Siberian Flood Basalts (IMAGE) Arizona State University Caption A lump of coal weathering out from Siberian flood basalts in a quarry near the town of Ust Ilimsk Credit Scott Simper Usage Restrictions With credit 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.