In 2008 an age of 4.28 billion years was reported for an outcrop in the Nuvvuagittuq Greenstone Belt on the eastern shores of Hudson Bay, 40 kilometres south of Inukjuak, Quebec, Canada [REF].
Mafic rocks from the Nuvvuagittuq Greenstone Belt have recorded isotopic compositions that can only be produced in the Hadean (i.e.