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Ancient, hydrogen-rich waters discovered deep underground at locations around the world
University of Toronto
A team of scientists, led by the University of Toronto's Barbara Sherwood Lollar, has mapped the location of hydrogen-rich waters found trapped kilometres beneath Earth's surface in rock fractures in Canada, South Africa and Scandinavia. Ths could lead to a quantum change in our understanding of how much of Earth's crust may be habitable.
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SOCIETY NEWS


ELEMENTS: Graphitic Carbon
GS
The December issue of Elements magazine (volume 10, issue 6) is in press. "Graphitic Carbon, with its diverse structures and unique properties, is everywhere at Earth's surface. Strategically located at the interface between the lithosphere, biosphere, hydrosphere, and atmosphere, graphitic carbon constitutes a major terrestrial carbon reservoir. Natural and synthetic graphitic carbon is also used in a broad range of applications. Graphitic carbon has played an important role in human history (for example, coal mining) and is now a building block of nanotechnology, but this remarkable material is also an active player in geological processes." From Beyssac and Rumble, Elements 10: 415-420.

Current Geochemical Society members can access this issue now via the Elements online archive using your email address (UserID) and member number (Password).

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PRODUCT SHOWCASE
  Analab Corrosion Resistant Laboratory Appliances

Analab manufacture corrosion resistant laboratory appliances such as acid vapour cleaning stations, hotplates, and sample preparation devices. Our devices can be used with a wide range of acids and bases (HF to NH4OH). We are represented in North America by Isomass Scientific.

Please visit our website for upcoming conferences.
 


Geochemical Career Center
GS


New! Scripps Institution of Oceanography Postdoctoral Position (UC San Diego, La Jolla, CA, USA)




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)




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




Final Days! Post Doctoral Appointee (Indiana University, Bloomington, IN, USA)




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


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

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New in GCA (v.146, 1 December 2014)
GS
Variations in the uranium isotopic compositions of uranium ores from different types of uranium deposits

Oxygen isotopes in cosmic spherules and the composition of the near Earth interplanetary dust complex

Eoarchean crustal evolution of the Jack Hills zircon source and loss of Hadean crust

Uranium isotope systematics of ferromanganese crusts in the Pacific Ocean: Implications for the marine 238U/235U isotope system

Copper and iron isotope fractionation during weathering and pedogenesis: Insights from saprolite profiles

Spectroscopic characterization of the coordination chemistry and hydrolysis of gallium(III) in the presence of aquatic organic matter

Trace metal (Mg/Ca and Sr/Ca) analyses of single coccoliths by Secondary Ion Mass Spectrometry

Structure, stability and geochemical role of palladium chloride complexes in hydrothermal fluids

Uncoupled O and Hf isotopic systems in zircon from the contrasting granite suites of the New England Orogen, eastern Australia: Implications for studies of Phanerozoic magma genesis

Adsorption of radium and barium on goethite and ferrihydrite: A kinetic and surface complexation modelling study

Kinetic and metabolic isotope effects in coral skeletal carbon isotopes: A re-evaluation using experimental coral bleaching as a case study

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New in G-Cubed (v.15, issue 11)
GS
Quantifying temporal variations in landslide-driven sediment production by reconstructing paleolandscapes using tephrochronology and lidar: Waipaoa River, New Zealand

Shallow methane hydrate system controls ongoing, downslope sediment transport in a low-velocity active submarine landslide complex, Hikurangi Margin, New Zealand

Lucky Strike seamount: Implications for the emplacement and rifting of segment-centered volcanoes at slow spreading mid-ocean ridges

Eruptive history and magmatic stability of Erebus volcano, Antarctica: Insights from englacial tephra

[Open Access] Deep water recycling through time

Incorporating 3-D parent nuclide zonation for apatite 4He/3He thermochronometry: An example from the Appalachian Mountains

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GEOCHEMISTRY IN THE NEWS


STEPPE Call for Workshop Proposals
STEPPE
The STEPPE Coordinating Office is seeking proposals for workshops to enable multi-disciplinary teams to come together to develop large multi-investigator proposals for external funding. Grants will be up to $15,000 to pay for travel and participant costs. A successful proposal will link at least three main science domains that commonly operate independently. The focus should be on processes and prediction, however, better methods of analysis and characterization that are linked to physical, chemical or biological processes may be a critical part of a proposal as well. Proposals are due by February 15, 2015, with funding decisions made by March 15, 2015. For more information and to submit your proposal visit the STEPPE website.
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Warmer Pacific Ocean could release millions of tons of seafloor methane
University of Washington
Off the West Coast of the United States, methane gas is trapped in frozen layers below the seafloor. New research from the University of Washington shows that water at intermediate depths is warming enough to cause these carbon deposits to melt, releasing methane into the sediments and surrounding water.
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Exciting new findings about Martian methane
Air & Space
The latest results from the Curiosity rover team are putting a new twist on the Martian methane mystery. Chris Webster of the Jet Propulsion Laboratory and colleagues published a paper in Science magazine in which they report that methane concentrations in the Martian atmosphere are generally quite a bit lower than reported from previous studies. But the rover also has observed sudden peak releases of methane at Gale Crater — from unidentified local sources.
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Rover data suggest Mars crater once contained long-lived lake
Spaceflight Now
Scientists analyzing imagery from NASA's Curiosity Mars rover believe sediments left by an ancient lake more than 3 billion years ago formed a towering mountain that is set to be the robot's research subject for the rest of its mission on the red planet.
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Scientists observe the Earth grow a new layer under an Icelandic volcano
University of Leeds via ScienceDaily
New research into an Icelandic eruption has shed light on how the Earth's crust forms, according to a paper published in the journal Nature.
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TRENDING ARTICLES
Missed last week's issue? See which articles your colleagues read most.

    Abandoned wells can be 'super-emitters' of greenhouse gas (Princeton University via Science Daily)
Before an asteroid wiped out the dinosaurs, Earth experienced a short burst of intense volcanism (Massachusetts Institute of Technology via Phys.org)

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


 

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