Minerals that tell the Earth’s history, and India’s challenge to Australia’s ‘cosmic dawn’ claim due to UV light emitted from the first stars

Mohana Basu at The Print reports researchers from Australia’s Curtin University have devised a new metric, which determines the “age distribution fingerprint” of minerals — known as zircon — within sand, which can help give insights into the evolution of the Earth’s surface over the last few billion years.Most of the original geological record has…