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Hotspot trails in the South Atlantic controlled by plume and plate tectonic processes
Nature Geoscience    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The origin of hotspot trails is controversial. Explanations range from deep mantle plumes rising from the core–mantle boundary (CMB) to shallow plate cracking. However, these mechanisms cannot explain uniquely the scattered hotspot trails distributed across a 2,000-km-wide swell in the sea floor of the southeast Atlantic Ocean. More




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GNews distribution glitch
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Last week's issue of Geochemical News ran into a distribution problem and many subscribers did not receive it. The error has been corrected and for your convenience a few of the news items are being run again.

Diversity in GS Awards depends on you
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The nomination deadline of Oct. 15 is approaching rapidly for GS Awards. As with many organizations, the list of past recipients of these honors does not well match the diversity of the Geochemical Society membership in a number of areas, particularly gender (figure). The Society is well aware of this problem with an excellent summary presented by past President Sam Mukasa. The Society has taken many steps to increase diversity in its awards, but the greatest obstacle remains the nomination step. Please help us honor and celebrate the diversity of geochemical excellence by nominating worthy candidates who will provide better balance to the list of GS Award winners.

AGI releases the new 2012 Critical Needs Document
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AGI and its federation of 50 national and international professional geoscience societies, one of which is the Geochemical Society, have come together again to provide a list of critical issues and policy recommendations for geosciences. The document, Critical Needs for the Twenty-first Century: the Role of the Geosciences, is meant to inform policymakers of the unique knowledge, experience, and ingenuity of the geoscience community, and to address some of society's most pressing issues. The new report builds on the first set of recommendations handed down in 2008 with the addition of an eighth Critical Need: To sustain ocean, atmosphere, and space resources. Other critical needs discussed include ensuring reliable energy, providing sufficient water supplies, managing waste, mitigating natural hazards, improving and building new infrastructure, ensuring supplies of raw materials, and maintaining a robust geoscience workforce.

Featured Geochemical Career Center postings
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New! Assistant Professor, Atmospheric/ Hydrological Sciences (University of Illinois at Chicago, Chicago, IL, USA)

New! Carnegie Postdoctoral Fellowship Positions in Geochemistry, Cosmochemistry, and Astrobiology (Carnegie Institution of Washington, Washington, DC, USA)

Environmental Earth Sciences Faculty Position (University of Notre Dame, South Bend, IN, USA)

USGS Mendenhall Research Fellowship in Noble Gas Isotopes or Stable Isotopes (US Geological Survey, Denver, CO, USA)

Associate Isotope Geochemist or Isotope Geochemist (Illinois State Geological Survey, Urbana-Champaign, IL, USA)

Faculty Positions in Continental Margins and Coastal Environments (Scripps Institution of Oceanography, San Diego, CA, USA)

Final Days! Post Doc Appointee – Geochemistry (Sandia National Lab, Albuquerque, NM, USA)

Job Seekers: It only takes a few minutes to create an account to apply for jobs. Sign up now for access to all the great features on Geochemical Career Center.

Employers: For a nominal fee (a single 60-day post is 250 USD), the link to your post will be distributed in future issues of Geochemical News – reaching over 5,000 subscribers and also on our Facebook page with over 1,000 likes.




 Latest News


US students urged to comment on US Science funding cuts
APS    Share    Share on FacebookTwitterShare on LinkedinE-mail article
On Jan. 3, unless the U.S. Congress takes action, the budget sequestration plan will require a 9 percent across the board cut to U.S. funded science programs. The American Physical Society has set up a letter to Congress for U.S.-based students to sign urging Congress to come up with an alternate budget plan that preserves funding for science and science education. U.S.-based students of geochemistry, those likely to be most effected by these budget cuts, are encouraged to let their congressional representatives know their opinion of the importance of strong support for U.S. science funding.

WRI-14
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Do not miss the Oct. 15, 2012, deadline for abstract submissions to the International Association of Geochemistry's (IAGC) Water-Rock Interaction triennial symposium held from June 9-14, 2013, at the Palais de Papes in Avignon, France.

The conference's impressive venue, in addition to the traditional convivial and scientific ambiance of WRI, will foster scientific exchanges and further knowledge in all fields related to water-rock interactions, and in particular in such new fields as environmental and risk assessment associated with contaminated water resources, shale gas exploitation, and geothermal energy. An impressive organizing and scientific committee has been assembled with Pierpaolo Zuddas serving as Secretary General of the conference.


Biogeochemically diverse organic matter in Alpine glaciers and its downstream fate
Nature Geoscience    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Besides their role in the hydrological cycle, glaciers could play an important role in the carbon cycle. They store and transform organic carbon, which on release could support downstream microbial life. Yet the origin and composition of glacial organic carbon, and its implications for the carbon cycle, remain unclear. More

Mercury probe points to different origin for 1st planet
CNN    Share    Share on FacebookTwitterShare on LinkedinE-mail article
X-ray data from NASA's MESSENGER probe points to high levels of magnesium and sulfur on the surface of the planet Mercury, suggesting its makeup is far different from that of other planets, scientists say. More

Geological and structural mapping in mining largely undervalued
Mining Weekly    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Geological and structural mapping techniques continue to be a largely undervalued exploration tool in the global mining industry, asserts principal consultant of mining consulting firm SRK Consulting Bert De Waele. He attributes the lack of interest in mapping to the fact that market appetite appears to be focused on vague declarations of 'mineralized corridors' and 'prospective structures' and adds that the fast pace at which exploration projects develop allows little time for mapping, which is perceived to be slow work. More


 

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