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Mineralogical Association Canada

Check our latest publications from our short-course volumes, special publications or Canadian Mineralogist thematic issues




 

Water balance of global aquifers revealed by groundwater footprint
Nature    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Groundwater is a life-sustaining resource that supplies water to billions of people, plays a central part in irrigated agriculture and influences the health of many ecosystems. Most assessments of global water resources have focused on surface water, but unsustainable depletion of groundwater has recently been documented on both regional and global scales. More





 Society News


Your support makes 2012 a banner year for The Geochemical Society
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Thanks to our volunteers, our members, and the geochemical community, 2012 has been an incredible year for the Geochemical Society. We reached two impressive milestones: a membership of 3,793 in 60 countries is the largest in the Society's 57-year history; and 2,986 total participants at the Montreal Goldschmidt is the most for a North American Goldschmidt conference. These represent a 14 percent average annual growth in membership and conference attendance since 2000. We have also been able to expand and grow our programs: Geochemical News re-launched in 2012 as a weekly newsletter; critical editorial issues with GCA were resolved; and the Geochemical Career Center posted 27 jobs from four countries. We look forward to continuing to be your source for geochemistry conferences, publications, programs and services in 2013.

2013 Geochemical Society Membership
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If you are one of the over 2,900 members who have already renewed for 2013 — THANK YOU! Your membership and donations are critical in helping us promote geochemistry internationally. If you have not, please take a moment to renew now. Membership rates through Jan. 31 are US$ 30 for professionals and US$ 10 for students. Members receive several benefits most notably a subscription to Elements magazine, complete online access to the Elements archive, and a discount on registration to the Goldschmidt conference.

Featured Geochemical Career Center Postings
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Graduate student opportunities in applied geochemistry research (Multidisciplinary Applied Geochemistry Network, Canada)

Senior Professional Staff - Geoscientist (Nuclear Waste Technical Review Board, Arlington, VA, USA)

Assistant Professor, Chemical Oceanography (Florida State University, Tallahassee, FL, USA)

Postdoctoral Scholar, Dept of Geological Sciences (Indiana University, Bloomington, IN, USA)

Final Days! Postdoctoral and Graduate Fellowships, Dept. of Mineral Sciences (Smithsonian Institution, Washington, DC, USA)

Final Days! Tenure-track Faculty Position (Case Western Reserve University, Cleveland, OH, USA)

Job Seekers: It only takes a few minutes to create an account to apply for jobs. Sign up now for access to all the great features on Geochemical Career Center.

Employers: For a nominal fee (a single 60-day post is US$250), the link to your post will be distributed in a future issue of Geochemical News – reaching over 4,700 subscribers and also on our Facebook page with over 1,200 likes.


New in GCA (v.100, 1 Jan 2013)
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Micron-scale coupled carbon isotope and nitrogen abundance variations in diamonds: Evidence for episodic diamond formation beneath the Siberian Craton

Submarine weathering of silicate minerals and the extent of pore water freshening at active continental margins

Formation condition of monohydrocalcite from CaCl2–MgCl2–Na2CO3 solutions

Sorption and precipitation of Mn2+ by viable and autoclaved Shewanella putrefaciens: Effect of contact time

Experimental determination of rhyolitic glass dissolution rates at 40–200 ºC and 2 < pH < 10.1

Temperature dependence of oxygen isotope fractionation in coccolith calcite: A culture and core top calibration of the genus Calcidiscus

(U–Th)/He ages of phosphates from St. Séverin LL6 chondrite

Lead isotopes behavior in the fumarolic environment of the Piton de la Fournaise volcano (Réunion Island)




 Latest News


Global carbon dioxide emissions reach new record high
Nanowerk News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The international Global Carbon Project consortium has announced that global carbon dioxide emissions in the atmosphere will reach a record high of 35.6 billion tons in 2012 ("The challenge to keep global warming below 2° C"). The main reasons for the rise is the increase in carbon emissions caused by the combustion of fossil fuels. Scientists estimate that emissions from this source have increased by 2.6 percent compared to the previous year. The emissions thus exceed 1990 levels by almost 60 percent; 1990 is the base year for the Kyoto Protocol. The concentration of carbon dioxide in the atmosphere reached a new high in 2011 when levels reached 391 parts per million. More

How life emerged from Earth's abiotic chemistry
Daily News & Analysis    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A new synthesis by two Santa Fe Institute researchers has provided a coherent picture of how metabolism, and thus all life, arose. The study offered new insights into how the complex chemistry of metabolism cobbled itself together, the likelihood of life emerging and evolving as it did on Earth, and the chances of finding life elsewhere. More

1,500-year cycle found in Arctic atmospheric pattern
The Epoch Times    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A team of scientists supported by the National Science Foundation (NSF) has identified for the first time a clear 1,500-year cycle in the far North's surface atmosphere pressure pattern. Called the Arctic Oscillation (AO), the cycle greatly influences weather in the Northern Hemisphere. Lead researcher Dennis Darby, a geological oceanographer at Virginia's Old Dominion University, used the findings to describe a worst-case scenario in which the cyclical pressure pattern could combine with man-made climate change to exacerbate severe weather and flooding trends. More


 

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