Goldschmidt2023

Mentor Program: Are you an experienced Goldschmidt delegate? Your help is needed!

The Goldschmidt Mentor Program is very important for helping early career delegates navigate the conference. For the program to be successful, we need to have enough mentors across all fields. 

As we usually have many more mentees than mentors, we are asking all experienced delegates planning to attend the conference in-person or remotely to strongly consider participating and to inform us of their intent to be a mentor.

Click the button below to find out more and to express your intent to be a mentor today!

Society News

2023 Council Election Results

The 2023 EAG Council Elections closed on 10 November, with participation reaching 37%. We thank EAG members for their participation and are especially grateful to all candidates for agreeing to stand for election.

We are delighted to announce that Raúl Fonseca (Ruhr-University Bochum) and Silke Merchel (University of Vienna) were elected to the Council, and we look forward to welcoming them in January 2023.

2022 Distinguished Lecture Tour 

We are very happy to announce that the Distinguished Lecture Program is back to its in-person format and that Bernard Marty will be visiting 3 institutions in Hungary and Romania in December to present a lecture on the origin of life-forming volatile elements in the inner Solar System.

This program is entirely funded by EAG to promote geochemistry in under-represented regions of the world.

Monday 5 December: Research Centre for Astronomy and Earth Sciences, Budapest, Hungary

Tuesday 6 December: University of Bucharest, Romania

Wednesday 7 December: Babes-Bolyai University, Cluj-Napoca, Romania

Organizing a short course or conference in Europe or online in 2023? Apply for EAG sponsorship by 30 November!

The EAG Short Course and Conference Sponsorship Program is open to EAG members organizing a short course or small conference in Europe focused on special topics or techniques from the broad field of geochemistry. The program aims to directly support student attendance at the event. 

For events taking place in 2023, the application deadline is 30 November 2022.

Applications for online as well as hybrid and in-person events will be considered.

EAG Student Sponsorship Program: apply by 1 December

The EAG Student Sponsorship Program supports onsite participation at events held in Europe, or online participation at events held anywhere in the world. Successful applicants will receive sponsorship of up to 500 euros to cover registration, abstract fees, and travel expenses where applicable. Applicants may be based in any country.

Next application deadline: 1 December

Join the EAG or Renew your Membership for 2023

Your EAG membership provides you with many benefits, including discounted registration for Goldschmidt2023, online and print issues of publications, access to the members' platform and forum, eligibility to apply for support from EAG Early Career programs, and much more! Join the EAG or renew your membership for 2023 from now!

2023 Membership Rates

Students: 1 year - 15€ | 3 years - 35€

Professionals: 1 year - 30€ | 5 years - 120€ | 10 years - 240€

Elements April issue: Organic Biomarkers

Biomarkers are molecular fossils that are preserved in a wide range of environmental archives (e.g., soils, sediments, sedimentary rocks, and petroleum systems). This issue introduces biomarkers and their compound­specific stable isotope compositions to study fundamental biogeochemical processes and their application as proxies for environmental and climate reconstructions. Molecular biosignatures can be used to study the evolution of life, transitions in ocean plankton over time, the microbiota of extreme environments such as hydrothermal systems and the deep­ crustal biosphere, and to search for signs of life beyond Earth. Important new discoveries are typically the result of the development and deployment of improved instrumental techniques, multidisciplinary research  approaches, and the combination of organic biogeochemistry with the new tools of molecular biology.

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).

EAG Members Forum

Featured on the forum! Social Media for Scientists: What is the best platform and why?

The EAG Forum is a place for EAG members to connect with fellow members, ask questions and share experiences. This month, we ask "As scientists, which social media platforms do you like to use, and why?"

If you are an EAG member, head to the 'Outreach & Society' category on the forum to share your thoughts on social media for scientists! 

Important Dates and Deadlines

EAG and Goldschmidt deadlines

15 November: Urey, Science Innovation, Houtermans Awards nomination deadline

30 November: EAG Short Course and Conference Sponsorship application deadline

1 December: EAG Student Sponsorship application deadline

10 January: R. Berner Lecture nomination deadline

Other geochemistry related events

20 November: IAVCEI 2023 Scientific Assembly early registration deadline

31 December: 4th Virtual Workshop on Recent Developments and Applications in Earth Sciences of Electron Probe Micro-Analysis registration deadline

10 January: EGU General Assembly 2023 abstract deadline

Ongoing Weekly: Pal(a)eo PERCS

Ongoing Weekly: Seds Online

Ongoing Weekly: Ore Deposits Hub - Open Geoscience Talks

Ongoing Fortnightly: Astrochemistry Discussions

Ongoing: Climate Now - Live conversations with climate experts

Ongoing: Gneiss Chats - Free geoscience podcast series

Ongoing: MicroSeminars - Microbiology seminar series

New in Geochemical Perspectives Letters

Secular variability in zircon phosphorus concentrations prevents simple petrogenetic classification 

Phosphorus (P) concentrations in zircon have been used to discriminate their derivation from metaluminous versus strongly peraluminous granites (SPGs) based on the empirical observation of lower P concentrations in zircon from Phanerozoic SPGs reflect enhanced

Quantifying seawater exchange rates in the Eocene Arctic Basin using osmium isotopes
 

The closure of seaways that connected the Arctic Ocean to the global ocean during the early Paleogene led to severe hydrographic restriction. We present new osmium isotope data from organic-rich sediments deposited in the central Arctic Ocean during...

The Solar System calcium isotopic composition inferred from Ryugu samples

The Hayabusa2 spacecraft has returned samples from the Cb-type asteroid (162173) Ryugu to Earth. Previous petrological and chemical analyses support a close link between Ryugu and CI chondrites that are presumed to be chemically the most...

Sun flare activity may solve unknown source of helium-3 in the atmosphere

Helium abundance measurements in the atmosphere suggest a supply of crustal 4He from natural gas extraction since the beginning of the 20th century. However, the 3He/4He ratio of air appears near constant, which calls for an unknown source of 3He....

Molybdenum isotopes in plume-influenced MORBs reveal recycling of ancient anoxic sediments 

Under modern oxidising Earth surface conditions, dehydrated subducted slabs show Mo isotope compositions as low as δ98/95Mo = −1.5 ‰, compared to the depleted mantle δ98/95Mo = −0.2 ‰. Such light Mo isotope compositions reflect the redox dependent....

Isotopic evidence of sulfur photochemistry during lunar regolith formation 

Lunar gardening results in volatile mobilisation and stable isotopic fractionations that are mass dependent. An unambiguous role for mass independent fractionation (MIF), such as that produced by photochemistry, has not been demonstrated on the Moon. We observe MIF for sulfur isotopes in lunar soil....

Geochemistry Making the News

Astronomers Spot the Debris From Planets That Formed 10 Billion Years ago

[Universe Today] The fate of the Sun is sealed. It was sealed by gravity in the earliest days of its formation. In several billion years the Sun will swell to a red giant, cast off much of its thin outer layers, then collapse to become a white dwarf...

Life on Mars? Australian rocks may hold clues for Nasa rover 

[BBC News] Rocks in the Australian Outback dating back 3.5 billion years may help scientists work out whether there has ever been life on Mars. Researchers studying the Australian rocks say only ancient microbes could have shaped them.....

Decreased Oxygen Availability Caused Earth's First Mass Extinction Event

[Universe Today] 650 million years ago, Earth was completely or almost completely frozen, according to the Snowball Earth Hypothesis. As the atmosphere changed and Earth warmed up, it heralded the beginning of the Ediacaran Period...

NASA’s Curiosity Mars Rover Reaches Long-Awaited Salty Region

[JPL] The rover has arrived at a special region believed to have formed as Mars’ climate was drying. After journeying this summer through a narrow, sand-lined pass, NASA’s Curiosity Mars rover recently arrived in the “sulfate-bearing unit,” ...

Share your research! To include a press release on your recent research in the EAG Newsletter, please complete the form here.

Job Opportunities

EAG Partners

IAVCEI 2023 - Early registration deadline: 20 November

IAVCEI 2023, the Scientific Assembly of the International Association of Volcanology and Chemistry of the Earth’s Interior, will take place in Rotorua, New Zealand from 30 January – 3 February 2023.

Register by 20 November 2022 to take advantage of the early bird rates. 

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