Rogue Scholar Beiträge

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Veröffentlicht in Geo★ Down Under
Autoren Ben Mather, Marianne Richter

Earth’s tectonic plates are constantly moving. Over millions of years new plates form at oceanic ridges, while others form mountains or even sink back in the mantle and disappear from the surface. The unique geochemical signature of sunken plates can be preserved and reappear in newly formed crust.

Veröffentlicht in Geo★ Down Under
Autor Dietmar Muller

Kyle Manley, Tristan Salles Dietmar Müller Since roughly 1880 the Earth has warmed by 1 deg C, many times faster than any warming episode in the past 65 million years of Earth’s geological history. We will need to remove hundreds of gigatons of carbon dioxide (CO2) from the atmosphere by the end of the twenty-first century to keep global warming below 2°C within the constraints of the global carbon budget.

Veröffentlicht in Geo★ Down Under
Autoren Sara Morón, Rohan Byrne

A group of researchers have traced a mighty Gondwana river back to its distant source - in the mountains of East Antarctica. They’ve been able to show that this colossal river flowed for over 200 million years, making it a candidate for one of the top ten longest-lived rivers in Earth’s history.