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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


Scientists image deep magma beneath Pacific seafloor volcano
Since the plate tectonics revolution of the 1960s, scientists have known that new seafloor is created throughout the major ocean basins at linear chains of volcanoes known as mid-ocean ridges. But where exactly does the erupted magma come from?
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Three April 12 deadlines for Goldschmidt2013
Goldschmidt2013 is fast approaching and there is not much time left before the April 12 deadlines for abstract submissions, field trip bookings, and travel grants. Be sure to book accommodations early, as well as make plans for interesting workshops, social events and tours. A Letter of Invitation is also available to assist with funding or visa applications. Early registration for members is 490 Euro for delegates and 295 Euro for students. Please encourage your colleagues and students who plan to attend Goldschmidt2013 and are not members of one of the sponsoring societies (GS, EAG, GSJ) to join first, so that they may qualify for the member rate.
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Thermodynamics of Geothermal Fluids Short Course
The Reviews in Mineralogy and Geochemistry short course: Thermodynamics of Geothermal Fluids will be held Aug. 24-25, 2013, in Florence, Italy, in conjunction with the 2013 Goldschmidt Conference. The short course and the accompanying Review volume will reveal the power of thermodynamics in quantifying geochemical and geological processes in the Earth's crust. Registration is limited to 60 participants and Geochemical Society members receive a registration discount. Convenors are Andri Stefansson (University of Iceland), Thomas Driesner (ETH Zuerich), and Pascale Benezeth (CNRS). RIMG short courses are sponsored by the Geochemical Society and the Mineralogical Society of America.
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Geochemical Career Center Postings
All jobs posted in the Geochemical Career Center are cross-promoted through our Facebook page and right here in Geochemical News.

New! Associate professor in metamorphic petrology/ structural geology (Aarhus University, Aarhus, Denmark)

Maersk Oil Chair in Applied Geophysics (Aarhus University, Aarhus, Denmark)

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

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

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

Employers: Post jobs | Search resumes | Employer resources

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New in GCA (v.107, 15 April 2013)
Peridotitic and websteritic diamondites provide new information regarding mantle melting and metasomatism induced through the subduction of crustal volatiles

Iron isotopic systematics of oceanic basalts

Aeolian controls of soil geochemistry and weathering fluxes in high-elevation ecosystems of the Rocky Mountains, Colorado

Adsorption characteristics of 210Pb, 210Po and 7Be onto micro-particle surfaces and the effects of macromolecular organic compounds

Does temperature or runoff control the feedback between chemical denudation and climate? Insights from NE Iceland

Equilibrium 2H/1H fractionation in organic molecules: III. Cyclic ketones and hydrocarbons

Evolution of the African continental crust as recorded by U–Pb, Lu–Hf and O isotopes in detrital zircons from modern rivers

Linking nm-scale measurements of the anisotropy of silicate surface reactivity to macroscopic dissolution rate laws: New insights based on diopside

Northwest Africa 6693: A new type of FeO-rich, low-Δ17O, poikilitic cumulate achondrite

Iron and manganese shuttles control the formation of authigenic phosphorus minerals in the euxinic basins of the Baltic Sea

Identification and provenance determination of distally transported, Vredefort-derived shocked minerals in the Vaal River, South Africa using SEM and SHRIMP-RG techniques

The chlorine isotope composition of chondrites and Earth

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Huge and widespread volcanic eruptions triggered the end-Triassic extinction
MIT News Office
More than 200 million years ago, a massive extinction decimated 76 percent of marine and terrestrial species, marking the end of the Triassic period and the onset of the Jurassic. This devastating event cleared the way for dinosaurs to dominate Earth for the next 135 million years, taking over ecological niches formerly occupied by other marine and terrestrial species.
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Kansas was unbearably hot 270 million years ago
The Permian period was hot, hot, hot: Around 270 million years ago, air temperatures near the equator may have soared to almost 74° Celsius or 165° Fahrenheit, scientists report March 18 in Geology. That's far hotter than anywhere on Earth today.
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As Erebus lives and breathes
Even when the December sun beats down 24 hours a day, most of Antarctica remains cold, if not brutally frigid. With one dramatic exception. Wind-blown clouds of steam rise year-round from a lava lake atop Mount Erebus, the planet's southernmost active volcano.
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Missed last week's issue? See which articles your colleagues read most.

    Earthquakes make gold veins in an instant (Scientific American)
Oxygen-poor 'boring' ocean challenged evolution of early life (ScienceDaily)
Seeding Atlantic Ocean with volcanic iron did little to lower CO2 (Scientific American)


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