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Mineralogical Association Canada

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




 

Scientists unravel the mystery of marine methane oxidation
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Microbiologists and geochemists from the Max Planck Institute for Marine Microbiology, along with their colleagues from Vienna and Mainz, show that marine methane oxidation coupled to sulfate respiration can be performed by a single microorganism, a member of the ancient kingdom of the Archaea, and does not need to be carried out in collaboration with a bacterium, as previously thought. They published their discovery as an article in the renowned scientific journal Nature. More





 Society News


Featured Geochemical Career Center Postings
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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)

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

Head and Tenure-Track Professor in the Department of Earth Sciences (The University of Hong Kong, Hong Kong, China)

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

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

Tenure-Track Assistant Professor and Tier II Canada Research Chair in Applied Geochemistry (University of British Columbia, Vancouver, BC, Canada)

Final Days! Senior-Level Faculty Position in Paleoclimatology (Baylor University, Waco, TX, USA)

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New in GCA (v.98, 1 December 2012)
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Fine-grained rims surrounding chondrules in the Tagish Lake carbonaceous chondrite: Verification of their formation through parent-body processes

Perchlorate and chlorate biogeochemistry in ice-covered lakes of the McMurdo Dry Valleys, Antarctica

Ti diffusion in natural pyroxene

The central role of ketones in reversible and irreversible hydrothermal organic functional group transformations

The isotopic composition of Cadmium in the water column of the South China Sea

Boron isotopes in different grain size fractions: Exploring past and present water–rock interactions from two soil profiles (Strengbach, Vosges Mountains)

Tightly coupled records of Ca and C isotope changes during the Hirnantian glaciation event in an epeiric sea setting

Carbon isotope fractionation during calcium carbonate precipitation induced by ureolytic bacteria

Source of potassium in shocked ordinary chondrites

Formation conditions of plagioclase-bearing type I chondrules in CO chondrites: A study of natural samples and experimental analogs




 Latest News


EarthChem and Elsevier link up
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EarthChem and Elsevier have established a linking service between online journal articles and related geochemical datasets. ScienceDirect articles that include geologic samples from the EarthChem Portal display a sidebar banner under the "Bibliographic information" section. This banner links to a location map, sample list, and sample data from the EarthChem Portal. In turn, the EarthChem Portal links back to the ScienceDirect article. The quick access between the article and the underlying database provides richer context to the scientific research, and is an important step in the transition from print to electronic publishing. Read more and see an example.

Study: Swelling volcanoes could help predict eruptions in Alaska, elsewhere
Alaska Dispatch    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A new study of Indonesian volcanoes conducted by two University of Miami researchers could hold vital clues to the future of predicting explosive eruptions from volcanic peaks around the globe. Using data obtained from a satellite-based system known as Interferometric Sythetic Aperture Radar (InSAR), Ph.D. student Estelle Chaussard and her advisor Falk Amelung were able to discern tiny movements in the earth's surface near 79 volcanoes in the highly-volcanic west Sunda arc in Indonesia. More

Melting glaciers raise sea level
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Anthropogenic climate change leads to melting glaciers and rising sea level. Between 1902 and 2009, melting glaciers contributed 11 cm to sea level rise. They were therefore the most important cause of sea level rise. This is the result of a new assessment by scientists of the University of Innsbruck. They numerically modeled the changes of each of the world's 300,000 glaciers. Until 2100, glaciers could lead to an additional 22 cm of sea level rise. More

10 ways geoengineering could save the world
io9    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The climate is changing. It was bound to happen, whether humans intervened or not. The Earth has gone through so many climate changes over its 4.5 billion years of life that it's enough to make your head spin — or melt, or get eroded by corrosive elements in the atmosphere, depending on what geological era you lived through. Over 25 million years ago, icy Antarctica was a tropical paradise. But as it and the north pole froze over, the planet entered a cooler period that was ideal for the evolution of humans and many other creatures in our current ecosystems. More


 

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