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For the new study, the research team collected samples of sandstone from the 1.1km-thick Port Askaig Formation as well as from the older, 70-meter thick Garbh Eileach Formation underneath. They ...

One spring day last year, Mark Longman was hiking around Castlewood Canyon State Park with questions that mounted with every boulder and rock wall he passed. A career geologist and longtime Denver ...

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Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

A slice of the El Ali meteorite, now housed in the U of A's Meteorite Collection, contains two minerals never before seen on Earth. A team of researchers has discovered at least two new minerals that ...

An international research team involving scientists from the University of Vienna, the Faculty of Physics of the University of Warsaw and Univeristy of Edinburgh has described the process of growing ...