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Earth life 'may have come from Mars'
BBC News
Life may have started on Mars before arriving on Earth, a major scientific conference has heard. New research supports an idea that the Red Planet was a better place to kick-start biology billions of years ago than the early Earth was. The evidence is based on how the first molecules necessary for life were assembled.
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Goldschmidt2013: Florence breaks attendance record
Thanks to the herculean efforts of the conference organizers and volunteers, Goldschmidt2013 attracted a record number of delegates for workshops, talks, posters, and networking opportunities. Please visit our Facebook photo album for a glimpse of the conference including GS medalists and awardees. This, and many past Goldschmidt conferences are archived at
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Goldschmidt2013: Wine Tasting Results
On Friday, as a fun way to pass the Goldschmidt torch from Florence to Goldschmidt2014 in California, an Italian vs. Californian blind wine tasting was held. For those curious to know, the wines were Red A: 2012 Leonardo Chiannti, Red B: 2008 Saintsbury Carneros Pinot Noir, White A: 2010 Saintsbury Carneros Chardonnay, and White B: 2011 Montecarlo Bianco. In the highly un-scientific blind taste test, the California Red edged out the Italian 155 to 145 and as did the California White 161 to 136. Special thanks to Barbara Sherwood Lollar for proposing the idea, to Paul Beattie and his team for making it happen, and to everyone who participated. It is rumored that next year will include a California vs. Czech Pilsner taste test.

Photo caption: GS President Rick Carlson (left), toasts to Goldschmidt2014 with EAG President Chris Ballentine at the Blind Wine Tasting event on Friday. Photo courtesy Marie-Aude Hulshoff.

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  Mantle Xenolith Data in PetDB

PetDB includes analytical data for more than 8,000 deep crustal and mantle xenolith samples (formerly Deep Lithosphere Dataset), including major and trace element chemistry, isotopic compositions, mineral chemistry, modal abundances, thermobarometry, and compositional data of fluid and melt inclusions. Search for Sample Type: Xenolith in PetDB!

An Invitation to Goldschmidt2014
Although many are basking in the afterglow of Goldschmidt2013, it is not too early to start making plans for Goldschmidt2014. IPC chairs Dominique Weis (University of British Columbia) and Adina Paytan (University of California – Santa Cruz), backed by a talented cadre of theme chairs, have already built a strong scientific program with 25 themes. For a taste of what to enjoy, please read LOC Chairman Paul Renne's letter of invitation (PDF) from the August issue of Elements. If you have not already received a conference circular, you may join our mailing list to keep up to date on the latest conference developments including the soon to be released public call for session proposals.
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2014 Award Nominations are now open
While at Goldschmidt, did you see a presentation from a young geochemist making it clear that he or she is off to a great future? Did one of the presentations confirm to you that the presenter has been doing great geochemistry for a long time, but without adequate recognition? Many outstanding geochemists have not received the recognition that their excellent work deserves.

Help break this trend. Nominate them for a Geochemical Society Award. Awards not only provide recognition of quality work for the award winner, but they also help to advance the field of geochemistry by letting research institutions know that the work of one of their faculty is highly regarded by their peers. Nominations are simple and the nomination deadline is Oct. 15.

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Geochemical Career Center

New! Application Specialist - Gas Isotope MS (m/f) (Thermo Scientific, Germany)

Postdoctoral and/or PhD position(s) for Re-Os geochemistry of shale's and hydrocarbons (Colorado State University, Fort Collins, CO, USA)

Tenure-Track Position in Organic Geochemistry (University of Colorado, Boulder, CO, USA)

Postdoctoral Researcher, Mantle Processes Group (Stanford University, Stanford, CA, USA)

Geochemistry and Habitability of Ancient Waters: Postdoctoral Position Available (University of Toronto, Toronto, ON, Canada)

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

Research Lab Specialist (electron microscopy, Auger nanoscope, XRD) (University of Michigan, Ann Arbor, MI, USA)

Harry S. Truman Fellowship in National Security Science and Engineering (Sandia National Laboratories, Albuquerque, NM, USA)

Final Days! Tenure Track Position in Stable Isotope Geochemistry (Temple University, Philadelphia, PA, USA)

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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New in GCA (v.118, 1 October 2013)
Estimation of epikarst air PCO2 using measurements of water δ13CTDIC, cave air PCO2 and δ13CCO2

Experimental determination of equilibrium magnesium isotope fractionation between spinel, forsterite, and magnesite from 600 to 800 °C

The fate of river organic carbon in coastal areas: A study in the Rhône River delta using multiple isotopic (δ13C, Δ14C) and organic tracers

The energetics and kinetics of uranyl reduction on pyrite, hematite, and magnetite surfaces: A powder microelectrode study

Influences of salinity and temperature on the stable isotopic composition of methane and hydrogen sulfide trapped in pressure-vessel hydrates

Equilibrium isotopic fractionation of copper during oxidation/reduction, aqueous complexation and ore-forming processes: Predictions from hybrid density functional theory

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New in G-Cubed
(open access) Masking of inter-annual climate proxy signals by residual tropical cyclone rainwater: Evidence and challenges for low-latitude speleothem paleoclimatology

Removing the "heavy mineral effect" to obtain a new Pb isotopic value for the upper crust

Magma storage and ascent conditions beneath Pico and Faial islands (Azores Islands). A study on fluid inclusions

Chemical weathering on the North Island of New Zealand: CO2 consumption and fluxes of Sr and Os

Sill and lava geochemistry of the mid-Norway and NE Greenland conjugate margins

Age, distance and geochemical evolution within a monogenetic volcanic field: Analyzing patterns in the Auckland volcanic field eruption sequence

Iron-rich nanoparticles formed by aeolian abrasion of desert dune sand

Inter-laboratory study for coral Sr/Ca and other element/Ca ratio measurements

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NSF Program Director Search
The NSF Division of Earth Sciences has a nationwide search for an Associate Program Director or Program Director of the Geobiology and Low-Temperature Geochemistry Program. The description of research areas covered by the program can be found at: Formal consideration of interested applicants will begin on Sept. 30, 2013. The position is available starting in January 2014 and is described more fully, including required qualifications, in the Dear Colleague Letter (EAR 12-002). Individuals interested in applying for this position should send a current CV and statement of interest addressed to Wendy Harrison.
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Chelyabinsk meteorite may have collided with another body in solar system
The researchers from the Institute of Geology and Mineralogy in Novosibirsk have analyzed fragments of the meteorite, the main body of which fell to the bottom of the Chebarkul Lake near Chelyabinsk on Feb. 15, 2013. Although all of the fragments are composed of the same minerals, the structure and texture of some fragments show that the meteorite had undergone an intensive melting process before it was subjected to extremely high temperatures on entering the Earth's atmosphere.
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Deep microbes live long and slow
BBC News
A diverse range of life forms exists deep below Earth's surface, scientists have concluded, but they survive at an incredibly slow pace. Long-lived bacteria, reproducing only once every 10,000 years, have been found in rocks 2.5km (1.5 miles) below the ocean floor that are as much as 100 million years old.
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Ocean acidification may substantially change aquatic ecosystems and even impact how we eat
Medical Daily
Ocean acidification — the term for how carbon emissions, which affect our air and atmosphere, are making the oceans more acidic — may drive substantial change in aquatic ecosystems during the 21st century, authors of a recently published paper have found. Ultimately, the long-term survival ability of certain species may be compromised, and this could impact the food resources found within the ocean.
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Massive Himalayan gorge partly carved by Lake Erie-sized floods
Ars Technica
The Grand Canyon may seem enormous, but it is not without competition. The Yarlung-Tsangpo River flows eastward across the Tibetan Plateau before cutting south across the Himalayan Range and feeding into the mighty Brahmaputra River. Where it bends to the south, it runs through the Tsangpo Gorge. The river channel is only about 200 meters wide there, and the steep walls climb to truly awesome heights. At one point, the peaks on either side of the river rise more than 4,000 meters (nearly 2.5 miles) into the air—dwarfing the depth of the Grand Canyon.
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Missed last week's issue? See which articles your colleagues read most.

    Newly discovered ocean plume could be major source of iron (SpaceDaily)
Molten magma can survive in upper crust for hundreds of millennia (ScienceDaily)

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


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