News tagged with rock

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Fracking risks to ground water assessed

(Phys.org) —Extraction of "unconventional" gas from sedimentary rocks such as shale could provide a clean energy source and help some regions to become energy independent, but concerns have been raised ...

May 17, 2013 weblog
3.7 / 5 (26) 51 | with audio podcast

Levitation recreates nature's dumbbells

Splash form tektites are tiny pieces of natural glass created out of spinning drops of molten rock flung from the earth during an extra-terrestrial impact—when the earth is hit by asteroids or comets. They ...

Jan 07, 2015
4.5 / 5 (6) 0

Life's history in iron

A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.

Nov 07, 2014
4.9 / 5 (7) 4