interactions on a changing planet, and we particularly encourage research contributions linking environmental compartments and connecting the Earth's spheres.
We encourage talented students to participate to GES12 by applying for a European Association of Geochemistry (EAG) sponsored scholarship. Successful applicants will pay a reduced registration fee of CHF 100 (or CHF 70 for an early registration before May 1, 2022). We can offer this scholarship to five students.
See here for scholarship details and apply by 1 April 2022.
In anticipation, the meeting's Bursary Application Form has been made available for eligible applicants to download, review, and complete at a pace convenient for them.
Travel information is available here and an indicative meeting programme is developing here. Look forward to seeing you in Edinburgh!
Oxidation of La Réunion lavas with MORB-like fO2 by assimilation
Oxygen fugacity (fO2) is poorly constrained in mantle reservoirs, especially those sampled by ocean island basalts (OIBs). This is partly due to complications from secondary processes acting on fO2 in OIB parental magmas. To investigate these issues in situ trace element data of olivine in lavas from the island of La Réunion are reported. La Réunion lavas are useful for examining post-melting...
Nitrogen isotope fractionation during magma ocean degassing: tracing the composition of early Earth’s atmosphere
The evolution of the nitrogen concentration and isotopic composition during the degassing of Earth’s magma ocean, and thus in the primitive atmosphere, is key to understanding how habitable conditions developed...
Comment on “190Pt-186Os geochronometer reveals open system behaviour of 190Pt-4He isotope system” by Luguet et al. (2019)
Accurate and precise chronology of ore forming processes is critical for the development of genetic models for ore formation. New methods (190Pt-186Os and 190Pt-4He) have been developed recently for determining the timing and...
Reply to Comment on “190Pt-186Os geochronometer reveals open system behaviour of 190Pt-4He isotope system” by Yakubovich et al. (2022)
Luguet et al. (2019) applied the Re-Os and Pt-Os chronometers to date the Pt mineralisation of the Kondyor Zoned Ultramafic Complex (ZUC) and suggested this to be ∼250-240 Ma and related to the subduction of...
Massive Sponge Gardens Discovered on the Peaks of Extinct Underwater Volcanoes in the Arctic Deep Sea
[SciTechDaily] Little food reaches the depths below the permanently ice-covered Arctic Ocean, because light limits the productivity of algae. However, scientists from Bremen, Bremerhaven and Kiel now discovered a surprisingly rich and densely populated ecosystem on the peaks of extinct...
Harnessing a natural geochemical reaction to combat antibiotic resistance
[Phys.org] Antibiotics have allowed for the widespread control of bacterial infections, which had been the leading cause of death historically. However, the overuse of traditional antibiotics in humans and animals has resulted in the emergence of stronger, more potent bacterial strains that are no longer...
[Friedrich-Schiller-Universitaet Jena via EurekAlert] Chains of amino acids. All life as we know it consists of the same chemical building blocks. These include peptides, which perform various completely different functions in the body – transporting substances, accelerating reactions or forming stabilising...
[SciTechDaily] To understand how life emerged, scientists investigate the chemistry of carbon and water. In the case of water, they track the various forms, or isotopes, of its constituent hydrogen and oxygen atoms over the history of the universe, like a giant treasure hunt. Researchers from...
[BBC The Science Hour] The effects of the Tonga eruption could be felt around the world, many heard the boom of a sonic shock, and tsunami waves travelled far and wide. Volcanologist Shane Cronin from the University of Auckland in New Zealand is one of only a handful of people to have landed...
Tonga Volcanic Eruption Sent Ripples Through Earth’s Ionosphere – Equivalent to 4-18 Megatons of TNT
[SciTechDaily] The powerful underwater volcanic eruption that blanketed the island nation of Tonga with ash and sent tsunami waves across the world also caused ripples in Earth’s ionosphere, according to measurements from the Global Differential Global Positioning System (GDGPS)...
East Africa’s Oldest Modern Human Fossil Is Way Older Than Previously Thought
[Smithsonian Magazine] At a remote region in southwestern Ethiopia, the Omo River and its long-vanished tributaries have laid bare rugged bluffs and hillsides, exposing a layer cake of ancient sediments and the trapped remains of early humans. Before the Covid pandemic, Céline Vidal and colleagues...
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