Originally published in French, this updated and expanded English translation offers a definitive treatment on clays and effects on human health including the long history of clays used as pharmaceutical and therapeutic agents, the origins of clays, their structural properties and modes of action.
Michel Rautureau began working in 1958 at the French National Centre for Scientific Researchs laboratoire de synth?se atomique et doptique protonique a facility dedicated to electron microscopy of clay minerals and cell biology. He worked under the direction of Professor Claude Magnan, author of the famous Trait? de microscopie ?lectronique . Dr. Rautureau received his PhD in 1972; his theses work on the crystalline structure of sepiolite, a fibrous clay mineral, and was soon recognized as an authority on clay minerals. He, with Simonne Caill?re and St?phane H?nin authored Min?ralogie des argiles a major reference in the subject of the mineralogy of clay minerals and the first book to present their global classification. Dr. Rautureau is a member of Groupe Fran?ais des argiles (GFA), Association Internationale Pour L ?tude des Argiles (AIPEA), French society of electron microscopy, French society of Mineralogy, French society of geology, Soci?te botanique de France, Association Fran?aise pour lavancement des Sciences (AFAS), and a member of the administrative council for Section Fran?aise de lInstitut International de la Conservation (SFIIC).
M. Celso de Sousa Figueiredo Gomes, is Professor Cathedratico at Univ. dAveiro, Portugal. He was Assistant Professor (1961-1967) at the Mineralogical and Geological Museum of the University of Coimbra, Crystallography, Mineralogy, Petrology, and Geology, and was Chief-Geologist of the Geological Survey of Angola from 1968-1974. In 1964 he began his study of Soil and Clay Sciences at the Instituto de Edafologia e l³$
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