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'Black Smokers' in the Lau Basin

Slab tear explains perplexing Colombian earthquake activity | EARTH Magazine

Earth 100 Million Years From Now - a very compelling short video - Earth's landmasses were not always what they are today. Continents formed as Earth's crustal plates shifted and collided over long periods of time. This video shows how today's continents are thought to have evolved over the last 600 million years, and where they'll end up in the next 100 million years. Paleogeographic Views of Earth's History provided by Ron Blakey, Professor of Geology, Northern Arizona University.

Chunks of unstable Earth crust were recycled back into the mantle during the Archean eon

New subduction zone may close Atlantic ocean | EARTH Magazine

New subduction zone may close Atlantic ocean | EARTH Magazine

a map of Pangaea - the Earth 240 million years ago

Figure 3: Upper panel shows a simplified version of modern plate tectonics, driven by the edgewise sinking of strong, dense lithosphere in subduction zones. Lower panel shows a cartoon of how Earth’s tectonic regime might have been before plate tectonics began. In a hotter Earth, thin, weak lithosphere sank vertically, similar to modern scenarios of delamination or “drip tectonics”.

When did Plate Tectonics begin on Earth, and what came before?


Ancient Yellowstone Eruptions Not from Supervolcano : DNews