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New issue of Geochemical Perspectives
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My Stable Isotope Journey in Biogeochemistry, Geoecology, and Astrobiology - by Marilyn L. Fogel
Marilyn Fogel’s Geochemical Perspectives describes her career in stable isotope biogeochemistry and ecology and how she has studied carbon, nitrogen, hydrogen, and oxygen isotopes as tracers for chemical and biological processes. She’s studied both modern, fossil, and astrobiological materials to understand how biogeochemical cycles have changed over time, in particular how humans might be shaping ecosystems around the globe.
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Marilyn L. Fogel is Professor of Earth and Environmental Sciences and Director of the EDGE Institute at the University of California, Riverside, and she is the first female scientist writing a Geochemical Perspectives issue. You can find out more about her life, career and research in her blog at http://isotopequeen.blogspot.com/ and watch this short documentary.
Current EAG members receive print copies of new issues of Geochemical Perspectives as part of their membership and can purchase print copies of past issues at reduced rates. Log in to your member area to make sure your postal address is up to date.
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EAG Short Course and Conference Sponsorship program: Apply by 1 November
The EAG Short Course and Conference Sponsorship Program is open to EAG members organising a short course or small conference in Europe focused on special topics or techniques from the broad field of geochemistry. The program provides up to 200€ per student to support student attendance at the event.
For events taking place in 2020, the deadline for applications is 1 November 2019.
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2019 Distinguished Lecture Tour
Autumn marks the start of the annual EAG Distinguished Lecture Program (DLP), and in November, this year's DLP lecturer Prof. Karen Hudson-Edwards (University of Exeter, UK) will set off for Central and Eastern Europe, where she will give a series of lectures on mining and its impacts on ecosystem and human health.
Click on the button below for the tour schedule, and stay tuned for updates here.
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Elements October issue: Catastrophic Perturbations to Earth's Deep Carbon Cycle
Carbon is one of the most important elements on Earth. It is the basis of all life on the planet, is stored and mobilized throughout the Earth from core to crust, and is the basis of the energy sources that are so important to human civilization. This issue will explore the origins of carbon on Earth; the long-term carbon cycle; catastrophic and large-scale perturbations to Earth’s carbon cycle such as large igneous provinces and bolide impacts; carbon’s role in mass extinctions; and icehouse–greenhouse climate transitions in deep time. Deciphering the complex, and often faint, signals of distant carbon catastrophes requires a multidisciplinary effort and the most innovative analytical technology...
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Current EAG members will soon receive their print copies of Elements. Members also have online access to all back issues (user id = email address, password = EAG membership number). To find your membership number, login to your member area.
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Share your suggestions
Getting feedback and input from the community is important for building a thriving society that meets the needs of its members at all stages of their careers. If you have an idea about new activities, how to build on existing initiatives, or have a particular question you would like to put to the EAG council or committees, we now have a dedicated email address for you: contact us at feedback@eag.eu.com.
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Important Dates and Deadlines
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A summer of speleothem science
[By Giuseppe Lucia] The S4 Summer School on Speleothem Science took place in the city of Cluj-Napoca (Romania) from August 11th to 17th, 2019. The event consisted of a four-day full immersion in the world of speleothems and caves, with lectures given by speleothem science experts.Topics included speleothem formation, petrography, the use carbon and oxygen isotopes as proxies of past climatic variations, how trace elements...
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New in Geochemical Perspectives Letters
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A secretive mechanical exchange between mantle and crustal volatiles revealed by helium isotopes in 13C-depleted diamonds
Fluid inclusions trapped in fast-growing diamonds provide a unique opportunity to examine the origin of diamonds, and the conditions under which they formed. Eclogitic to websteritic diamondites from southern Africa show 13C-depletion and…
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Mercury reallocation in thawing subarctic peatlands
Warming Arctic temperatures have led to permafrost thaw that threatens to release previously sequestered mercury (Hg) back into the environment. Mobilisation of Hg in permafrost waters is of concern, as Hg methylation produced under water-saturated conditions results in the neurotoxin, methyl Hg (MeHg). Thawing permafrost may enhance Hg export, but the magnitude and mechanisms of this mobilisation within Arctic ecosystems remain poorly...
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Evidence for anorthositic crust formed on an inner solar system planetesimal
During the first million years of solar system history, planetesimals experienced extensive melting powered by the radioactive decay of 26Al (Lee et al., 1977). To date, the only known anorthositic crust on a solar system...
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Abiogenesis not required to explain the origin of volcanic-hydrothermal hydrocarbons
Abiotic formation of n-alkane hydrocarbons has been postulated to occur within Earth's crust. Apparent evidence was primarily based on uncommon carbon and hydrogen isotope distribution patterns that set methane…
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Geochemistry Making the News
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The tiny algae at ground zero of Greenland's melting glaciers
[The Guardian] Behind the remote research huts of Sermilik ice station, a vast sheet of ice stretches north for 1,480 miles, spanning an area three times the size of France...
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Scientists discover entirely new mineral hiding out in South Africa
[BGR via MSN.com] We generally have a pretty solid grasp of what kinds of materials exist in Earth’s crust, but despite centuries of study, sometimes our planet...
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Leaky at the Core
[EOS] Earth’s core is a hot, dense reservoir driving geological processes from the heart of our planet. The core is often described in two parts: a solid iron-nickel...
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Birth of a class of nanomaterial
[Nature] In 1992, Kresge et al.1 reported a breakthrough in materials science. They described multimolecular templates that guide the assembly of ordered mesoporous...
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New evidence shows how asteroid dust cloud may have sparked new life on Earth 470m years ago
[The Guardian]Astronomers have discovered intriguing evidence that an asteroid break-up blanketed Earth with dust millions of years ago. The event…
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Underwater volcano belched explosive bubbles larger than a stadium
[Science] Two years ago, a barely submerged volcano in Alaska’s Aleutian Islands released giant bubbles of gas, some of which were broader than the world’s....
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Enigmatic origin of diamond-bearing rocks revealed
[Nature] Rare volcanic rocks known as kimberlites are produced from magmas that originate in Earth’s mantle and then erupt onto the planet’s surface. These rocks have a violent...
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'Ozone hole vigilance still required'
[BBC] The recovery of the ozone layer over Antarctica cannot be taken for granted and requires constant vigilance. That's the message from Dr Jonathan Shanklin...
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Internships, MSc and PhD positions
| Position | Employer | Application deadline |
Type: PhD Position
ENAC - PhD position to investigate the microbial community dynamics during variable hydrological forcing | EPFL - Environmental Microbiology Laboratory, Switzerland
| until the position is filled | Type: PhD Position
Microbial life and activity on glaciers and in Arctic soils | Queen Mary University of London, United Kingdom
| until the position is filled | Type: PhD Position
Microbial survival in the energy-limited deep biosphere. | Queen Mary University of London, United Kingdom
| until the position is filled | Type: PhD Position
PhD Position at University of Waterloo, Canada | University of Waterloo, Canada
| until the position is filled | Type: PhD Position
Origin of the Marion Rise and the evolution of the mantle in the SW Indian ocean | Geological Sciences / Freie Universitat Berlin, Germany
| until the position is filled | Type: PhD Position
PhD Position in Noble Gas Cosmochemistry | The Isotope Geochemistry Group of the Institute for Geochemistry and Petrology at ETH Zurich, Switzerland
| 11 Oct or until position is filled | Type: PhD Position
PhD fellowship in cosmochemistry and planetary sciences at Globe Institute | Centre for Star and Planet Formation, GLOBE Institute, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| 01 Nov | Type: PhD Position
PhD position in lake greenhouse gases in Australia | Southern Cross University, Australia
| 08 Nov or until position is filled | Type: PhD Position
PhD position in coral reef biogeochemistry in Australia | Southern Cross University, Australia
| 08 Nov or until position is filled | Type: PhD Position
PhD position in the geomicrobiology and biogeochemistry of heat production and biofouling in mine water geothermal energy recovery. | Department of Geography and Earth Sciences & Institute of Biological, Environmental and Rural Sciences Aberystwyth University. Project partners - British Geological Survey and Cardiff University, United Kingdom
| 15 Nov |
PostDoctoral positions and Fellowships
| Position | Employer | Application deadline |
Type: Research Associate
Development and test of nano zero-valent iron for in-situ treatment of anoxic arsenic contaminated groundwater | Soil Chemistry, Department of Soil and Environment, Swedish University of Agricultural Sciences, Uppsala, Sweden
| 19 Aug | Type: Research Associate
High pressure and high temperature experimental investigation of the deep Earth’s cycling of heavy halogen elements | IMPMC, Sorbonne University, Campus Jussieu, PARIS, France
| 30 Nov or until position is filled | Type: Research Associate
Hydrogen (H2) reversible adsorption on clays minerals for land-based applications
| University Grenoble Alpes, ISTerre lab, France
| 30 Sep or until position is filled | Type: Research Associate
Impact of environmental conditions on the 3-hydroxy fatty acid
profile of soil bacteria | Biogeochemistry department, UMR METIS, Sorbonne University, Paris, France
| 15 Dec or until position is filled | Type: Research Associate
2 years postdoctoral position in Mineralogy and Geochemistry of Seafloor Hydrothermal Systems | Institute of Science and Environment (ISE) of the University of Saint Joseph (USJ), Macau
| 08 Nov | Type: Research Associate
Postdoc in Cosmochemistry / High-temperature Geochemistry | Geological Sciences / Freie Universitat Berlin, Germany
| until the position is filled | Type: Research Associate
Seeking highly motivated candidates who have a PhD in organic geochemistry (or closely related field), preferably with experience in analyzing intact/non-intact polar lipids (IPLs and PLs). | Saint Mary's University, Halifax, Nova Scotia, Canada
| 16 Nov or until position is filled | Type: Research Associate
Experimental study of mercury isotopic fractionation in the presence of photosynthetic micro-organisms | French CNRS, IPREM Institute, Pau, France
| 20 Oct | Type: Research Associate
Postdoctoral position at ISTERRE and Subatech
in materials chemistry and physics: Hydrogen (H2) uptake and physisorption mechanism in micro- and nano-porous systems. Application to clayrock-hosted nuclear waste repositories | CNRS, ISTerre Lab, Grenoble, France
| until the position is filled |
Faculty, Technical and other positions
| Position | Employer | Application deadline |
Type: Other
Faculty Position in Crust/Lithosphere Evolution | University of California, Davis, United States
| 20 Oct | Type: Other
Assistant Professor (tenure-track) - Earth Data Science | Earth, Ocean and Atmospheric Sciences Department, University of British Columbia, Canada
| 17 Nov | Type: Academic (faculty positions)
Lecturer/Senior Lecturer – Marine Nutrient Biogeochemistry | The Scottish Association for Marine Science (SAMS), United Kingdom
| 18 Oct | Type: Other
Research Engineer in Isotopic Geochemistry | IFP energies nouvelles, France
| until the position is filled | Type: Other
Lab manager for gas source mass spectrometry lab | University of St Andrews, United Kingdom
| 18 Oct | Type: Other
Assistant Professor in Earth Surface Processes | University of California, Merced, United States
| 30 Jun | Type: Other
Assistant Professor, Earth Materials
School of the Environment, Washington State University
| Earth Science Program, School of the Environment, Washington State University, United States
| 02 Dec or until position is filled |
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Copyright © European Association of Geochemistry
Credit banner image: David Benavente, 2017 Photo Contest Winner
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