The Section
Highlights
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Early Career Poster Award 2017 for Ina Neugebauer and Camille Thomas
The International Association of Sedimentologists (IAS) and the French Association of Sedimentologists (ASF) have held the first joint International Meeting of Sedimentology in Toulouse, France, between the 10th and 12th of October. The Early Career Poster Award 2017 for best poster presentations wa…
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Climate change can goad volcanoes into life
The possibility that temporary closure of the Gibraltar gateway and isolation of the Mediterranean from the Atlantic during the Messinian Salinity Crisis (5.96 My ago) led to near complete desiccation of the Mediterranean has been debated for more than four decades, but no definitive proof of this h…
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New paper unravels the composition of Earth’s continental crust 3.5 billion years back in time
A new study by Greber et al. shows that the most abundant rock in Earth’s continental crust 3.5 billion years ago was similar to the granitic peaks from Yosemite National Park (USA). Photo: Basil Greber
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A pervasive tropical climate in SE Tibet 35.5 Ma ago
A global cooling of the Earth climate has characterized the Eocene-Oligocene transition that initiated the Antarctic glaciation ca. 33.7 Ma and a shift from greenhouse to icehouse conditions. What was the impact of these climatic changes in the continental realm, particularly in tropical regions aff…
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IAVCEI George Walker Medal 2017 to Dr Sebastién Biass
Dr Sebastien Biass, who completed his Bachelor, his Master, his CERGC certificate and his PhD at the University of Geneva has received the IAVCEI Walker Medal on August 15th for his scientific achievements related to his PhD project with the title "New strategies of volcanic hazard and risk assessme…
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Cellular toxicity pathways of mercury
Contamination by mercury is a worldwide concern because of Hg toxicity and biomagnification in aquatic food webs. Nevertheless, the bioavailability and cellular toxicity pathways of the two mercury species -inorganic and methylmercury- prevailing in the aquatic media remain poorly understood. By us…
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Congratulations to Jessica Ryan for her Swiss NSF grant
Jessica Ryan, a PhD candidate in prehistoric archaeology, received a subsidy DOC.ch from the SNF for her thesis entitled, “Entheseal Changes for Interpreting Bell Beaker Archery: The Search for Specialized Warriors”. This thesis aims at the anthropological and archaeological identification of specia…
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New Paper in Geology
Continuous outgassing at open conduit basaltic volcanoes significantly decrease their explosive potential. What is controlling the longevity and efficiency of gas liberation, which is a common process at several systems such as Etna, Stromboli, and Piton de la Fournaise? This paper discusses the res…
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New paper details the negative impact of Chaoborus on lake ecology
Phantom midge larvae Chaoborus spp. are prevalent in eutrophic lakes globally. The insects diurnally migrate, and dwell in the sediments during the day - bioturbating the sediments. We found that their respiration can significantly increase sediment and water column oxygen demand. Furthermore, the m…
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New paper in Nature Communications : the link between CAMP and the end-Triassic mass extinction
New high-precision U-Pb ages of zircon from mafic igneous rocks of the Central Atlantic Magmatic Province (CAMP) were published in a new article in Nature Communications by Davies et al. The study reveals that part of the sills, dykes and intrusions of the CAMP predate the end-Triassic extinction ev…