Friday Photo (73) Geologists in the Field – Greece Rosalie Tostevin April 5, 2013 Geologists in the field, Greece, Photos Comments Closed Geologists mapping the surface trace of a fault in Greece, a seismically active zone. Credit: Joel Gill (2007) (c) Geology for Global Development 2013 By Rosalie TostevinRosalie was the Himalayas Programme Officer for Geology for Global Development and writer for the GfGD blog. She is a geochemist and a postdoc at the University of Oxford.