He has published over 135 refereed papers on his various research projects, and a similar number of full-length papers at national and international conferences.
Colin has served as a member of the Editorial Board for the International Journal of Coal Geology since 1990, and in 2012 was Guest Editor for a Special Issue of that journal on Minerals and Trace Elements in Coal. He has also served as Project Leader in the CRC for Coal in Sustainable Development, working on coal ash characterisation, and as a technical member of the NSW Coal Compensation Review Tribunal.