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New approach to explaining evolution's big bang
The New York Times
The name Myllokunmingia may not ring a bell, but it is worth knowing. This 520-million-year-old creature was the size of a guppy, with a tiny swordfish-like fin running high over its back. The fossils it has left behind preserve traces of a skull. Humans have a skull, too. This and a number of other traits we share with Myllokunmingia reveal it to be one of the oldest, most primitive vertebrates yet found. It is, in other words, a hint of where we came from.
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SOCIETY NEWS


Call for Award Nominations
GS
2014 Award Nominations are due Oct. 15. Through the committed efforts of the 2014 Award Nomination committee, whose sole task is to reach out to the community to identify and solicit nominations for worthy award candidates, we have made strides in increasing the number of nominations, but we still need your help. The award committees cannot select candidates who are not nominated, so as we urged right after Goldschmidt2013, and again with regard for the need for nomination diversity, please help make a difference by submitting a nomination. And thank you to those who have already submitted nominations or are in preparations, your nominations are invaluable to the process.
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CO2 Sequestration Short Course
GS
Early registration ends on Oct. 7 for the Reviews in Mineralogy and Geochemistry Short Course Geochemistry of Geological CO2 Sequestration held at the Lawrence Berkeley National Laboratory on Dec. 7-8 in conjunction with the AGU Fall Meeting. GS Members benefit from a member discount ($20 off for student members, $80 off for professional members). The short course 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 convenors are Donald DePaolo, David Cole, Alexandra Navrotsky and Ian Bourg.
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PRODUCT SHOWCASE
  Data Management for Geochronology &Thermochronology

Geochron is EarthChem’s data management system for geochronological and thermochronological studies. Working with EARTHTIME and other expert groups from the Ar-Ar, U-Pb, (U-Th)/He, and CRN communities, Geochron has established a workflow to transfer data from reduction programs to the database and uses IGSN identifiers. Visit Geochron!
 


Geochemical Career Center
GS


New! 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)




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




Application Specialist - Gas Isotope MS (m/f) (Thermo Scientific, Germany)




Postdoctoral and/or PhD position(s) for Re-Os geochemistry of shale's and hydrocarbons (Colorado State University, Fort Collins, CO, USA)


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




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



Final Days! Tenure-Track Position in Organic Geochemistry (University of Colorado, Boulder, CO, 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.119, 15 October 2013)
GS
An experimental study of the solubility of Gallium(III) oxide in HCl-bearing water vapour

Cu(II) incorporation to schwertmannite: Effect on stability and reactivity under AMD conditions

Seasonal cycles in radium and barium within a subterranean estuary: Implications for groundwater derived chemical fluxes to surface waters

Zircon solubility in aqueous fluids at high temperatures and pressures

Pore-scale heterogeneous reaction rates on a dissolving limestone surface

Pelagic molybdenum concentration anomalies and the impact of sediment resuspension on the molybdenum budget in two tidal systems of the North Sea

Coupled reactions and silica diffusion during serpentinization

Biological oxidation of Fe(II) in reduced nontronite coupled with nitrate reduction by Pseudogulbenkiania sp. Strain 2002

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New in G-Cubed
GS
The giant pacific oyster (crassostrea gigas) as a modern analogue for fossil ostreoids: isotopic (Ca, O, C) and elemental (Mg/Ca, Sr/Ca, Mn/Ca) proxies

Nanometer-scale characterization of microscopic pores in shale kerogen by image analysis and pore-scale modeling

Sulfur degassing at Erta Ale (Ethiopia) and Masaya (Nicaragua) volcanoes: Implications for the degassing processes and oxygen fugacities of basaltic systems

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LATEST NEWS


Geologists simulate deep earthquakes in the laboratory
TG Daily
More than 20 years ago, geologist Harry Green, now a distinguished professor of the graduate division at the University of California, Riverside, and colleagues discovered a high-pressure failure mechanism that they proposed then was the long-sought mechanism of very deep earthquakes (earthquakes occurring at more than 400 km depth). The result was controversial because seismologists could not find a seismic signal in the Earth that could confirm the results. But seismologists have now found the critical evidence.
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TRENDING ARTICLES
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