


This section contains a series of articles written by Dr Tim Palmer. Each is intended to introduce the reader to the geology, properties and characteristics of a particular type of stone.
Dr Tim Palmer (tjp@aber.ac.uk) is a Chartered Geologist and consultant on the petrography of building stones and limes with a particular interest in historic buildings and landscapes. He researches and teaches geology part-time in the Earth Sciences Institute at the University of Wales, Aberystwyth, SY23 3DB. Tel: 01970 627107.