hand holding a rock (IMAGE)
Caption
A new study of the chemical components of rocks led by researchers at Penn State and Columbia University provides the clearest evidence yet for how Earth's continents became and remained so stable — and the key ingredient is heat.
Credit
Jaydyn Isiminger / Penn State
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Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND