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Geochemistry: A dash of deep nebula on the rocks
Nature (paid subscription required)    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The cocktail of noble-gas isotopes in an Icelandic rock suggests that the upper mantle does not, and never did, receive gas from a deeper mantle reservoir. This challenges ideas of deep Earth's behavior and formation. More



 Society News


Goldschmidt 2012: Geochemical Fellows and Thursday's Plenary
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FELLOWS. The Geochemical Society and the European Association of Geochemistry will award ten geochemists with the honorary title Geochemical Fellow to recognize their major contributions to geochemistry. Pictured are (top row) Susan Brantley (Pennsylvania State University), James Farquhar (University of Maryland), Andrew Gleadow (University of Melbourne), Timothy Grove (Massachusetts Institute of Technology), Bjørn Jamtveit (University of Oslo), (bottom row) Hans Keppler (University of Bayreuth), Lee Kump (Pennsylvania State University), Mark Kurz (Woods Hole Oceanographic Institution), Kevin McKeegan (University of California-Los Angeles), and Andrew Putnis (University of Muenster). The award ceremony will be held before the Gast Lecture at 13:45 on Tuesday, June 26.

PLENARY. Thursday's Goldschmidt 2012 plenary is Geochemical Fellow Dr. Lee Kump (Penn State University) who will present "Killed by Geochemistry: Mass Extinction in Toxic Oceans" at 14:00 on June 28.



Sherwood Lollar to receive Eni Award

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Prof. Barbara Sherwood Lollar, Vice President of the Geochemical Society, has been chosen as the 2012 recipient of the Eni Award in Protection of the Environment. This is an exceptionally significant and prestigious award that recognizes outstanding research in fields of energy and the environment. The awards were chosen by a 24-member scientific review panel. Previous winners of the award include several Nobel Prize winners. The award will be presented on June 15 in Rome by the President of Italy, and part of the recognition includes a gold medal specially minted by the Italian state mint.


Heinrich (Dick) Holland (1927-2012)

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Dick Holland died May 21, 2012, in Wynnewood, Pa., just short of his 85th birthday. He was a member of the National Academy of Sciences and his numerous awards included the V.M. Goldschmidt Award of the Geochemical Society, the Penrose Gold Medal of the Society of Economic Geologists, and the Leopold von Busch Medal of the Deutsche Geologische Gesellschaft. Tim Drever has written a more in depth obituary on the Geochemical Society website.


June Elements: Fukushima Daiichi

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The June issue of Elements is in press, and mailing is scheduled for June 19. A little more than a year after the Fukushima Daiichi tragedy, guest editors Takashi Murakami and Rod Ewing and the cast of authors they assembled provide a summary of the nuclear accident as it has been reconstructed and the lessons that other facilities can take from it, and it gives an overview of the resulting contamination in the air, soil, and ocean. The Perspectives section provides six different points of view on the future of nuclear power in the aftermath of Fukushima. Check the table of contents. It is available online at www.elements.geoscienceworld.org and at www.elementsmagazine.org/archives/index.html.


New in GCA (v87, 15 June 2012)

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Magnesium isotope fractionation by chemical diffusion in natural settings and in laboratory analogues

Determination of crustal fluid residence times using nucleogenic 39Ar

Variation in trace element content of magnetite crystallized from a fractionating sulfide liquid, Sudbury, Canada: Implications for provenance discrimination

Precise and direct determination of the half-life of 41Ca

Sorption of tetravalent thorium on muscovite

A computational study of Mg2+ dehydration in aqueous solution in the presence of HS− and other monovalent anions – Insights to dolomite formation

Diagenetic barium cycling in Black Sea sediments – A case study for anoxic marine environments

Structural dependence of Mn complexation by siderophores: Donor group dependence on complex stability and reactivity

The influence of high hydrostatic pressure on bacterial dissimilatory iron reduction




 Latest News


Focus: Ancient rainfall, carved in stone
Physics    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Stalactites grow from cave ceilings not as dull cones but often sporting elegant corrugations. In Physical Review Letters, two Italian researchers now explain these mysterious, wavy patterns using standard fluid mechanics. Their theory shows that the horizontal ripples form because spatially periodic patterns arise in the rate of mineral deposits from the water flowing down the stalactite. More

NASA finds surprising level of plant life growth under Arctic ice
Examiner    Share    Share on FacebookTwitterShare on LinkedinE-mail article
In a discovery which may require the need to re-evaluate future climate change models NASA announced that a scientific expedition in the Arctic Ocean has found an incredibly high level of microscopic plant life existing and thriving under the sea ice. More

Predominance of heavily calcified coccolithophores at low CaCO3 saturation during winter in the Bay of Biscay
PNAS    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Coccolithophores are an important component of the Earth system, and, as calcifiers, their possible susceptibility to ocean acidification is of major concern. Laboratory studies at enhanced pCO2 levels have produced divergent results without overall consensus. More


 
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