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One in five suns has habitable world
BBC News
Astronomers have estimated how many of the 100 billion stars in our galaxy hosts a potentially habitable planet. Using data from Nasa's Kepler space telescope, they argue that one in five stars like the Sun hosts an Earth-sized world located in the "habitable zone".
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Input needed: Goldschmidt2014 Field Trips
A preliminary list of 15 pre- and post-meeting field trips for the California Goldschmidt Conference has been announced. The decision about which trips will, and will not, be conducted in association with the 2014 Goldschmidt will be determined on the basis of the number of people expressing interest in each trip by Dec. 1. To learn more about the trips and to submit your interest, please see The list of proposed pre-conference trips is appended below. The list of post-conference trips is available on the Goldschmidt website, and will be listed in Geochemical News next week.
  • The Sierra Nevada — Geologic and Human Aspects of the Assembly of California
  • The Franciscan Complex and Related Rocks
  • Geysers Geothermal Field & Frog's Leap winery
  • Iron Mountain Superfund site, near Redding, CA
  • A Taste of the Terroir of the Napa Valley
  • Southern Sierra CZO
  • Timing, distribution, amount and style of Cenozoic extension in the Northern Great Basin

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GS and AGU Pursue Joint Activities
The Geochemical Society recently signed an agreement with the American Geophysical Union (AGU) to coordinate efforts in support of geochemistry. The reciprocal arrangements include member registration rates for both AGU and the GS-organized Goldschmidt Conferences and regular meetings of leadership representatives from both organizations to enhance shared activities. Other aspects include advertisement in Geochemical News of geochemically-oriented titles in the GS-sponsored AGU journal Geochemistry Geophysics Geosystems (G-cubed) and the involvement of GS Program Committee members in session planning for the AGU Annual and Meeting of the Americas Conferences. The GS will cosponsor the VGP reception and have an exhibit booth (Booth 1201) at the upcoming AGU Annual Meeting in San Francisco. Be sure to stop by and see the latest developments in geochemistry including the latest information on the California Goldschmidt Conference which will be held in Sacramento from June 8-13, 2014. The GS looks forward to working with AGU to expand opportunities in geochemistry world-wide.
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Geochemical Career Center

New! Assistant/Associate Professor in Geochemistry (Laurentian University, Sudbury, ON, Canada)

Assistant or Associate Professor - Lithogeochemistry (Colorado School of Mines, Golden, CO, USA)

Manager of Stable Isotope Laboratory (University of Tennessee, Knoxville, TN, USA)

Roger E. Deane Postdoctoral Fellowship (University of Toronto, Toronto, ON, Canada)

Tenure Track Assistant Professor-Geochemistry (Stony Brook University, Stony Brook, NY, USA)

Faculty Member in Geobiology or Paleobiology (UCLA, Los Angeles, CA, USA)

Research Associate in Raman Spectroscopy (University of Colorado, Boulder, CO, USA)

Assistant Professor of Coastal Systems and Geochemistry (University of Massachusetts Boston, Boston, MA, USA)

Tenured Full Professor in Organic Geochemistry (University of Oldenburg, Oldenburg, Germany)

Carnegie Postdoctoral Fellowship Positions in Geochemistry, Cosmochemistry, and Astrobiology (Carnegie Institution of Washington, Washington, DC, USA)

Assistant Professor of Organic Geochemistry (The University of Tulsa, Tulsa, OK, USA)

Final Days! Assistant Professor, Isotope Geochemistry (Tulane University, New Orleans, LA, USA)

Final Days! Two Assistant Professor Positions Geochemistry and Hydrogeology/Geofluids (Oklahoma State University, Stillwater, OK, USA)

Job Seekers: View current openings | Post your resume | Career resources

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New in GCA (v.121, 15 November 2013)
[OPEN ACCESS] Identification by Raman spectroscopy of Mg–Fe content of olivine samples after impact at 6 km s−1 onto aluminium foil and aerogel: In the laboratory and in Wild-2 cometary samples

Nitrogen solubility in molten metal and silicate at high pressure and temperature

Formation of crystalline PuO2+x•nH2O nanoparticles upon sorption of Pu(V,VI) onto hematite

Theoretical investigation of the thermodynamic structures and kinetic water-exchange reactions of aqueous Al(III)–salicylate complexes Lignin methoxyl hydrogen isotope ratios in a coastal ecosystem

Silicon isotope variations in the inner solar system: Implications for planetary formation, differentiation and composition

Investigation of Eu(III) immobilization on γ-Al2O3 surfaces by combining batch technique and EXAFS analyses: Role of contact time and humic acid

Difference in the stable isotopic fractionations of Ce, Nd, and Sm during adsorption on iron and manganese oxides and its interpretation based on their local structures

Multiple sulfur and carbon isotope composition of sediments from the Belingwe Greenstone Belt (Zimbabwe): A biogenic methane regulation on mass independent fractionation of sulfur during the Neoarchean?

Reductive dissolution of goethite and hematite by reduced flavins

Determining provenance of marine metal pollution in French bivalves using Cd, Zn and Pb isotopes

A hierarchical Bayesian approach to the classification of C3 and C4 grass pollen based on SPIRAL δ13C data

Continental sedimentary processes decouple Nd and Hf isotopes

The influence of salinity on Mg/Ca in planktic foraminifers – Evidence from cultures, core-top sediments and complementary δ18O

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Volcanic obsidian lava flows for a year
BBC News
An explosive volcanic eruption in Chile has given scientists the first direct insight into the strange motion of rocky lava known as obsidian flow.
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Environmental changes following Pangea integration may have caused mass extinction event
The integration of Pangea that began during the early Permian period may have caused the environment to deteriorate, playing a role in the mass extinction event that occurred 250 million years ago, according to research appearing in the most recent edition of the journal Science China Earth Sciences.
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A new 'golden spike' monument in Colorado marks geologic time
For something that is supposed to keep track of 4 billion years of history, the geologic time scale is quite a fuzzy and slippery yardstick. After two centuries of careful research and argumentation, the world's geologists have only recently adopted a system to literally nail down the different time periods taught in geology school. That project recently took another slow step forward as a "golden spike" was officially driven into a precise spot on the ground near Pueblo, Colo. — a benchmark for the beginning of the Turonian Age.
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Russian fireball yields scientific treasure trove
A team of NASA and international scientists for the first time have gathered a detailed understanding of the effects on Earth from a small asteroid impact. The unprecedented data obtained as the result of the airburst of a meteoroid over the Russian city of Chelyabinsk on Feb. 15, 2013, has revolutionized scientists' understanding of this natural phenomenon.
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Missed last week's issue? See which articles your colleagues read most.

    Is global heating hiding out in the oceans? Parts of Pacific warming 15 times faster than in past 10,000 years (ScienceDaily)
Hotspot? Not! Antarctic volcanoes' surprising source (LiveScience)

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