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Harry Hess Postdoctoral Research Associate in Geosciences

The Department of Geosciences at Princeton University is accepting applications for a Postdoctoral Research Associate


Earthquakes make gold veins in an instant
Scientific American
Scientists have long known that veins of gold are formed by mineral deposition from hot fluids flowing through cracks deep in Earth's crust. But a study published in Nature Geoscience has found that the process can occur almost instantaneously — possibly within a few tenths of a second.
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2013 Geochemical Fellows
GS    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The Geochemical Society and European Association of Geochemistry are pleased to announce those receiving the honor of 2013 Geochemical Fellow. Fellows elected this year include: Vickie C. Bennett, Australian National University; Jerome Chappellaz, Laboratoire de Glaciologie et Geophysique de l'Environnement; John M. Eiler, California Institute of Technology; Kenneth A. Farley, California Institute of Technology; Yingwei Fei, Carnegie Institution of Washington; Guillaume Fiquet, Universite Pierre et Marie Curie; Kliti Grice, Curtin University; Peter B. Kelemen, Lamont-Doherty Earth Observatory, Columbia University; Richard D. Pancost, University of Bristol; Frank M. Richter, University of Chicago; and Hisayoshi Yurimoto, Hokkaido University. The Geochemical Fellows will receive their honor at the 2013 Goldschmidt Conference in Florence, Italy.

Goldschmidt2013 Workshop: ExTerra
The ExTerra: Understanding Subduction through the Study of Exhumed Terranes workshop, to be held on Aug. 24-25 in Florence, Italy, is a gathering of researchers investigating three categories of exhumed rocks from subduction zones: 1) high-pressure rocks of the subducted slab, 2) middle and lower arc crust, and 3) the mantle wedge. The program will include scientific presentations (talks and posters) on current research into exhumed subduction terranes, an update on database and sample archiving efforts, and will identify localities and organizers for field forums to be held over the next few years. For more information visit GeoPRISMS or Goldschmidt2013 Workshops.
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Geochemical Career Center Postings
All jobs posted in the Geochemical Career Center are cross-promoted through our Facebook page and right here in Geochemical News.

Maersk Oil Chair in Applied Geophysics (Aarhus University, Aarhus, Denmark)

Organic Geochemist (ExxonMobil Research and Engineering Company, Annandale, NJ, USA)

Postdoctoral position: FT-ICR mass spectrometry and IR laser spectroscopy of ion clusters (Hong Kong University, Hong Kong, China)

Job Seekers: View current openings | Post your resume | Career resources

Employers: Post jobs | Search resumes | Employer resources

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New in GCA (v.106, 1 April 2013)
Denitrification in the water column of the central Baltic Sea

Fluid evolution and authigenic mineral paragenesis related to salt diapirism – The Mercator mud volcano in the Gulf of Cadiz

Increase of apatite dissolution rate by Scots pine roots associated or not with Burkholderia glathei PML1(12)Rp in open-system flow microcosms

Carbonate clumped isotope compositions of modern marine mollusk and brachiopod shells

The polar sulfur cycle in the Werenskioldbreen, Spitsbergen: Possible implications for understanding the deposition of sulfate minerals in the North Polar Region of Mars

The role of anaerobic respiration in the immobilization of uranium through biomineralization of phosphate minerals

Tungsten species in natural ferromanganese oxides related to its different behavior from molybdenum in oxic ocean

Influence of salinity intrusion on the speciation and partitioning of mercury in the Mekong River Delta

Variable effects of plant colonization on black slate uptake into microbial PLFAs

Arsenic(III, V) adsorption on a goethite-based adsorbent in the presence of major co-existing ions: Modeling competitive adsorption consistent with spectroscopic and molecular evidence

Distinguishing between Apollo 14 impact melt and pristine mare basalt samples by geochemical and textural analyses of olivine

Binding and transport of rare earth elements by organic and iron-rich nanocolloids in Alaskan rivers, as revealed by field-flow fractionation and ICP-MS

Murchison presolar carbon grains of different density fractions: A Raman spectroscopic perspective

Growth-dependent hydrogen isotopic fractionation of algal lipid biomarkers in hypersaline Isabel Lake (Mexico)

Silver in geological fluids from in situ X-ray absorption spectroscopy and first-principles molecular dynamics

Arsenic speciation in synthetic gypsum (CaSO4•2H2O): A synchrotron XAS, single-crystal EPR, and pulsed ENDOR study

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AGU-VGP Bowen Award 2013
The Bowen Award is given annually by the VGP (Volcanology, Geochemistry, Petrology) Section of the American Geophysical Union. The award recognizes outstanding contributions to volcanology, geochemistry or petrology. The contribution may be: (1) a single outstanding paper published in any journal; (2) a series of papers which, taken together, constitute an outstanding contribution; or (3) any other contribution that the Selection Committee considers worthy. Special consideration is given to nominees who have not previously received a medal. Deadline for nominations is May 1, 2013.
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Seeding Atlantic Ocean with volcanic iron did little to lower CO2
Scientific American
Plankton, tiny marine organisms, are a good way of cleansing the atmosphere of one of the main greenhouse gases, carbon dioxide. To do this they need dissolved iron to help them to grow, and if they lack iron then they cannot do much to reduce CO2 levels.
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Megavolcanoes tied to pre-dinosaur mass extinction: Apparent sudden climate shift could have analog today
Scientists examining evidence across the world from New Jersey to North Africa say they have linked the abrupt disappearance of half of earth's species 200 million years ago to a precisely dated set of gigantic volcanic eruptions. The eruptions may have caused climate changes so sudden that many creatures were unable to adapt — possibly on a pace similar to that of human-influenced climate warming today. The extinction opened the way for dinosaurs to evolve and dominate the planet for the next 135 million years, before they, too, were wiped out in a later planetary cataclysm.
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Oxygen-poor 'boring' ocean challenged evolution of early life
A research team led by biogeochemists at the University of California, Riverside has filled in a billion-year gap in our understanding of conditions in the early ocean during a critical time in the history of life on Earth. It is now well accepted that appreciable oxygen first accumulated in the atmosphere about 2.4 to 2.3 billion years ago. It is equally well accepted that the build-up of oxygen in the ocean may have lagged the atmospheric increase by well over a billion years, but the details of those conditions have long been elusive because of the patchiness of the ancient rock record.
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Missed last week's issue? See which articles your colleagues read most.

    Life below the seabed (The Scientist)
Glaciers contribute significant iron to North Atlantic ocean (ScienceDaily)
Geochemical Career Center Postings (GS)
Extreme water in Earth's interior (ScienceDaily)


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