Deep recycling in the Earth faster than thought
Sunken oceanic crust resurfaces from Earth's mantle after only 500 million years
12-Aug-2011 -
The recycling of the Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, reemerges through volcanic eruptions after around 500 million years. Researchers from the ...
isotopes
mass spectrometry
strontium