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February 2011 Geosphere highlights
Boulder, CO, USA – The February 2011 Geosphere includes two articles designated for the latest Geosphere theme, “New developments in Grenville geology: In honor of James McLelland.” Other topics include 3-D characterization of rocks, ash, minerals, …
New way found of monitoring volcanic ash cloud
The eruption of the Icelandic volcano Eyjafjallajökull in April this year resulted in a giant ash cloud, which — at one point covering most of Europe — brought international aviation to a temporary standstill, resulting in travel chaos for tens…
Research suggests volcanoes nixed Neanderthals
New research suggests that climate change following massive volcanic eruptions drove Neanderthals to extinction and cleared the way for modern humans to thrive in Europe and Asia.
The research, led by Liubov Vitaliena Golovanova and Vladimir Bori…
Volcano fuels massive phytoplankton bloom
Advocates for seeding regions of the ocean with iron to combat global warming should be interested in a new study published today in Geophysical Research Letters. A Canada-US team led by University of Victoria oceanographer Dr. Roberta Hamme describ…
Mystery of Lightning in the Iceland volcano solved by Nanoparticles?
Charge produced at the instant nanoparticles form upon rubbing of ash particle surfaces may solve the long-standing mystery of how lightning iin volcanoes is electrified.