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Studies show movements of continents speeding up after slow 'middle age'
European Association of Geochemistry via EurekAlert
Two studies show that the movement rate of plates carrying the Earth's crust may not be constant over time. This could provide a new explanation for the patterns observed in the speed of evolution and has implications for the interpretation of climate models. The work is presented today at Goldschmidt 2014, the premier geochemistry conference taking place in Sacramento, California, USA.
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SOCIETY NEWS


Goldschmidt2014 Plenaries Online
GS
Video recordings of the plenaries at Goldschmidt2014 have been recorded and are now available on the Goldschmidt Conference's YouTube channel.
  • Monday: Pan Conrad (prefaced by GS-EAG Fellows awards)
  • Tuesday: Tim Elliott (prefaced by GS Medal Awards and GSJ Journal award)
  • Wednesday: Chris Ballentine (prefaced by a preview of Goldschmidt2015)
  • Thursday: Andrea Foster and Christopher Kim (prefaced by EAG awards and the GS Distinguished Service award)
  • Friday: Hope Jahren (prefaced by a preview of Goldschmidt2016, the IAG award, the Shun-su Sun Award, and Goldschmidt2014 appreciations)

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Society synergy GS - EAG
GS
Securing the Goldschmidt Conference Future. The Goldschmidt conference provides the pre-eminent international forum to communicate new research and innovations in geochemistry, attracting international press, funding bodies and industry. The responsibility for the organization and planning falls to the EAG or the GS, co-owners of the meeting, on alternate years. At the Sacramento Goldschmidt meeting this June the EAG and the GS signed a memorandum of understanding (MoU) which provides the foundations for the governance and trademark protection of the meeting. The MoU ensures more efficient communication between societies, more security and more coherence between meetings. This will allow both societies to plan further into the future and continue to improve the quality of the meeting for our geochemical community.
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PRODUCT SHOWCASE
  Analab Corrosion Resistant Laboratory Appliances

Analab manufacture corrosion resistant laboratory appliances such as acid vapour cleaning stations, hotplates, and sample preparation devices. Our devices can be used with a wide range of acids and bases (HF to NH4OH). We are represented in North America by Isomass Scientific.

Please visit our website for upcoming conferences.
 


Geochemical Career Center
GS


Faculty Position in Climate Change and Water Cycle (University of Michigan, Ann Arbor, USA)




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




Chromium Isotope Oceanography—one PhD or two MSc positions (University of Saskatchewan, Saskatoon, SK, Canada)


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

Employers: All jobs posted in the Geochemical Career Center are cross-promoted through Facebook, Twitter and right here in Geochemical News.

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PRODUCT SHOWCASE
  Download expert datasets from the EarthChem Library:

The IEDA EarthChem Library now hosts 142 expert datasets on solid earth, gas and water geochemistry as well as geochronology. Download expert-compiled datasets, such as the global granulite and peridotite xenolith dataset, from the EarthChem Library.
 


New in GCA (v.135, 15 June 2014)
GS

Equilibrium fractionation of H and O isotopes in water from path integral molecular dynamics


Dripwater organic matter and trace element geochemistry in a semi-arid karst environment: Implications for speleothem paleoclimatology

The role of silicate surfaces on calcite precipitation kinetics

Lu–Hf isotope systematics of the Hadean–Eoarchean Acasta Gneiss Complex (Northwest Territories, Canada)

Quantitative constraints on the 17O-excess (Δ17O) signature of surface ozone: Ambient measurements from 50°N to 50°S using the nitrite-coated filter technique

Deciphering human–climate interactions in an ombrotrophic peat record: REE, Nd and Pb isotope signatures of dust supplies over the last 2500 years (Misten bog, Belgium)

Thorite in an Apollo 12 granite fragment and age determination using the electron microprobe

Influence of Mg2+ on CaCO3 precipitation during subsurface reactive transport in a homogeneous silicon-etched pore network

Massive magnesium depletion and isotope fractionation in weathered basalts

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GEOCHEMISTRY IN THE NEWS


Canadian scientists discover Northernmost perennial spring
Sci-News.com
Dr. Stephen Grasby from the University of Calgary and Geological Survey of Canada and his colleagues encountered this high-volume spring – dubbed the Ice River Spring – on Ellesmere Island, Nunavut, Canadian High Arctic. The discovery is detailed in a paper published in the journal Geology. The Ice River Spring demonstrates that deep groundwater circulation through the cryosphere occurs, and can form gullies in a region of extreme low temperatures and with morphology remarkably similar to those on Mars.
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Nominations open for the J. Lawrence Smith Medal of the National Academy of Sciences
National Academy of Sciences
The J. Lawrence Smith Medal and prize of $25,000 are awarded by the U.S. National Academy of Sciences for recent original and meritorious investigations of meteoric bodies. The award was established as a gift from Sarah Julia Smith in memory of her husband and has been presented since 1888. Nominees need not be U.S. citizens nor members of the National Academy.

Information on the award can be found at http://www.nasonline.org/about-nas/awards/j-lawrence-smith-medal.html. Nomination packages consist of a 2-3 page nomination letter, 2 page CV for the candidate, bibliography listing no more than 12 significant publications, and no more than 3 letters of support. Nominations are due before Oct. 1, 2014 and are submitted on-line at https://awards.nasonline.org.

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TRENDING ARTICLES
Missed last week's issue? See which articles your colleagues read most.

    New evidence for water trapped in minerals deep within the Earth's interior (The University of New Mexico)
New evidence of how the Moon formed (AAAS)
Geologists confirm oxygen levels in Earth's oldest oceans (Syracuse University)
How Earth avoided global warming, last time around (European Association of Geochemistry via ScienceDaily)

Don't be left behind. Click here to see what else you missed.


 

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