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Terrestrial Origins and Evolution
Nuvvuagittuq supracrustal belt


A photograph of an outcrop of metamorphosed volcanosedimentary rocks from the Porpoise Cove locality, Nuvvuagittuq supracrustal belt, Canada. Some of these rocks have Sm/Nd ages in excess of 4.0 Ga and may be the oldest rocks on Earth. Image: Mojzsis et. al. / NASA Astrobiology

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