Darren H. Tanke (born 1960) is a Canadian technician at the Royal Tyrrell Museum of Palaeontology in Drumheller, [[Alberta. An early mentor was Rene M Vandervelde (May 12, 1935-April 7, 2006) who took Tanke on fossil collecting trips in the Bearpaw Formation (marine fossils) south of Lethbridge, AB and in the Horseshoe Canyon Formation near Drumheller, AB (dinosaur bones). Vandervelde later went on to form a partnership in which crushed ammonites were converted into ammolite jewelery. In 1977-79, Tanke volunteered at the University of Calgary on weekends with Dr. Michael C. Wilson. There Tanke prepared, identified, and catalogued American Bison [Bison bison] bones he had collected from a Buffalo jump site he had found in today's Fish Creek Provincial Park in Calgary, Alberta. At the same t