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Harry Hess Postdoctoral Research Associate in Geosciences

The Department of Geosciences at Princeton University is accepting applications for a Postdoctoral Research Associate




 



Big deal, little fanfare over global pact on mercury controls
Los Angeles Times    Share    Share on FacebookTwitterShare on LinkedinE-mail article
It's a highly toxic element that travels the world in mysterious ways, respects neither man-made nor natural boundaries and rapidly accumulates in people and the food they eat. Mercury's risks for human and environmental health have slowly but steadily come to light over the centuries, leading to ad hoc phase-outs of mercury-filled thermometers, dental amalgam and the felt-hat-shaping compound that caused brain damage in 19th century milliners, giving rise to the term "mad as a hatter." More





 Society News


Goldschmidt2012 abstracts available on MinMag
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Abstracts from the Goldschmidt2012 conference in Montreal are available online for download through the Mineralogical Society's Mineralogical Magazine.


G-cubed subscriptions again available to GS Members

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The Geochemical Society has re-vitalized an agreement with the American Geophysical Union (AGU) to allow GS members to subscribe to the online journal Geochemistry, Geophysics, Geosystems (G-cubed). Subscription rates for 2013 are US $86 for Professionals and Senior, and US $43 for Students.

To subscribe to G-cubed through GS, log in to our online membership form select your membership type and select G-cubed subscriptions (IMPORTANT: If you have already paid your 2013 membership dues, please check the appropriate box on the form).



Membership renewal deadline

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Jan. 30 is the last day to renew for 2013 at the 2012 rate (rates are going up US $5) and it is the last day to avoid a break in your Elements print subscription. To check your membership status, log in to our online membership form. If your 'Most recent Membership Year' is 2013 or later then you have already renewed.


Geochemical Career Center Postings

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Graduate student opportunities in applied geochemistry research (Multidisciplinary Applied Geochemistry Network, Canada)



Assistant Professor, Chemical Oceanography (Florida State University, Tallahassee, FL, USA)



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New in GCA (v.102, 1 February 2013)

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Reaction of zero-valent magnesium with water: Potential applications in environmental remediation

Oxidative dissolution of UO2 in a simulated groundwater containing synthetic nanocrystalline mackinawite

Carbon solution and partitioning between metallic and silicate melts in a shallow magma ocean: Implications for the origin and distribution of terrestrial carbon

The role of nanominerals and mineral nanoparticles in the transport of toxic trace metals: Field-flow fractionation and analytical TEM analyses after nanoparticle isolation and density separation

Oxygen isotope systematics of chondrule phenocrysts from the CO3.0 chondrite Yamato 81020: Evidence for two distinct oxygen isotope reservoirs

A REE-in-two-pyroxene thermometer for mafic and ultramafic rocks

Petrology, trace element abundances and oxygen isotopic compositions of a compound CAI–chondrule object from Allende

Diagenetic changes in macro- to nano-scale porosity in the St. Peter Sandstone: An (ultra) small angle neutron scattering and backscattered electron imaging analysis

Exploring the usability of isotopically anomalous oxygen in bones and teeth as paleo-CO2-barometer




 Latest News


CIDER 2013 summer program reminder: Application deadline Jan. 31
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"From mantle to crust: continental formation and destruction" This summer program will bring together scientists from different disciplines to better understand how continents are formed and evolve over Earth history. Participants will work together to explore new and existing models for continent formation from the Archean to the present, and in particular, use continental evolution as a foundation for understanding the science of truly whole-Earth system. The program includes a tutorial program for about 40 advanced graduate students and post-docs, but more senior scientists are also welcome. Application and information at: http://www.deep-earth.org/summer13.shtml

Sulfur isotopes and the stepwise oxygenation of the biosphere
Elements Magazine    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Given a choice of elements to reconstruct the redox history of the planet, geochemists choose sulfur. Many biogeochemical processes fractionate the multiple stable isotopes of S in telltale ways, leaving their imprint in the sedimentary record. Detailing and interpreting that record has become the passion of the paleobiogeochemical community, especially researchers seeking to understand the redox evolution of the oceans and atmosphere through the Precambrian. More

The new black
The Economist    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Soot — also known as black carbon — heats up the atmosphere because it absorbs sunlight. Black things do. That is basic physics. But for years the institutions that focus on climate policy have played down the role of pollutants such as black carbon that stay in the atmosphere for a short time, and concentrated on carbon dioxide, which, once generated, tends to remain there. That may soon change. More

Prehistoric beaches hold key to understanding climate change
History    Share    Share on FacebookTwitterShare on LinkedinE-mail article
As many people in the Northeast continue a long and painful recovery in the wake of Hurricane Sandy, scientists are working hard to determine how high and how fast global sea levels are rising. In order to do this, they are looking not only to the future — in the form of computer-generated forecasts — but also to the past. More

Chemical climate proxies
Chemistry World    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The Earth is not particularly good at keeping records, especially of its past climate. Like those of a disorganized businessman, its climate records are difficult to find, hard to interpret and often contradictory. But like diligent auditors, scientists are making great efforts to get to the bottom of the Earth's disorganized records, both to understand how the Earth's climate behaved in the past and to provide an indication of how it might behave in the future. More


 

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