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Bacteria left a methane mess after Gulf Oil spill
Nature via Scientific American
When the blowout of the Deepwater Horizon oil well sent some 400,000 tonnes of methane into the Gulf of Mexico in April 2010, many scientists and others feared it would linger. So researchers were pleasantly surprised when studies suggested that methane-eating bacteria had consumed nearly all of it by August.
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SOCIETY NEWS


Geochemical Career Center
GS


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




Postdoctoral Position in Geochemistry Instrumentation (University of Alabama, Tuscaloosa, AL, USA)




Division Director, Division of Earth Sciences (NSF, Arlington, VA, 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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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 us at Goldschmidt 2014 in Sacramento, booth 39.
 


New in GCA (v.133, 15 May 2014)
GS
Carbon and oxygen isotope composition of Pb-, Cu- and Bi-carbonates of the Schwarzwald mining district: Carbon sources, first data on bismutite and the discovery of an oxidation zone formed by ascending thermal water

Key geochemical factors regulating Mn(IV)-catalyzed anaerobic nitrification in coastal marine sediments

A first transect of 236U in the North Atlantic Ocean

Sulfur isotope budget (32S, 33S, 34S and 36S) in Pacific–Antarctic ridge basalts: A record of mantle source heterogeneity and hydrothermal sulfide assimilation

Component geochronology in the polyphase ca. 3920 Ma Acasta Gneiss

Case study of magmatic differentiation trends on the Moon based on lunar meteorite Northwest Africa 773 and comparison with Apollo 15 quartz monzodiorite

Aluminum speciation in aqueous fluids at deep crustal pressure and temperature

Adsorption of l-glutamic acid and l-aspartic acid to γ-Al2O3

The isotope effect of denitrification in permeable sediments

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PRODUCT SHOWCASE
  Carmichael's classic wet chemistry handbook published

Thanks to Terry Plank and Becky Lange, the historical handbook for Wet Chemistry by Ian Carmichael is now preserved and published in the EarthChem Library. The handbook describes classic wet chemistry techniques from decades in Carmichael’s lab (including standard values), probably the most precise way to measure major Elements.
 


Conference Calendar June deadlines
GS
Abstract Deadlines
June 1: Geochemistry of the Earth's Surface Working Group (GES-10) (France)
June 12: 14th Quadrennial IAGOD Symposium (China)
June 15: 5th International Maar Conference (Mexico)
June 20: Planet Formation and Evolution 2014 (Germany)
June 24: Annual Meeting of the Meteoritical Society (Morocco)

Registration Deadlines
June 1: Geochemistry of the Earth's Surface Working Group (GES-10) (France)
June 12: 14th Quadrennial IAGOD Symposium (China)
June 15: Urban Geochemistry Working Group Meeting (USA)
June 20: Planet Formation and Evolution 2014 (Germany)
June 23: IUMAS-6 Held in Conjunction with Microscopy & Microanalysis 2014 (USA)
June 23: Microscopy & Microanalysis 2014 (USA)
June 30: 248th ACS National Meeting & Exposition (USA)
June 30: Joint SGI-SIMP Meeting (Italy)
June 30: 92nd Annual Meeting of the German Mineralogical Society (DMG) (Germany)

Conference organizers — be sure to add your conference to our conference calendar.

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LATEST NEWS


Why Earth might heat up faster than we thought
Futurity
Climate scientists say previous estimates of how much the planet will warm if the amount of carbon dioxide in the atmosphere doubles — known as climate sensitivity — may be flawed. "Over the past few years, a debate has raged in the scientific community over climate sensitivity," says Andrew Dessler, professor of atmospheric sciences at Texas A&M University. "Many researchers found that the 20th-century warming suggested a lower climate sensitivity of about 4 degrees F, while climate models and the paleoclimate record suggested a higher climate sensitivity of 6 degrees F," Dessler says.
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What caused a 1300-year deep freeze?
Science
Things were looking up for Earth about 12,800 years ago. The last Ice Age was coming to an end, mammoths and other large mammals romped around North America, and humans were beginning to settle down and cultivate wild plants. Then, suddenly, the planet plunged into a deep freeze, returning to near-glacial temperatures for more than a millennium before getting warm again. The mammoths disappeared at about the same time, as did a major Native American culture that thrived on hunting them.
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California mountains rise as groundwater depleted in state's Central Valley: May trigger small earthquakes
ScienceDaily
The weight of water pumped from California's agricultural heartland, the Central Valley, over the past 150 years is enough to allow Earth's crust to rebound upward, raising surrounding mountain ranges, the Sierra Nevada and Coast Ranges, some six inches. Winter rains and summer pumping cause annual up and down movements that could affect earthquakes on the San Andreas Fault, which parallels the ranges.
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Conference on Deep Earth Processes
The Geological Society
Geological Society of London on Sept. 15-16, 2014. This international meeting seeks to draw together the latest ideas and results from geophysicists, geochemists, mineral physicists, geodynamicists and petrologists to identify the processes shaping the inaccessible depths of our planet and examine how they are manifested at its surface. Abstract deadline May 30, 2014. Further information about the conference may be found at: www.geolsoc.org.uk/deepearth14 and #deepearth14.
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TRENDING ARTICLES
Missed last week's issue? See which articles your colleagues read most.

    Climate change threatens to worsen US ozone pollution (ScienceDaily)
Ice-loss moves the Earth 250 miles down (ScienceDaily)

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