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Earth's continued habitability due to geologic cycles that act as climate control
Scientists have shown how geologic process regulates the amount of carbon dioxide in the atmosphere. Researchers have documented evidence suggesting that part of the reason that Earth has become neither sweltering like Venus nor frigid like Mars lies with a built-in atmospheric carbon dioxide regulator — the geologic cycles that churn up the planet's rocky surface.
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Goldschmidt2014: Exhibition and sponsors
The exhibition serves as the heart of the conference, a place for delegates to network and socialize between and after sessions. Poster sessions and refreshment services are located near and around the exhibition. Goldschmidt2014 has a growing number of exhibitors and sponsors. If your organization is interested in obtaining a booth or sponsorship, please download the Exhibition and Sponsorship Prospectus. Exhibition bookings are being accepted through April 25.
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  Analab corrosion resistant laboratory appliances

Analab manufacture corrosion resistant laboratory appliances such hotplates, acid vapour cleaning stations 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.

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Geochemical Career Center

New! Division Director, Division of Earth Sciences (NSF, Arlington, VA, USA)

Director, Romberg Tiburon Center for Environmental Studies (San Francisco State University, San Francisco, CA, USA)

2 Postdoctoral positions and 3 doctoral positions (University of Münster, Münster, Germany)

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.128, 1 March 2014)
Pyrophosphate synthesis in iron mineral films and membranes simulating prebiotic submarine hydrothermal precipitates

Understanding 2H/1H systematics of leaf wax n-alkanes in coastal plants at Stiffkey saltmarsh, Norfolk, UK

Preservation of NOM-metal complexes in a modern hyperalkaline stalagmite: Implications for speleothem trace element geochemistry

Impact of organic carbon and iron bioavailability on the magnetic susceptibility of soils

Biotite surface chemistry as a function of aqueous fluid composition

The lithophile trace elements in enstatite chondrites

Early Triassic seawater sulfate drawdown

Characterization of natural titanomagnetites (Fe3−xTixO4) for studying heterogeneous electron transfer to Tc(VII) in the Hanford subsurface

Iron isotopes in the Seine River (France): Natural versus anthropogenic sources

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Urban Geochemistry Working Group Meeting sponsored by the IAGC
August 5-7 at The Ohio State University, Columbus, Ohio USA
Online registration ends June 15, 2014
This working meeting consists of plenary addresses, several poster sessions, and a number of "breakout" groups in which we will formulate goals for the working group and the general framework for urban geochemistry. The goals are to 1) develop a definition of Urban Geochemistry, 2) develop the goals of Urban Geochemistry, and 3) produce a white paper that summarizes the need and development of the group within the IAGC. Please visit our website for scientific themes. The number of participants will be limited due to the size of the venue and the desire to develop the vision and future of the group through the smaller breakout sessions. For this reason, we may have to close registration early, so register soon!

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Seafloor sensors, hand delivered by Alvin
Geobiologist Jeff Marlow is reporting from the Alvin Science Verification Cruise in the Gulf of Mexico. This expedition marks the first time that the Alvin Deep Submergence Vehicle will be back in the water doing science since its 3-year, $41 million upgrade funded by the National Science Foundation and Woods Hole Oceanographic Institution.
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Ocean's carbon budget balanced: Supply of food to midwater organisms balanced with demands for food
Ocean scientists have, for the first time successfully balanced the supply of food to midwater organisms with their demands for this food. The depth at which they consume this sinking material regulates our climate by determining how much carbon is stored by the ocean and how much remains in the atmosphere. The study in the North Atlantic focuses on "marine snow" — bacteria, microscopic animals and sinking organic matter.
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Missed last week's issue? See which articles your colleagues read most.

    This rough diamond hints at oceans' worth of water inside Earth (EarthSky)
More accurate data on thousands of years of climate change (ScienceDaily)

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