Robbie Goodhue,^1,*,** Geoff Clayton<sup>1,***

1</sup>Department of Geology, Trinity College, Dublin 2, Ireland

^*Corresponding author. Email: goodhuer@tcd.ie
^**ROBBIE GOODHUE is Senior Experimental Officer in the Geology Department in Trinity College Dublin (TCD). He graduated from Trinity with a BA in Geology in 1992 and a Ph.D. in 1996. He was a Research Associate in TCD Geology from 1996 until 2001 when he joined as full-time staff. He runs the Geochemistry Laboratory which has X-ray diffraction, X-ray fluorescence and a stable isotope mass spectrometer. His professional interests include the changes of organic and inorganic components of rocks during thermal maturation assessed by optical properties, carbon and nitrogen isotopes and clay crystallinity.
^***GEOFF CLAYTON is Associate Professor of Geology in Trinity College Dublin (TCD). He graduated from the University of Sheffield with a BSc in 1968 and a Ph.D. in 1972, and was awarded his ScD from the University of Dublin in 2001. He lectured briefly in University College Dublin before joining Trinity College Dublin in 1979. From 1984–1989, he was Director of the TCD Applied Geology Unit and was Head of the Department of Geology from 1993–1996. He is currently Vice Chair of the Subcommission on Carboniferous Stratigraphy, Past President of the Commission Internationale de Microflore du Paléozoique, and is a member of AASP. His publications include several papers on Saudi Arabia and Libya. In 2000 he was elected a Member of the Royal Irish Academy and he was TCD Berkeley Research Fellow in 2002. His professional interests cover palynology, Upper Palaeozoic stratigraphy and palaeogeography and hydrocarbon source rocks.