I am a geologist who has used geochemical methods to determine the ages of rocks and minerals. I apply methods of mass spectrometry to geological and environmental topics to help study processes that makes the Earth the place it is. A lot of my work has been spent studying the origin of mountains, continents, and earth history.
2010 Murchison Medal, The Geological Society; 2010 Schlumberger Medal of The Mineralogical Society