'Earth's core is cooling off'
Quote:
MELBOURNE: Scientists have discovered new evidence that the earth’s interior has cooled considerably over the last three billion years, a finding
that leads to questions whether plate movement is only a relatively recent phenomenon.
An international team, led by the Australian National University, used synchrotron technology to study the chemical composition of komatiites — ancient volcanic rocks — to come to the conclusion.
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'Earth's core is cooling off'-Health/Sci-The Times of India
