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New NASA mission to help us learn how to mine asteroids
Space Daily
Over the last hundred years, the human population has exploded from about 1.5 billion to more than seven billion, driving an ever-increasing demand for resources. To satisfy civilization's appetite, communities have expanded recycling efforts while mine operators must explore forbidding frontiers to seek out new deposits, opening mines miles underground, at the bottom of the ocean — or even on asteroids.
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SOCIETY NEWS


Goldschmidt2013: Friday's Plenary and Wine Competition
GS
PLENARY. Friday's Goldschmidt2013 plenary is Gast Lecture speaker Sujoy Mukhopadhyay (Harvard University). His talk: Probing the Hadean World with Noble Gases, will be presented at 1:15 p.m. in Palazzo dei Congressi on Friday, Aug. 30.

WINE COMPETITION. As a special event to pass the torch from Florence to the Goldschmidt 2014 in California, a wine competition featuring wines from California and Italy has been arranged for Friday afternoon at the GS and EAG exhibit booths. Come sample and vote, and while you are there check out what we have planned for next year.

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Geochemical Society Members Honored by AGU
GS
Several members of the Geochemical Society were selected for awards by the American Geophysical Union. Bernard Wood (Oxford University and Chair of GS's Publication Advisory Committee) will receive the Harry H. Hess Medal given for "Outstanding achievements in research on the constitution and evolution of the Earth and other planets". Elected as AGU Fellows are GS members C. Page Chamberlain (Stanford University), Allan Devol (University of Washington), Katherine H. Freeman (Penn State), David W. Lea (UCSB), and Michael R. Perfit (University of Florida).
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PRODUCT SHOWCASE
  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
GS


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)
GS
Dynamic Fe-precipitate formation induced by Fe(II) oxidation in aerated phosphate-containing water

Oxygen isotope fractionation between aragonite and seawater: Developing a novel kinetic oxygen isotope fractionation model

Towards an understanding of thallium isotope fractionation during adsorption to manganese oxides

Abiotic U(VI) reduction by sorbed Fe(II) on natural sediments

40Ar/39Ar and (U–Th)/He – 4He/3He geochronology of landscape evolution and channel iron deposit genesis at Lynn Peak, Western Australia

Multiple sources of selenium in ancient seafloor hydrothermal systems: Compositional and Se, S, and Pb isotopic evidence from volcanic-hosted and volcanic-sediment-hosted massive sulfide deposits of the Finlayson Lake District, Yukon, Canada

Weathering model for the quantification of atmospheric oxygen evolution during the Paleoproterozoic

The speciation and transport of palladium in hydrothermal fluids: Experimental modeling and thermodynamic constraints

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New in G-Cubed
GS
Characterization of hyperalkaline fluids produced by low temperature serpentinization of mantle peridotites in the Oman and Ligurian ophiolites

A skeletal Sr/Ca record preserved in Dipsastraea (Favia) speciosa and implications for coral Sr/Ca thermometry in mid-latitude regions

Ten Years of soil CO2 continuous monitoring on Mt. Etna: Exploring the relationship between processes of soil degassing and volcanic activity

Open Access Degradation of mangrove tissues by arboreal termites (Nasutitermes acajutlae) and their role in the mangrove C cycle (Puerto Rico): Chemical characterisation and organic matter provenance using bulk δ13C, C/N, alkaline CuO oxidation-GC/MS and solid-state 13C NMR

A 4 kyr stalagmite oxygen isotopic record of the past Indian summer monsoon in the Andaman Islands

High-pressure, high-temperature deformation of CaGeO3 (perovskite)±MgO aggregates: Implications for multi-phase rheology of the lower mantle

Global analysis of the effect of fluid flow on subduction zone temperatures

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LATEST NEWS


The daily grind: Princeton lab uncovers the planetary past hidden in rocks
Princeton University
Possibly more intriguing than Adam Maloof inadvertently uncovering the oldest known animal fossils was what he had to do to examine them. The remains of what would turn out to be circa 650 million-year-old sponge-like animals appeared as little more than red streaks embedded in a chunk of limestone Maloof collected in Australia while originally searching for evidence of "snowball Earth," the hypothesized deep-freeze the entire planet succumbed to about 650 million years ago.
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Ancient rock etchings found in Nevada could be oldest in North America
The Associated Press via Fox News
Ancient rock etchings along a dried-up lake bed in Nevada have been confirmed to be the oldest recorded petroglyphs in North America, dating back at least 10,000 years.
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Earth's 100,000-year Ice Age cycle decoded
PTI via Money Control
Scientists have explained a new mechanism behind Earth's 100,000-year Ice Age cycle that points to the alternating influence of continental ice sheets and climate on this global climatic interchange. Science has struggled to explain fully why an ice age occurs every 100,000 years. As researchers now demonstrate based on a computer simulation, not only do variations in insolation play a key role, but also the mutual influence of glaciated continents and climate.
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Seasonal carbon dioxide range expanding as more is added to Earth's atmosphere
ScienceDaily
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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TRENDING ARTICLES
Missed last week's issue? See which articles your colleagues read most.

    New challenges for mercury cleanup (ScienceDaily)
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Don't be left behind. Click here to see what else you missed.


 

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