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Can magma crystals predict eruptions?
Chemistry World    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Mineral crystals blasted out from volcanoes can provide a window into the powerful processes going on inside those volcanoes, say U.K. and German earth scientists. The question now is whether these crystals can actually help to predict future eruptions. More

 Society News

Goldschmidt 2012: Tuesday's Plenary and F.W. Clarke Award
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PLENARY. Tuesday's Goldschmidt 2012 plenary is the Paul W. Gast Lecture, given by Dr. Ros Rickaby, (Oxford University). Her talk entitled "Tight coupling of life and metals throughout evolution" will be presented at 14:15 on Tuesday, June 26.

CLARKE. Dr. David T. Johnston (Harvard University) shall be awarded the 2012 F.W. Clarke Medal on Tuesday at 15:30 before his talk. Dr. Johnston's citationist is Dr. Tim Lyons (University of California – Riverside).

Goldschmidt 2012: Hotel reservation deadline is June 1
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Cancellations and reservation changes to name, stay dates, address, or special requests can be made online on or before June 1. If you require further assistance with your booking, please contact Tourisme Montréal at the numbers or addresses listed below. It will be their pleasure to assist you. Phone: +1-514-844-0848 (Toll free North America: 1-888-722-2220); Fax: +1-514-844-6771; email:

New in GCA (v86, June 1, 2012)
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The inorganic speciation of tin(II) in aqueous solution

Resilience of cold-water scleractinian corals to ocean acidification: Boron isotopic systematics of pH and saturation state up-regulation

Mineralogy and petrology of Stardust particles encased in the bulb of track 80: TEM investigation of the Wild 2 fine-grained material

An experimental study of Au removal from solution by non-metabolizing bacterial cells and their exudates

Amorphous iron (II) carbonate: Crystallization energetics and comparison to other carbonate minerals related to CO2 sequestration

Signatures in magnetites formed by (Ca,Mg,Fe)CO3 thermal decomposition: Terrestrial and extraterrestrial implications

Mineralogical and isotopic constraints on chondrule formation from shock wave thermal histories

Replacement of olivine by serpentine in the carbonaceous chondrite Nogoya (CM2)

Vertical and temporal variability in concentration and distribution of thaumarchaeotal tetraether lipids in Lake Superior and the implications for the application of the TEX86 temperature proxy

Chromite symplectites in Mg-suite troctolite 76535 as evidence for infiltration metasomatism of a lunar layered intrusion

The Ca isotopic composition of dust-producing regions: Measurements of surface sediments in the Black Rock Desert, Nevada

Thorium-derived dust fluxes to the tropical Pacific Ocean, 58 Ma

 Latest News

Next Generation Science Standards
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Geochemists are invited to comment on the Next Generation Science Standards being proposed for primary school education curriculum in the United States. The first public draft of the new standards was just released by Achieve, Inc. who is seeking community feedback on the new standards through Friday, June 1. Feedback collected during the comment period will be organized and shared with the leading states and writing team members.

SEDI 2012
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The 13th Symposium on Study of the Earth's Deep Interior (SEDI), a Committee of IUGG, will be held in Leeds, U.K. from July 1 - 6, 2012. Abstract submission and preregistration deadline for the SEDI 2012 conference is Friday, June 1.

Portrait of Earth's coming of age
Nature (paid subscription required)    Share    Share on FacebookTwitterShare on LinkedinE-mail article
An analysis of geochemical data reveals a substantial change in the composition of Earth's magmas about 2.5 billion years ago, just as Earth's atmosphere and climate were also changing drastically. More

Researchers measure carbon in the Arctic Ocean
RedOrbit    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Scientists from the Woods Hole Oceanographic Institution (WHOI) have conducted a new study to measure levels of carbon at various depths in the Arctic Ocean. The study, recently published in the journal Biogeosciences, provides data that will help researchers better understand the Arctic Ocean's carbon cycle — the pathway through which carbon enters and is used by the marine ecosystem. It will also offer an important point of reference for determining how those levels of carbon change over time, and how the ecosystem responds to rising global temperatures. More

Venus Express unearths new clues to the planet's geological history
Space Daily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
ESA's Venus Express has been used to study the geology in a region near Venus' equator. Using near-infrared observations collected by the Venus Monitoring Camera (VMC), scientists have found evidence that the planet's rugged highlands are scattered with geochemically more evolved rocks, rather than the basaltic rocks of the volcanic plains. More

Seeking signs of life at the glacier's edge
SpaceDaily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Microbes living at the edges of Arctic ice sheets could help researchers pinpoint evidence for similar microorganisms that could have evolved on Mars, the Jovian moon Europa, or Saturn's moon Enceladus. Scientists are investigating the receding edge of ice sheets on Earth to study the release of methane there. More

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