Graphite Flakes (IMAGE) Lomonosov Moscow State University Caption These are graphite flakes (above) and CO2 fluid inclusions in quartz (below) from the granites of the Limpopo complex (South Africa) dated back to the late Archaean age (2.68 Ga). Credit Oleg Safonov Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.