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New challenges for mercury cleanup
More forms of mercury can be converted to deadly methylmercury than previously thought, according to a study published in Nature Geoscience. The discovery provides scientists with another piece of the mercury puzzle, bringing them one step closer to understanding the challenges associated with mercury cleanup.
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Goldschmidt2013: Thursday's Plenary and Goldschmidt Award
PLENARY. Thursday's Goldschmidt2013 plenary speaker is Dr. Robert Hazen (Carnegie Institution of Washington). His talk: Earth's Carbon Through Deep Time, will be presented at 1:15 p.m. in Palazzo dei Congressi on Thurs., Aug. 28.

GOLDSCHMIDT. Dr. Henry (Harry) Elderfield (University of Cambridge) shall be awarded the 2013 V.M. Goldschmidt Medal on Thursday at 2:30 p.m. before his talk Ocean Geochemistry and Paleoproxies.

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  EarthChem Town Hall at Goldschmidt 2013

Please join us at the EarthChem Town Hall during the Goldschmidt Conference 2013 for updates on cyberinfrastructure for geochemistry and petrology, data publication, data citation, data rescue, and other topics related to the digital management of geochemical data and samples.

Monday, August 26, at 12:30PM; Conference venue, Room L08

Geochemical Career Center

New! Tenure-Track Position in Organic Geochemistry (University of Colorado, Boulder, CO, USA)

New! Postdoctoral Researcher, Mantle Processes Group (Stanford University, Stanford, CA, USA)

Geochemistry and Habitability of Ancient Waters: Postdoctoral Position Available (University of Toronto, Toronto, ON, Canada)

Associate Isotope Geochemist or Isotop Geochemist (depending on qualifications) (Illinois State Geological Survey, Urbana-Champaign, IL, USA)

Research Lab Specialist (electron microscopy, Auger nanoscope, XRD) (University of Michigan, Ann Arbor, MI, USA)

Harry S. Truman Fellowship in National Security Science and Engineering (Sandia National Laboratories, Albuquerque, NM, USA)

Microprobe Lab Manager (Ruhr Universitaet Bochum, Bochum, Germany)

Tenure Track Position in Stable Isotope Geochemistry (Temple University, Philadelphia, PA, USA)

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.117, 15 September 2013)
Eco-environmental implications of elemental and carbon isotope distributions in ornithogenic sediments from the Ross Sea region, Antarctica

An atomic force microscopy study of the dissolution of calcite in the presence of phosphate ions

Mechanistic controls on diverse fates of terrestrial organic components in the East China Sea

Experimental dissolution vs. transformation of micas under acidic soil conditions: Clues from boron isotopes

Leaf wax n-alkane distributions in and across modern plants: Implications for paleoecology and chemotaxonomy

Acidity of edge surface sites of montmorillonite and kaolinite

Strategies of aerobic microbial Fe acquisition from Fe-bearing montmorillonite clay

High-resolution quadruple sulfur isotope analyses of 3.2 Ga pyrite from the Barberton Greenstone Belt in South Africa reveal distinct environmental controls on sulfide isotopic arrays

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New in G-Cubed
Petrological Constraints on Melt Generation Beneath the Asal Rift (Djibouti) using Quaternary basalts

Major and trace element composition of the high 3He/4He mantle: Implications for the composition of a non-chonditic Earth

Sr-Nd-Hf-Pb isotope and trace element evidence for the origin of alkalic basalts in the Garibaldi Belt, northern Cascade arc

Quantifying and understanding the uncertainty of atmospheric CO2 concentrations determined from calcic paleosols

Quaternary channels within the Northeast German Basin and their relevance on Double Diffusive Convective transport processes: Constraints from 3D thermohaline numerical simulations

Simplified mantle architecture and distribution of radiogenic power

Mineralogical assemblages forming at hyper-alkaline warm springs hosted on ultramafic rocks: A case study of Oman and Ligurian ophiolites

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Conference Calendar September Deadlines
Abstract Deadlines
Sep 19: AAPG 2014 Annual Convention & Exhibition(USA)

Registration Deadlines
Sep 06: GCIS & WCSE 2013 (China)
Sep 23: Geological Society of America Annual Meeting (USA)
Sep 27: MS&T'13: Materials Science & Technology Conference and Exhibition (Canada)

Visit the Conference Calendar for more conference links and instructions for conference organizers to submit their listings.

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Geologists uncover new mineral
Autralian Mining
Geologists at the University of California, Riverside have discovered a new mineral, which they have named qingsongite. The uniqueness of qingsongite is that it's the first boron mineral that was found to be formed at extreme conditions in deep earth.
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Seasonal carbon dioxide range expanding as more is added to Earth's atmosphere
National Science Foundation
Levels of carbon dioxide in the atmosphere rise and fall each year as plants, through photosynthesis and respiration, take up the gas in spring and summer, and release it in fall and winter. Now the range of that cycle is expanding as more carbon dioxide is emitted from burning fossil fuels and other human activities, according to a study led by scientists at the Scripps Institution of Oceanography (SIO).
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A ride on the 800,000-year roller coaster
MIT News Office
Measurements from bubbles trapped in Antarctic ice-cores reveal dramatic peaks and valleys in Earth's climate system over the last 800,000 years: Atmospheric carbon dioxide over the Antarctic drops by 100 parts per million over 100,000 years going into a glacial period, then rises steeply over less than 10,000 years as the Earth reaches the end of a glacial period.
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Missed last week's issue? See which articles your colleagues read most.

    Origins of life on Earth may help hunt for life on other planets (redOrbit)
Geologists solve martian meteorite-age puzzle (Farsnews)
Gibraltar might be the beginning of the end for the Atlantic Ocean (Ars Technica)

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


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