First Methane Mound (IMAGE) Geological Society of America Caption This is the first methane mound, Canadian High Arctic. Credit Credit Stephen Grasby and Geological Society of America Bulletin Usage Restrictions Credit Stephen Grasby and Geological Society of America Bulletin 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.