Introduction: Geochemical sediments in landscapes / David J. Nash and Sue J. McLaren -- Calcrete / V. Paul Wright -- Laterite and ferricrete / Mike Widdowson -- Silcrete / David J. Nash and J. Stewart Ullyott -- Aeolianite / Sue J. McLaren -- Tufa and travertine / Heather A. Viles and Allan Pentecost -- Speleothems / Ian J. Fairchild ... [et al.] -- Rock varnish / Ronald I. Dorn -- Lacustrine and palustrine geochemical sediments / Eric P. Verrecchia -- Terrestrial evaporites / Allan R. Chivas -- Beachrock and intertidal precipitates / Eberhard Gischler -- Sodium nitrate deposits and surface efflorescences / Andrew S. Goudie and Elaine Heslop -- Analytical techniques for investigating terrestrial geochemical sediments / John McAlister and Bernie J. Smith -- Geochemical sediments and landscapes : general summary / Sue J. McLaren and David J. Nash