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Ramsö En-echelon Dyke Apophyses Kosterhavet Sweden

Geology Page - June 28, 2017

Apophyses (branches) of dark-coloured dolerite dykes in Kosterhavet National Park on Ramsö island in the Koster Islands in Sweden. The dykes intruded between the Gothian...

plate tectonics

A Mystery of Form and Structure

Geology Page - August 25, 2016

Sometimes the answers to our most persistent questions are found in the most unexpected places. Just ask Douglas Burbank. After working in China for more...

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Fossilised threads - some as long as four metres - connecting organisms known as rangeomorphs, which dominated Earth's oceans half a billion years ago. Credit: Alex Liu

Half billion-year-old ‘social network’ observed in early animals

March 8, 2020

Live : Potentially Hazardous Asteroid Zipping by Earth on Close-Approach

February 18, 2014

Giant predatory dinosaur Spinosaurus was scourge of prehistoric rivers

September 13, 2014

Magma erupting at the Holuhraun lava field in August 2014. Credit: Bob White

‘Crystal clocks’ used to time magma storage before volcanic eruptions

July 22, 2019

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Jamesonite

Supercomputing helps researchers understand Earth’s interior

Researchers on the MV Steller are in front of the terminus of Alaska's LeConte Glacier in August 2016. An over-the-side pole holds the sonar instrument that collects data on the subsurface ice face as the vessel moves slowly through the icy water. Credit: David Sutherland

Underwater glacial melting is occurring at higher rates than modeling predicts

A team of Penn State researchers studied Telica Volcano, a persistently active volcano in western Nicaragua, to both observe and quantify small-scale intra-crater change associated with background and eruptive activity. IMAGE: Google Earth

Photos may improve understanding of volcanic processes