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July 2020

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Goldschmidt Conferences

Thank you for attending Goldschmidt2020

Thank you to everyone who participated in the first virtual Goldschmidt Conference.
All presentations and session recordings will be online until 25 July,  and the Discord server will also remain open for continuing discussions.

If you missed any of the plenary talks from the Virtual Goldschmidt Conference, don't worry! All the plenaries are available for viewing on the Goldschmidt YouTube channel.


Goldschmidt2021: visit the website!

Preparations are now in full swing for Goldschmidt2021! We are planning for all scenarios and are striving to ensure a successful and exciting conference for all delegates, whether attendance will be in-person in Lyon, virtual, or a combination of the two!

Visit the Goldschmidt2021 website to find out more and to watch the conference video. The call for sessions and workshops will open on 1 September 2020 and close on 15 October.


Society News

2020 EAG Medallists: View the citations and responses

The 2020 EAG medallists presented their award talks at Goldschmidt2020. Ken Nealson, Benjamin Gilbert, Mike Hochella and Frédéric Moynier were the citationists for this year's medallists, telling the stories behind the scientists and their exceptional contributions to geochemistry. Click on the links below to read the citations and the medallists' responses.

Citation of Jillian Banfield (2020 Urey Award) by Ken Nealson 
Citation of Kevin Rosso (2020 Science Innovation Award) by Benjamin Gilbert and Mike Hochella
Citation of Kun Wang (2020 Houtermans Award) by Frédéric Moynier

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Geochemical Perspectives Letters: 2019 Impact Factor announced

Following publication of the 2020 Journal Citation Reports, we are pleased to announce that Geochemical Perspectives Letters (GPL) has received an impact factor of 4.452, placing it among the top journals in geochemistry.

The editors and editorial office would like to thank all the authors, reviewers and readers who have contributed to the growing success of GPL.

Visit the 
GPL website

Elements June issue: Redox Engine of Earth

This issue of Elements reviews how redox chemistry is used to derive valuable information about the present and the past of our planet. A knowledge of redox states is essential to understanding the compositional makeup of our planet and the fundamental processes that occur from the core to the atmosphere, from magmatic systems to aquatic systems. And the social and economic impact of redox geochemistry is enormous because of the control it plays on metal mobility and availability, and because of its widespread use for environmental hazard assessment.

Read more

Information for EAG members: Delivery of Elements print issues
Production and mailing of the April 2020 issue of Elements was unfortunately delayed due to the Covid-19 situation. Print copies have now been mailed and EAG members should receive their copies shortly. Delivery of the June 2020 issue is expected towards the end of July/early August.

All EAG members have online access to current and past issues of Elements (html and pdf versions) as well as the new digital edition. To access the online content, log in to the Elements website with your EAG membership details (user id = email address, password = EAG membership number).

Early Career Scientists: apply for sponsorship to participate in a virtual event!

With nearly all conferences switching to virtual format, we have adapted our Student Sponsorship Program and Early Career Ambassador Program to allow junior scientists from all countries to apply for funding to participate in virtual events. Successful applicants will receive sponsorship to cover the registration and abstract fees for participating in a virtual event.

Student Sponsorship Program
: next application deadline is 1 September.
Early Career Ambassador Program: next application deadline is 1 October.

More info

Important Dates and Deadlines

Goldschmidt2021 and EAG deadlines

1 September: EAG Student Sponsorship application deadline
1 October: EAG Early Career Science Ambassador application deadline
15 October: Goldschmidt2021  Call for sessions and workshops closes

View Goldschmidt deadlines

Other geochemistry related event deadlines

29 July: AGU Fall Meeting 2020 abstract deadline
4 August: GSA 2020 Connects Online abstract deadline

View all events

Upcoming online community events

17/24/30 July, 14 August:  MicroSeminar (regular)
21/28 July, 4/11 August: Pal(a)eo PERCS (weekly)
22/29 July, 5/12 August:  Ore Deposits Hub – Open Geoscience Talks (weekly)
22 July, 5 August: Seds Online (regular)

View all online events

New in Geochemical Perspectives Letters

Stable W isotope evidence for redistribution of homogeneous 182W anomalies in SW Greenland

We present the first high precision stable tungsten isotope data for a comprehensive Eoarchean rock suite from the Isua region of SW Greenland with the aim to reconstruct the sources and processes that controlled the inventory of W in...

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Tardi-magmatic precipitation of Martian Fe/Mg-rich clay minerals via igneous differentiation       

Mars is seen as a basalt covered world that has been extensively altered through hydrothermal or near surface water-rock interactions. As a result, all the Fe/Mg-rich clay minerals detected from orbit so far have been interpreted as secondary...

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Contributions of visible and invisible pores to reactive transport in dolomite

Recent technical advances have demonstrated the importance of pore-scale geochemical processes for governing Earth’s evolution. However, the contribution of pores at different scales to overall geochemical reactions...

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Clumped isotope temperature calibration for calcite: Bridging theory and experimentation     

Clumped isotopes (Δ47) analysis in carbonates is becoming widespread across the geochemical community as a geothermometer that also allows for the reconstruction of the precipitating fluid δ18O composition. While initial…

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In situ determination of sulfur speciation and partitioning in aqueous fluid-silicate melt systems

Current knowledge of sulfur behaviour in magmas is based exclusively on ex situ analyses. Here we report the first in situ measurement of sulfur speciation and partitioning between coexisting aqueous fluids and silicate melts. These data...

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Lanthanum anomalies as fingerprints of methanotrophy

Methane is an important greenhouse gas whose emissions into the oceans and atmosphere are regulated by relatively unconstrained anaerobic and aerobic microbial processes. The aerobic pathway for methane oxidation is thought to...

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Ureilite meteorites provide a new model of early planetesimal formation and destruction

Ureilite meteorites are ultramafic rocks derived from parts of the depleted silicate mantle of their parent planetesimal. We used Monte Carlo modelling to explain the observed array of oxygen isotopes and major element chemistry...

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Past endolithic life in metamorphic ocean crust 

The known deep subsurface biosphere on Earth persists in diversified habitats, including deep within igneous rocks of the oceanic crust. Here, we extend the range of the deep subsurface biosphere to metamorphic ocean crust of...

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Carbon and hydrogen isotope fractionation in lipid biosynthesis by Sporosarcina sp. DSK25

Pressure dependent fractionation (PDF) of carbon and hydrogen isotopes in lipid biosynthesis by gram-negative piezophilic bacteria has been reported thus far, however, such PDF for gram-positive piezophilic bacteria remains to...

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Hafnium isotopes in zircons document the gradual onset of mobile-lid tectonics

The tectonic regime of the early Earth has proven enigmatic due to a scarcity of preserved continental crust, yet how early continents were generated is key to deciphering Earth’s evolution. Here we show that a compilation of data...

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Geochemistry Making the News

Diversity and Inclusion in Academia and Society
Making The Outdoors Great For Everyone [Podcast]

[Science Friday] To understand why the outdoors is an unwelcoming place for some people, we need to look back at our violent history. Joining Ira to talk about this is Dr. Carolyn Finney, author of the book “Black Faces, White Spaces.” She is also a scholar-in-residence at Middlebury College in Vermont. And later in the conversation, Ira is joined by two scientists, biology graduate student Corina Newsome from Statesboro, Georgia, and exploration geoscientist Tim Shin from Houston, Texas. They’ll talk about what it’s like to do fieldwork while Black, and what responsibility academic institutions should have in keeping their students safe.

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Greenland drilling campaign aims for bedrock to trace ice sheet’s last disappearance

[Science] Global warming is accelerating the melting of Greenland’s ice sheet, which locks up enough water to raise sea levels by 7 meters. In 2021, U.S. researchers will go to the frozen expanse to pinpoint the last time it disappeared. The 5-year, $7 million campaign, awarded last month by...

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Terrawatch: unearthing snow's 'Fukushima layer'

[The Guardian] The Fukushima nuclear accident has added a distinctive signature to snow and ice across the northern hemisphere, new research published in Environmental Research Letters shows. Triggered by the Tōhoku earthquake and tsunami off the coast of Japan on 11 March...

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First asteroid found within Venus’s orbit could be a clue to missing ‘mantle’ asteroids

[Science] Earlier this year, astronomers discovered an oddball asteroid inside the orbit of Venus—the first member of a predicted flock near the Sun. No bigger than a small mountain, the asteroid has now gained another distinction: It appears to be rich in the mineral olivine, which makes...

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Algae turn Italian Alps pink, prompting concerns over melting

[The Guardian] Scientists in Italy are investigating the mysterious appearance of pink glacial ice in the Alps, caused by algae that accelerate the effects of climate change. There is debate about where the algae come from, but Biagio Di Mauro of Italy’s National Research Council said the pink snow observed...

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Removal of atmospheric CO2 by rock weathering holds promise for mitigating climate change

[Nature News and Views] Achieving targets for mitigating global warming will require the large-scale withdrawal of carbon dioxide from the atmosphere. Writing in Nature, Beerling et al.1 report that enhanced rock weathering in soils has substantial technical and economic potential as a global...

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Underwater caves in Mexico preserve one of the world’s oldest ochre mines

[Science] Crouching as she wound her way through a pinched underground corridor, a young woman grasped a torch in one hand, soot blackening the craggy ceiling above her. Guided by stacks of stones deeper and deeper in the darkness of the cave, she finally spied her prize: a blood-red vein of...

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Half the earth relatively intact from global human influence

[Geology Page] Roughly half of Earth’s ice-free land remains without significant human influence, according to a study from a team of international researchers led by the National Geographic Society and the University of California, Davis. The study, published in the journal...

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Even If We Cut Greenhouse Gas Emissions Tomorrow, it Would Take Decades for the Earth to Start Cooling Again

[UniverseToday] If—or hopefully when—we cut our Greenhouse Gas (GHG) emissions, we won’t notice much difference in the climate. The Earth’s natural systems take time to absorb carbon from the atmosphere. We may have to wait decades for the temperatures to drop. Of course, that...

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Job Opportunities

Internships, MSc and PhD positions

PositionEmployerApplication deadline
Type: PhD Position
Geochemical evolution of Earth and other terrestrial planets
WWU Münster, Germany
30 Jun or until position is filled
Type: PhD Position
Biogeochemistry PhD scholarships in Australia
Southern Cross University, Australia
10 Jul or until position is filled
Type: PhD Position
Speciation and transport of REE in Passive Treatment Systems of the Iberian Pyrite Belt (as part of the Marie Curie Innovative Training Network “PANORAMA”)
Belgian Nuclear Research Centre (SCK CEN), Belgium
until the position is filled
Type: PhD Position
SEparating Critical metals ThrOugh mineRal crystallization (SEleCTOR)
Department of Geology, School of Natural Sciences, Trinity College Dublin, Ireland
30 Jun or until position is filled
Type: PhD Position
Evaluation and characterization of REEs toxicity in aquatic and terrestrial plant models (offer 14 of the MSCA-ITN PANORAMA)
University of Bari, Italy
15 Jun or until position is filled
Type: PhD Position
Circulation and provenance of gold coins in ancient periods thanks to the development of in situ measurements of lead, copper and iron isotopes
French National Centre for Scientific Research / University of Toulouse, France
15 Sep

PostDoctoral positions and Fellowships

PositionEmployerApplication deadline
Type: Postdoctoral Position
PDRA position in hydrometallurgy and electrochemistry
University of Exeter, United Kingdom
10 Aug
Type: Research Associate
Study of the intracellular amorphous calcium carbonate (ACC) formed by cyanobacteria for the bioremediation of alkaline earth element pollutions
Materials Science Institute; IMPMC & LCMCP, Paris, France
until the position is filled
Type: Research Associate
Postdoc position in high temperature stable isotopes geochemistry
The Université de Paris and the Institut de Physique du Globe de Paris, France
01 Aug
Type: Research Associate
Postdoc Position in Bioremediation
Guangdong Technion - Israel Institute of Technology, China
01 Sep
Type: Research Associate
Postdoctoral Researchers in Geochemistry / Petrology
Guangzhou Institute of Geochemistry, China
30 Jun or until position is filled
View job page

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