#Study of ancient rocks suggests oxygen depletion in oceans led to end-Triassic mass extinction

“#Study of ancient rocks suggests oxygen depletion in oceans led to end-Triassic mass extinction” September 10, 2020 report Simplified paleogeographical map for Triassic-Jurassic transition showing localities for all three studied sections. Credit: Science Advances (2020). DOI: 10.1126/sciadv.abb6704 A team of researchers from the U.K., China, and Italy has found evidence that suggests oxygen depletion in…

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#Researchers document the ‘life cycle’ of a volcano

“#Researchers document the ‘life cycle’ of a volcano” Bezymianny is an active stratovolcano on the Kamchatka peninsula in eastern Russia. Credit: GFZ Volcanoes are born and die—and then grow again on their own remains. The decay of a volcano in particular is often accompanied by catastrophic consequences, as was the most recent case for Anak…

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#Deep channels link ocean to Antarctic glacier

“#Deep channels link ocean to Antarctic glacier” Credit: Pixabay/CC0 Public Domain Newly discovered deep seabed channels beneath Thwaites Glacier in West Antarctica may be the pathway for warm ocean water to melt the underside of the ice. Data from two research missions, using aircraft and ship, are helping scientists to understand the contribution this huge…

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#Researchers are developing models to predict storm surges

“#Researchers are developing models to predict storm surges” Credit: CC0 Public Domain Storm surges sometimes can increase coastal sea levels 10 feet or more, jeopardizing communities and businesses along the water, but new research from the University of Central Florida shows there may be a way to predict periods when it’s more likely that such…

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#Gravelly soil could provide a new understanding of liquefaction

“#Gravelly soil could provide a new understanding of liquefaction” UC Engineering academic Dr Gabriele Chiaro and his team started drilling near Lansdowne Park in Blenheim on Monday to research liquefaction in gravel. Led by a University of Canterbury engineer, researchers are drilling deep into Marlborough land to gain new understanding of liquefaction in gravelly soils,…

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#Deep underground forces explain quakes on San Andreas Fault

“#Deep underground forces explain quakes on San Andreas Fault” Credit: Unsplash/CC0 Public Domain Rock-melting forces occurring much deeper in the Earth than previously understood appear to drive tremors along a notorious segment of California’s San Andreas Fault, according to new USC research that helps explain how quakes happen. The study from the emergent field of…

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#Japan’s geologic history in question after discovery of metamorphic rock microdiamonds

“#Japan’s geologic history in question after discovery of metamorphic rock microdiamonds” Credit: CC0 Public Domain A collaboration of researchers based in Kumamoto University, Japan have discovered microdiamonds in the Nishisonogi metamorphic rock formation in Nagasaki Prefecture, Japan. Microdiamonds in metamorphic rocks are important minerals because they form in continental collision zones and show that the…

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#Image: Gulf of Kutch, India

“#Image: Gulf of Kutch, India” Credit: contains modified Copernicus Sentinel data (2020), processed by ESA, CC BY-SA 3.0 IGO The Copernicus Sentinel-2 mission takes us over the Gulf of Kutch—also known as the Gulf of Kachchh—an inlet of the Arabian Sea, along the west coast of India. The Gulf of Kutch divides the Kutch and…

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