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Mineral magic? Common mineral capable of making, breaking bonds
Arizona State University
Reactions among minerals and organic compounds in hydrothermal environments are critical components of the Earth's deep carbon cycle. They provide energy for the deep biosphere, and may have implications for the origins of life. However, very little is known about how minerals influence organic reactions. A team of researchers from Arizona State University have demonstrated how a common mineral acts as a catalyst for specific hydrothermal organic reactions — negating the need for toxic solvents or expensive reagents.
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SOCIETY NEWS


EAG-GS Outreach to visit Madagascar
GS
Pierre Deschamps (Institut de Recherche pour le Développement) has been selected as the 2014 EAG-GS Outreach lecturer. The first stop of his lecture tour has been confirmed and will be Aug. 20-22 at the University of Antanavarivo in Madagascar. More information on the lecture series can be found on the EAG-GS Outreach page. Additional dates and locations will be added to the page as they become available.
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PRODUCT SHOWCASE
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Geochemical Career Center
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Associate Environmental Geoscientist (Illinois State Geological Survey, Champaign, IL, USA)




Senior Staff Associate (Lamont-Doherty Earth Observatory of Columbia University of Columbia University, Palisades, NY, USA)




Lectureship in Earth Sciences (University of St. Andrews, St. Andrews, UK)




Faculty Position in Geology (Johns Hopkins University, Baltimore, MD, USA)




Assistant Professor of Geochemistry (University of Tulsa, Tulsa, OK, USA)


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New in GCA (v.139, 15 August 2014)
GS
Iron isotope fractionation between aqueous Fe(II) and goethite revisited: New insights based on a multi-direction approach to equilibrium and isotopic exchange rate modification

Oxygen isotope signatures of quartz from major Asian dust sources: Implications for changes in the provenance of Chinese loess

Chlorine distribution and its isotopic composition in "rusty rock" 66095. Implications for volatile element enrichments of "rusty rock" and lunar soils, origin of "rusty" alteration, and volatile element behavior on the Moon

Citrate influences microbial Fe hydroxide reduction via a dissolution–disaggregation mechanism

Partitioning of carbon between Fe-rich alloy melt and silicate melt in a magma ocean – Implications for the abundance and origin of volatiles in Earth, Mars, and the Moon

Compositional and stable carbon isotopic fractionation during non-autocatalytic thermochemical sulfate reduction by gaseous hydrocarbons

Modeling the influence of organic acids on soil weathering

Impact of organic carbon on weathering and chemical denudation of granular basalt

SIMS measurements of intrashell δ13C in the cultured planktic foraminifer Orbulina universa

Kinetic fractionation of carbon and oxygen isotopes during hydration of carbon dioxide

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GEOCHEMISTRY IN THE NEWS


Mercury's bizzare magnetic field tells scientists how its interior is different from Earth's
University of California - Los Angeles
Mercury's interior is different from the Earth's interior in a way that explains Mercury's bizarre magnetic field, planetary physicists report. Measurements from NASA's Messenger spacecraft have revealed that Mercury's magnetic field is approximately three times stronger at its northern hemisphere than its southern one.
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Mysterious Siberian crater attributed to methane
Nature
A mystery crater spotted in the frozen Yamal peninsula in Siberia was probably caused by methane released as permafrost thawed, researchers in Russia say. Air near the bottom of the crater contained unusually high concentrations of methane — up to 9.6 percent — in tests conducted at the site, says Andrei Plekhanov, an archaeologist at the Scientific Centre of Arctic Studies in Salekhard, Russia.
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Asteroids wreaked havoc on early Earth
Nature
The early Earth is likely to have been hit by up to four asteroids capable of killing off fledgling life and completely resurfacing the planet, a model reveals. Researchers have long speculated about the conditions on Earth in the first 500 million years after the planet's formation, some 4.5 billion years ago.
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American Geophysical Union announces 2014 Fellows
AGU
The American Geophysical Union (AGU) recently announced its 2014 class of Fellows. This honor is given to individual AGU members who have made exceptional scientific contributions and attained acknowledged eminence in the fields of Earth and space sciences. Since the establishment of the AGU Fellows program in 1962, and in accordance with AGU bylaws, no more than 0.1 percent of the total membership of AGU is recognized annually. 62 individuals have been elected as 2014 Fellows. They will be recognized during a ceremony on Wednesday, Dec. 17, held during the 2014 AGU Fall Meeting in San Francisco.
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High impact factor for Geochemical Perspectives
EAG
The European Association of Geochemistry (EAG) have just announced that the journal Geochemical Perspectives, launched in 2012, has received its first impact factor. For 2013 this is 8.25. All articles are freely available online at geochemicalperspectives.org or via GeoScienceWorld. This strong reception by the geochemistry community of a wholly community run journal is good news for Geochemistry and the launch of Geochemical Perspectives – Letters in 2015.
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GSA — Executive Director Position
GSA
The Geological Society of America (GSA) has an opening for the position of Executive Director. For more information on the position, please visit their website at: http://www.geosociety.org/humanres/1408ExecDirector.htm. Applications received by Oct. 15 will receive full consideration; the position will remain open until filled. GSA is an equal opportunity employer and encourages nominations of outstanding individuals.
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TRENDING ARTICLES
Missed last week's issue? See which articles your colleagues read most.

    Study: Saharan dust is key to formation of Bahamas' Great Bank (University of Miami Rosenstiel School of Marine & Atmospheric Science via ScienceDaily)
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Don't be left behind. Click here to see what else you missed.


 

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