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Bridgmanite: World's most abundant mineral finally named
Phys.Org
A team of geologists in the U.S. has finally found an analyzable sample of the most abundant mineral in the world allowing them to give it a name: bridgmanite. In their paper published in the journal Science, the team describes how they were able to analyze a sample of the mineral in a meteorite. Thomas Sharp of Arizona State University offers an analysis of the research in the same journal issue.
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SOCIETY NEWS


2015 Membership Drive continues
GS
Thank you to the hundreds of members who have already renewed your memberships! The office has experienced a heavy backlog with so many renewals coming in, but it should be caught up this week. If you have not done so, please take a moment to renew online. Through Jan. 31, 2015, members receive the early renewal rate ($30 USD for professionals; $10 USD for students). Please contact us at any time with your member needs or questions and thank you for being a part of the Geochemical Society.
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Goldschmidt2015: Call for Sessions
GS
The Goldschmidt2015 call for sessions is now open. The science committee would like to invite the community to review the list of sessions proposed and suggest new sessions where the subject matter would not be covered by the existing list. You should be confident that any session you propose will attract at least 25 abstract submissions to the conference. The call for sessions will run until Dec. 15 so you have until then to submit your session title, list of convenors, description and possible speakers. After Dec. 15 the full list of sessions will be reviewed and all those suggesting sessions will informed of their status by Jan. 20 ready for abstract submission to begin on Feb. 15. If your session is accepted into the final program you will be expected to confirm the details including a possible keynote speaker by Feb. 5. Please do not confirm invitations to speakers until your session is accepted.
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Geochemical Career Center
GS


New! Postdoctoral Associate (Stony Brook University, Stony Brook, NY, USA)




University Lecturer in Earth Sciences (University of Cambridge, Cambridge, UK)




Tenured or Tenure-Track Faculty: Sustainable Mining Geomicrobiologist (UMD, Duluth, MN, USA)




Experimental and Computational Geochemistry Postdoctoral Fellow (multiple openings) (Lawrence Berkeley National Laboratory, Berkeley, CA, USA)




Post-doctoral Fellowship or Research Associateship Geochemical Data Integration (CMIC-NSERC Exploration Footprints Network, Sudbury, ON, Canada)




Postdoctoral Fellowship in Lunar & Asteroid Exploration Science - Petrology and Geochemistry (Lunar and Planetary Institute, Houston, TX, USA)




Faculty Position in Environmental Chemistry and Engineering (Pontificia Universidad Coatolica de Chile, Santiago, Chile)




Associate Research Scientist (Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, USA)




Post Doctoral Appointee (Indiana University, Bloomington, IN, USA)




Assistant Professor in Water Science, The University of Texas at Austin (Austin, TX, USA)




Postdoctoral Research Assistant in Geochemistry (University of Oxford, Oxford, United Kingdom)




Postdoctoral Research Associate in Aquatic Biogeochemistry (University of Florida, Gainesville, FL, 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.144, 1 November 2014)
GS
Aragonite, breunnerite, calcite and dolomite in the CM carbonaceous chondrites: High fidelity recorders of progressive parent body aqueous alteration

Tungsten speciation in sulfidic waters: Determination of thiotungstate formation constants and modeling their distribution in natural waters

Seasonal variability of branched glycerol dialkyl glycerol tetraethers (brGDGTs) in a temperate lake system

Sulfate reduction and methane oxidation activity below the sulfate-methane transition zone in Alaskan Beaufort Sea continental margin sediments: Implications for deep sulfur cycling

The influence of extraterrestrial material on the late Eocene marine Os isotope record

Properties and reactivity of Fe-organic matter associations formed by coprecipitation versus adsorption: Clues from arsenate batch adsorption

Terminal particle from Stardust track 130: Probable Al-rich chondrule fragment from comet Wild 2

Petrography, geochronology and source terrain characteristics of lunar meteorites Dhofar 925, 961 and Sayh al Uhaymir 449

Estimating the lunar mantle water budget from phosphates: Complications associated with silicate-liquid-immiscibility

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New in G-Cubed (v.15, issue 10)
GS
Cenozoic epeirogeny of the Arabian Peninsula from drainage modeling

Geochemical insights into the role of metasomatic hornblendite in generating alkali basalts†

Absolute plate motions and regional subduction evolution

Estimating shallow water sound power levels and mitigation radii for the R/V Marcus G. Langseth using an 8 km long MCS streamer

Sulfur isotope evolution in sulfide ores from Western Alps: Assessing the influence of subduction-related metamorphism

The dynamics of global change at the Paleocene-Eocene thermal maximum: A data-model comparison

A geodetic plate motion and Global Strain Rate Model

Provenance of the Late Quaternary sediments in the Andaman Sea: Implications for monsoon variability and ocean circulation

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GEOCHEMISTRY IN THE NEWS


The deep carbon cycle: Implications for volcanism, diamonds and life
Deep Carbon Observatory
A thorough understanding of Earth's global carbon cycle is critical for many scientific disciplines. While much research has focused on carbon cycling in the lithosphere, processes occurring in Earth's deep crust and mantle have proved challenging to study. In a new paper in Nature Geoscience, DCO's Dimitri Sverjensky (Johns Hopkins University, USA), Vincenzo Stagno (Carnegie Institution of Washington, USA) and Fang Huang (Johns Hopkins University, USA) provide new insight into the behavior of carbon in supercritical aqueous fluids in Earth's upper mantle and lower crust.
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Asteroid impacts on Earth make structurally bizarre diamonds
ASU via Space Ref
Scientists have argued for half a century about the existence of a form of diamond called lonsdaleite, which is associated with impacts by meteorites and asteroids. A team of scientists based mostly at Arizona State University now shows that what has been called lonsdaleite is in fact a structurally disordered form of ordinary diamond.
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TRENDING ARTICLES
Missed last week's issue? See which articles your colleagues read most.

    Adjusting Earth's thermostat, with caution (Harvard School of Engineering and Applied Sciences via ScienceDaily)
40 years of scratching reveals ocean acidification data (Climate Central)

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


 

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