Prehistoric volcanic eruption leaves intercontinental footprint | #Geology #GeologyPage A new study led by University of Alberta researchers has shown that a volcanic eruption 1,200 years ago scattered ash from Alaska to Europe—a discovery that will help researchers understand how future eruptions could affect the world. Britta Jensen and Duane Froese in the U of As Faculty of Science led the research, which showed that a distinct deposit of white, sand-sized grains of volcanic ash visible just below the modern forest floor over much of the Yukon and southern Alaska is present not only near the originating Mount Bona-Churchill in Alaska, but also in the Greenland Ice Sheet and across northwestern Europe. Read more : geologypage/2014/09/prehistoric-volcanic-eruption-leaves.html Geology Page geologypage
Posted on: Mon, 06 Oct 2014 10:00:01 +0000
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