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Chocolate and diamonds: Why volcanoes could be a girl's best friend
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Scientists from the University of Southampton have discovered a previously unrecognized volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the dynamics of volcanic eruptions. More

 Society News

Goldschmidt 2012: Monday's Plenary and Patterson Award
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PLENARY. The first Goldschmidt 2012 plenary speaker is EAG President, Dr. Bernard Bourdon (Laboratoire de Geologie de Lyon). His talk on Isotope fingerprints for the formation and the composition of the Earth will be presented at 8:15 a.m. on Monday, June 25.

PATTERSON. Dr. Stefan Schouten (Royal Netherlands Institute for Sea Research) shall be awarded the 2012 C.C. Patterson Medal on Monday at 3 p.m. before his talk on Intact polar tetraether lipids in the Arabian Sea water column and sediments: Implications for TEX86 paleothermometry. Schouten's citationist is Dr. Rich Pancost (Bristol University).

New in GCA (v86, 1 June 2012)
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He diffusion and closure temperatures in apatite and zircon: A density functional theory investigation

Iron redox reactions in the tourmaline structure: High-temperature treatment of Fe3+-rich schorl

Identifying and quantifying natural CO2 sequestration processes over geological timescales: The Jackson Dome CO2 Deposit, USA

Experimental determination of equilibrium nickel isotope fractionation between metal and silicate from 500 °C to 950 °C

Negative Ce anomalies in Mn oxides: The role of Ce4+ mobility during water–mineral interaction

Petrogenesis of the Sólheimar ignimbrite (Katla, Iceland): Implications for tephrostratigraphy

Assessing amino acid racemization variability in coral intra-crystalline protein for geochronological applications

Selenium and tellurium systematics of the Earth's mantle from high precision analyses of ultra-depleted orogenic peridotites

The role of hydrous ferric oxide precipitation in the fractionation of arsenic, gallium, and indium during the neutralization of acidic hot spring water by river water in the Tama River watershed, Japan

Protonated o-semiquinone radical as a mimetic of the humic acids native radicals: A DFT approach to the molecular structure and EPR properties

Effect of surface orientation on dissolution rates and topography of CaF2

Corrigendum to "Thermodynamic properties of H4SiO4 in the ideal gas state as evaluated from experimental data" [Geochim. Cosmochim. Acta 75 (2011) 3853–3865]


 Latest News

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Do not miss the deadline for submission of abstracts for the 2012 Joint European Stable Isotope Users' group Meeting (JESIUM) on May 31, 2012!

JESIUM 2012 will take place in the UFZ conference center, the Leipziger KUBUS, in Leipzig, September 2–7, 2012.

Stable isotope methodologies have become a crucial research tool in a wide range of scientific fields. The purpose of the meeting is to bring together a broad range of stable isotope scientists from all over the world, to encourage communication across disciplines and country boundaries. Sessions cover topics such as "Hydrology and water cycles", "Climate reconstruction, paleo-climate and archaeology", "Advances in stable isotope analysis", "Biogeochemistry, element cycles" and "Earth sciences". Session leaders include Barb Sherwood Lollar (University of Toronto), Richard Evershed (University of Bristol), Tom Preston (SUERC, University of Glasgow), Brian Fry, Willi Brand and Manfred Gröning (IAEA) to name but a few.

Meteoritical Society Annual Meeting
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The 75th Annual Meeting of the Meteoritical Society will be held in Cairns, Australia August 12-17, 2012. The Abstract Deadline is May 29, 2012. Visit the Call for Abstracts for details.

Tracking ocean sulfur could help test Gaia hypothesis
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Geologists at the University of Maryland have published research that could help prove or disprove Gaia theory — the notion that the Earth is one single self-regulating system. The concept dates from the 70s and was initially formulated by James Lovelock and Lynn Margulis. It proposes that all organisms and their inorganic surroundings comprise a single system that maintains the conditions for life on Earth. More

Keeping greenhouse emitters honest
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A new study has a message for any country claiming to limit its emissions of greenhouse gasses: don't cheat. Using data gathered by sensors scattered around an urban area, researchers say they can track changes in a city's carbon dioxide output. That means that when a nation says it's complying with an emissions-limiting treaty, scientists may soon be able to see whether it's telling the truth. More

Volcano grows at astounding rate
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An astounding pulse of destruction and growth at an underwater volcano north of New Zealand has provided a new insight into the behavior of submarine mountains. The Monowai seamount, which lies at the intersection of the Pacific and Indo-Australian tectonic plates at the Tonga-Kermadec subduction zone, underwent one of the fastest episodes of volcano growth documented on Earth. More

Electronics go viral
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Some viruses cause illness, pandemics, and death. But scientists have found a new way to put at least one type of virus to good use. A team of researchers has harnessed bacteria-infecting viruses to generate power by converting mechanical energy into electricity. The virus power pack isn't yet powerful enough to run your cell phone or iPod. But because the microbes are harmless to humans, they may one day prove useful for powering medical sensors inside our bodies. More

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