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Study: Nitrogen fertilizer remains in soil, leaks toward groundwater for decades
Water World
A new study from scientists in France and at the University of Calgary has found that nitrogen fertilizer applied to crops lingers in the soil and leaks out as nitrate for decades toward groundwater. Thirty years after synthetic nitrogen fertilizer had been applied to crops in 1982, about 15 percent of the nitrogen still remained in soil organic matter, the scientists found.
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GS at GSA125
The GSA 125th Anniversary meeting is in full swing this week. If you are attending, be sure to visit the GS booth (1107) as well as attend the ticketed reception tonight (Tuesday, Oct. 29) from 5:45 - 7:45 p.m., CCC Upper Level Lobby D. As an affiliate of both GSA and AGI, A Geochemical Society representative was present at a AGI/GSA joint meeting that featured a presentation on AGI's new web resource the Center for Geoscience Education and Public Understanding. The center is a web service to the geoscience, education, and public communities. Although much of the content is U.S.-centric there are resources to benefit to the international community.

Pictured: Ingerson Lecturer Rebecca Lange stands with GS President Rick Carlson in the Geochemical Society booth (1107).

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Free introductory student memberships
In early-2013, the GS introduced as a part of its International Participation Program free two-year student memberships to students from countries that are under represented in the GS. At this time, 69 memberships have been granted to students from 17 different countries.

If you are a student in a qualifying country, or know someone who is, and are not already a GS member, the 2014 application for introductory student membership is now open. In 2013, the program was supported by generous donations from 18 society members along with a contribution from the GS. If expanding the reach and support for geochemistry internationally is important to you, please consider donating to this program. Donations can be directed to this fund either at the time of membership renewal or by completing your member login and clicking the donate link. With your support, we hope to be able to introduce 100 students or more to the field of geochemistry in 2014.

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2014 Elements themes
Elements is pleased to announce the themes and guest editors for the upcoming year. Look for a detailed preview in the December 2013 issue of Elements.

February. Asteroids: Linking Meteorites and Planets. Guest Editors: Catherine Corrigan (Smithsonian Institution, Washington) and Guy Libourel (CRPG, Université de Lorraine)

April. Unconventional Hydrocarbons. Guest Editors: David R. Cole (Ohio State University) and Michael Arthur (Pennsylvania State University)

June. Kaolin: From Ancient Porcelains to Nanocomposites. Guest editors: Paul A. Schroeder (University of Georgia) and David L. Bish (Indiana University)

August. Ophiolites. Guest Editors: Yildirim Dilek (Miami University of Ohio) and Harald Furnes (University of Bergen, Norway)

October. The Cosmic Conveyor Belt Clock at the Earth's Surface. Guest editors: Friedhelm von Blanckenburg (GFZ Potsdam) and Jane Willenbring (University of Pennsylvania)

December. Graphitic Carbons. Guest editors: Olivier Beyssac (CNRS and Université Pierre et Marie Curie, Paris) and Douglas Rumble (Carnegie Institution of Washington)

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Carbon Sequestration Short Course
Given the public's interest and concern over the impact of atmospheric greenhouse gases (GHG) on global warming and related climate change patterns, this MSA/GS short course and accompanying Reviews in Mineralogy and Geochemistry volume aims to provide an authoritative summary of the fundamental geochemical and mineralogical processes associated with gas-water-mineral-interactions encountered during geological sequestration of CO2. The course will be held at the Lawrence Berkeley National Laboratory on Dec. 7-8, 2013 in conjunction with the 2013 Fall AGU meeting. Online registration is now open and limited to 110 participants. Discounted rates are available for members, and participants who register by Nov. 4, 2013. The course convenors are Donald DePaolo, David Cole, Alexandra Navrotsky and Ian Bourg.
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Geochemical Career Center

Tenure Track Assistant Professor-Geochemistry (Stony Brook University, Stony Brook, NY, USA)

Faculty Member in Geobiology or Paleobiology (UCLA, Los Angeles, CA, USA)

Research Associate in Raman Spectroscopy (University of Colorado, Boulder, CO, USA)

Assistant Professor of Coastal Systems and Geochemistry (University of Massachusetts Boston, Boston, MA, USA)

Tenured Full Professor in Organic Geochemistry (University of Oldenburg, Oldenburg, Germany)

Carnegie Postdoctoral Fellowship Positions in Geochemistry, Cosmochemistry, and Astrobiology (Carnegie Institution of Washington, Washington, DC, USA)

Assistant Professor, Isotope Geochemistry (Tulane University, New Orleans, LA, USA)

Two Assistant Professor Positions Geochemistry and Hydrogeology/Geofluids (Oklahoma State University, Stillwater, OK, USA)

Senior Research Officer (Ion Probe/SIMS) (University of Western Australia, Perth, Australia)

Assistant Professor of Organic Geochemistry (The University of Tulsa, Tulsa, OK, USA)

Final Days! Ph.D. Studentship in Mineral Surface (Geo)Chemistry (Umeaa University, Umeaa, Sweden)

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

Employers: All jobs posted in the Geochemical Career Center are cross-promoted through Facebook, Twitter and right here in Geochemical News.

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New in GCA (v.120, 01 November 2013)
Speciation of aqueous tellurium(IV) in hydrothermal solutions and vapors, and the role of oxidized tellurium species in Te transport and gold deposition

Fluid-mediated metal transport in subduction zones and its link to arc-related giant ore deposits: Constraints from a sulfide-bearing HP vein in lawsonite eclogite (Tianshan, China)

Re–Os dating of sulphide inclusions zonally distributed in single Yakutian diamonds: Evidence for multiple episodes of Proterozoic formation and protracted timescales of diamond growth

Natural age dispersion arising from the analysis of broken crystals: Part II. Practical application to apatite (U–Th)/He thermochronometry

Reevaluation of siderophile element abundances and ratios across the Cretaceous–Paleogene (K–Pg) boundary: Implications for the nature of the projectile

Comparison of pyrite (FeS2) synthesis mechanisms to reproduce natural FeS2 nanoparticles found at hydrothermal vents

Trace element, PGE, and Sr–Nd isotope geochemistry of the Panzhihua mafic layered intrusion, SW China: Constraints on ore-forming processes and evolution of parent magma at depth in a plumbing-system

Surface potential at the hematite (001) crystal plane in aqueous environments and the effects of prolonged aging in water

Understanding surface acidity of gibbsite with first principles molecular dynamics simulations

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Meteorite study suggests Mars atmosphere trapped in rocks, not lost in space
The atmosphere of Mars may not have escaped into space billions of years ago, scientists say. Instead, the bulk of Mars' carbon dioxide gas could be locked inside Martian rocks. Most of Mars' carbon dioxide vanished about 4 bildflion years ago, leaving a cold planet covered in a thin veneer of gas.
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Gold in trees leads to hidden deposits
BBC News
Money might not grow on trees, but scientists have confirmed that gold is found in the leaves of some plants. Researchers from Australia say that the presence of the particles in a eucalyptus tree's foliage indicates that deposits are buried many meters below. They believe that the discovery offers a new way to locate the sought-after metal in difficult-to-reach locations.
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Earth's core deceives scientists
Scientists have virtually denied the existing hypothesis about the formation of the Earth's core. It was believed that the metal core of all celestial bodies is formed under the same scheme. However, recent experiments demonstrated that there are other ways to form the core. It turns out that this process should be seen as unique to each celestial body.
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Missed last week's issue? See which articles your colleagues read most.

    The complicated birth of a volcano (ScienceDaily)
Granite Wars — Episode II: A new phase (Scientific American)
Crystals point to 'recycled' super-volcanic magma chambers (SpaceDaily)

Don't be left behind. Click here to see what else you missed.


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