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Mineralogical Association Canada

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




 

NASA Mars rover fully analyzes first soil samples
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NASA's Mars Curiosity rover has used its full array of instruments to analyze Martian soil for the first time, and found a complex chemistry within the Martian soil. Water and sulfur and chlorine-containing substances, among other ingredients, showed up in samples Curiosity's arm delivered to an analytical laboratory inside the rover. More





 Society News


Featured Geochemical Career Center Postings
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New! 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)

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

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

Faculty Position in Planetary Science (Johns Hopkins University, Baltimore, MD, USA)

Dow Sustainability Postdoctoral Fellowship (University of Michigan, Ann Arbor, MI, USA)

Final Days! Tenure-Track Associate Professor / Assistant Professor in the Department of Earth Sciences (The University of Hong Kong, Hong Kong, China)

Final Days! Assistant Professor in Earth and Planetary Sciences (Washington University, St. Louis, MO, USA)

Final Days! Endowed Professorship in Climate Change (Washington University, St. Louis, MO, USA)

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New in GCA (v. 99, 15 December 2012)
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In-situ Pb isotope analysis of Fe-Ni-Cu sulphides by laser ablation multi-collector ICPMS: New insights into ore formation in the Sudbury impact sheet

Fe cycling in the Shale Hills Critical Zone Observatory, Pennsylvania: An analysis of biogeochemical weathering and Fe isotope fractionation

Reconstruction of the Nd isotopic composition of seawater on epicontinental seas: Testing the potential of Fe-Mn oxyhydroxide coatings on foraminifera tests for deep-time investigations

Nano sized clay detected on chalk particle surfaces

High-precision and high-resolution carbonate 230Th dating by MC-ICP-MS with SEM protocols

Endospore abundance and D:L-amino acid modeling of bacterial turnover in Holocene marine sediment (Aarhus Bay)

New insight into Cm(III) interaction with kaolinite - influence of mineral dissolution

Fractionation and fragmentation of glass cosmic spherules during atmospheric entry

Factors controlling the silicon isotope distribution in waters and surface sediments of the Peruvian coastal upwelling

Skeletal growth dynamics linked to trace-element composition in the scheractinian coral Pocillopora damicornis




 Latest News


Habitable Worlds Across Space and Time
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The 2013 STScI Spring Symposium, April 29 - May 2, 2013

In this four-day symposium, scientists from diverse fields will discuss the formation and long-term evolution of terrestrial bodies throughout the various phases of stellar and Galactic evolution. A particular focus will be in how the specific conditions and challenges for habitability on Earth extend to other bodies in the Solar System and beyond. Abstract submission deadline: March 15, 2013. On-line registration deadline: March 29, 2013. More information on the Symposium.


Models behind ocean floor formation 'naive': Australian geochemists
Cosmos    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Geophysicists' current models of how the mantle melts, enters magma chambers and eventually forms the ocean floor can't explain the high levels of trace elements found in the ocean floor, and are "naive", said Australian researchers. More

Ice water discovered on Mercury: NASA
Science World Report    Share    Share on FacebookTwitterShare on LinkedinE-mail article
It has been confirmed by NASA that the hottest planet Mercury may have traces of water ice and frozen material. According to NASA's announcement, its Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) spacecraft has identified new evidence of water ice on Mercury therby supporting the hypothesis that the planet harbors abundant water. More

Ancient microbes found living beneath the icy surface of Antarctic lake
ScienceDaily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A pioneering study published in the Proceedings of the National Academy of Sciences (PNAS) and co-authored by Dr. Alison Murray and Dr. Christian Fritsen of Nevada's Desert Research Institute (DRI) reveals, for the first time, a viable community of bacteria that survives and ekes out a living in a dark, salty and subfreezing environment beneath nearly 20 meters of ice in one of Antarctica's most isolated lakes. More

How do we know the age of the Earth?
USA Today    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Forget arguing about the age of the Earth. Caltech geophysicist Clair Patterson figured out it was 4.5 billion years old. And he used the same technique to get the lead out of the air we breathe. More

6 million years? Age estimates of Grand Canyon way off, says study
Science 2.0    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The Grand Canyon is spectacular to look at but figuring out how old it is can be frustrating. A new paper says that conventional models and estimates of the last 150 years are way off - it is far older than the 5 to 6 million years old commonly thought. More


 

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