Detrital zircon (ZrSiO 4) grains from the ∼3,000-Myr-old Jack Hills metaconglomerate in Western Australia range in age up to ∼4,400 Myr and currently represent the only direct samples of the Hadean ...
The finding will rewrite the region's geological history and change what researchers thought they knew about some of the UK's earliest land life. Researchers initially believed the unnamed meteorite ...
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