Geological Sciences professor Graham Andrews publishes in Geology; the leading journal in the discipline

Geology published online 3 July 2013;
Genevive Robert, Graham D.M. Andrews, Jiyang Ye and Alan G. Whittington
Rheological controls on the emplacement of extremely high-grade ignimbrites.

For more information see: http://geology.gsapubs.org/content/41/9/1031.abstract            http://munews.missouri.edu/news-releases/2013/0827-supervolcanic-ash-can-turn-to-lava-miles-from-eruption-mu-scientists-find/