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Tag: Geology

Stanford University: “Natural concrete” beneath Italian volcano explains mysterious uplift

The discovery beneath Campi Flegrei, a dormant supervolcano in southern Italy, of a concrete-like rock that is similar to Roman concrete explains why the ground beneath the town of Pozzuoli rose by several meters in the 1980s, forcing the evacuation of 40,000 people.  

Kurzgesagt: Everything You Need to Know About Planet Earth

Planet Earth is this solid thing you are standing on right now. In your everyday life you don’t really waste a thought about how amazing this is. A giant, ancient, hot rock. How did it come into existence and how big is it really? You will be surprised. The ground you are standing on is …

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Alltime10s: 10 Incredible Geological Formations

Published on Mar 15, 2014 Chocolate hills, fairy chimneys, and stone forests may sound like something from a fairytale, but these awe-inspiring landmarks can all be found on earth. They’re 10 Incredible Geological Formations.  

NASA: The grandest of canyons discovered under ice sheet

The age of discovery is not over, hidden for all of human history, a 740 kilometers (460 mile) long canyon has been discovered below Greenland’s ice sheet. Using radar data from NASA’s Operation IceBridge and other airborne campaigns, scientists led by a team from the University of Bristol found the canyon runs from near the …

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James Head: Geology of the Terrestrial Planets

SETI Talks presents James Head talking about geology on terrestrial planets. SETI writes: The dynamic nature of the Earth (erosion and plate tectonics) has largely destroyed the record of the formative years of our own Home Planet. Revealed on the other Earth-like planetary bodies (Moon, Mercury, Mars, and Venus) are startling and diverse landscapes recording the geological record …

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Peter Jenniskens: Meteorite finds

SETI Talks presents Peter Jenniskens talking about meteorites. Petrus Jenniskens is a Dutch astronomer and a senior research scientist at the Carl Sagan Center of the SETI Institute and at NASA Ames Research Center. He is an expert on meteor showers.