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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




 



Asteroid may have killed dinosaurs quicker than scientists thought
Reuters    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Dinosaurs died off about 33,000 years after an asteroid hit the Earth, much sooner than scientists had believed, and the asteroid may not have been the sole cause of extinction, according to a recent study. Earth's climate may have been at a tipping point when a massive asteroid smashed into what is now Mexico's Yucatan Peninsula and triggered cooling temperatures that wiped out the dinosaurs, researchers said. More





 Society News


Joel Blum named 2013 Patterson Medalist
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Joel D. Blum, the John D. MacArthur and Arthur F. Thurnau Professor of Earth and Environmental Sciences in the Department of Earth and Environmental Sciences at the University of Michigan has been selected as the recipient of the 2013 Clair C. Patterson Award. The Patterson award is given annually for a recent breakthrough in environmental geochemistry of fundamental significance, published in a peer-reviewed journal. Blum is recognized for his contributions to addressing the problem of Hg in the environment through the development of novel isotopic measurements that in some ways parallel Patterson's seminal work tracing Pb contamination in the environment. [Photo courtesy: Lawrence Berkeley National Lab]

Blair Schoene named 2013 Clarke Medalist
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Dr. Blair Schoene, Assistant Professor in the Department of Geosciences of Princeton University will receive the 2013 F.W. Clarke Award. Dr. Schoene was nominated for his multi-faceted body of work that assisted in the development of improved accuracy and precision in U-Pb geochronology which he then used to define the detailed assembly and deformational history of the ancient crust of South Africa. The Clarke Award recognizes an early-career scientist for a single outstanding contribution to geochemistry or cosmochemistry published either as a single paper or a series of papers on a single topic. [Photo courtesy: Princeton University]

Goldschmidt 2014 launches website
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The Californian Goldschmidt will take place in Sacramento between June 8 and June 13, 2014. Goldschmidt2014 will follow the pattern established for the recent Goldschmidt conferences, and will be the prime forum for all recent developments in Geochemistry and related fields. Sacramento is the state capitol of California, famous as the heart of gold country and one of the most important agricultural regions in the world. The venue is conveniently close to many of California's renowned geologic features including Yosemite Valley and the Sierra Nevada batholith, several ophiolite complexes, and the fossil subduction zone of the Franciscan Complex. Sacramento is also well placed for excursions to the main Californian wine producing areas and other tourist areas in the state. Field trips linked to symposia will be a hallmark of the conference. Please put the dates in your calendar, and plan to join us in California in June 2014!


Geochemical Career Center Postings

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New Posting! Organic Geochemist (ExxonMobil Research and Engineering Company, Annandale, NJ, USA)



New Posting! Postdoctoral opportunities in applied geochemistry research (Multidisciplinary Applied Geochemistry Network, Canada)



Postdoctoral position: FT-ICR mass spectrometry and IR laser spectroscopy of ion clusters (Hong Kong University, Hong Kong, China)



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


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New in GCA (v.103, 15 February 2013)

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The surface structure of α-uranophane and its interaction with Eu(III) – An integrated computational and fluorescence spectroscopy study

Solid-state properties and colloidal stability of thorium(IV)–silica nanoparticles

Molybdenum reduction in a sulfidic lake: Evidence from X-ray absorption fine-structure spectroscopy and implications for the Mo paleoproxy

Disequilibrium carbon and oxygen isotope fractionation in recent cave calcite: Comparison of cave precipitates and model data

Sediment residence times constrained by uranium-series isotopes: A critical appraisal of the comminution approach

The link between reduced porphyry copper deposits and oxidized magmas

The denudation of ocean islands by ground and surface waters: The effects of climate, soil thickness, and water contact times on Oahu, Hawaii

A globally convergent saturation state algorithm applicable to thermodynamic systems with a stable or metastable omni-component phase

Variations of iron flux and organic carbon remineralization in a subterranean estuary caused by inter-annual variations in recharge

Temperature-dependent formation of metallic copper and metal sulfide nanoparticles during flooding of a contaminated soil




 Latest News


Fracking with bad water
Forbes    Share    Share on FacebookTwitterShare on LinkedinE-mail article
So, you have a dwindling supply of fresh water for drinking and for wildlife, you have large amounts of contaminated water from old mining operations that we don't know what to do with and are really expensive to clean-up, and you have the need for large amounts of water for the dramatic increase in fracking operations that don't need to use fresh or potable water but are presently using both fresh and potable water from these very dwindling supplies. More

Ozone thinning has changed ocean circulation
Johns Hopkins University    Share    Share on FacebookTwitterShare on LinkedinE-mail article
According to a Johns Hopkins earth scientist, the hole in the Antarctic ozone layer has caused changes in the way that waters in those southern oceans mix — a situation that has the potential to alter the amount of CO2 in the atmosphere and eventually could have an impact on global climate change. More

Volcano location: Greenhouse-icehouse key?
ScienceDaily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A new Rice University-led study finds the real estate mantra "location, location, location" may also explain one of Earth's enduring climate mysteries. The study suggests that Earth's repeated flip-flopping between greenhouse and icehouse states over the past 500 million years may have been driven by the episodic flare-up of volcanoes at key locations where enormous amounts of carbon dioxide are poised for release into the atmosphere. More


 

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