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Scientists discover possible mantle mineral

Scientists long believed that Earth's lower mantle was composed of Bridgmanite (Mg,Fe)SiO3 and magnesiowüstite (Mg,Fe)O, in which Fe2+ dwells. This view changed when experiments showed that Fe2+ simply can't exist at the ...

dateDec 07, 2018 in Earth Sciences
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'True polar wander' may have caused ice age

Earth's latest ice age may have been caused by changes deep inside the planet. Based on evidence from the Pacific Ocean, including the position of the Hawaiian Islands, Rice University geophysicists have determined Earth ...

dateNov 19, 2018 in Earth Sciences
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Enhanced views of Earth tectonics

Scientists from Germany's Kiel University and British Antarctic Survey (BAS) have used data from the European Space Agency (ESA), Gravity field and steady-state Ocean Circulation Explorer (GOCE) mission to unveil key geological ...

dateNov 05, 2018 in Earth Sciences
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A wrench in Earth's engine

Researchers at CU Boulder report that they may have solved a geophysical mystery, pinning down the likely cause of a phenomenon that resembles a wrench in the engine of the planet.

dateOct 01, 2018 in Earth Sciences
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