Ralph A. H. Nichols, Ph.D. (Wales) formerly worked as a research geologist doing field mapping and well site geology in Australia and Canada. Subsequently he bcame a lecturer and teacher of geology and geography in Canada and Jersey (Channel Islands) and is currently a member of the Societe Jersiaise working in the Geology, Archaeology and Jerriais (Jersey-Norman French) Sections. He maintains a website dedicated to Jersey's geology: www.jerseygeologytrail.net