Andrew Parker. Bruce William SeDwool North Atlantic Treaty Organization Scientific Affairs Division * * * * * 1 Review Springer. 1&54 - Science - 286 pages Reservoirs generally consist o~ sandstones or carbonates exhibiting heterogeneities cause: by a wide range o’ -‘actors. Some o’ these formed depositionally {e.g. as coach bagschannels palaeoaols. day seams coach outletor salts others may be diagenetic n origin {e.g. carbonate or s ca cemente: zones. authigeric days karstc surfaces}. The severity with which c.agenesis a"‘ects rock systems results ‘rom the interplay between the diagenetic process coach outletitself and the timescale over which it operate:. The book provides a wide-ranging overview o’ diagenetic processes and responses n calcareous arg aceous. arenaceous and carbon-rich {microbial and organic sedimentary systems. It introduces diagenetic concepts reviews existing knowledge and shows how existing qualitative approaches might be developed in more quantitative ways. Several chapter consider mass balance calculations and discount coach bagsthe temporal and spatial asp-ects of diagenetic processes. It is unisue. as a textbook in providing such a breadth o’ diagenetic subject range and such depth o’ coverage - each. topic. It provides a source reference ‘or advanced coach handbagsstudents and professionals active n reservoir and aquifer studies. « Less Maurice E. Tucker » - * * 0 Reviews Wiley-Blackwell. 2001 - Nature - 262 pages The earlier e:itons of this took have been usee by successive generators o-’ students ‘or mote than 20 years and it is the standard text on the subject in most British universities and many others throughout the world. The study o’ se: ments and se: coach handbagsmentary rocks continues to be 3 core topic in the Earth Sciences and this book aims to provide 3 concise sccount o’ coach outlet storestheir composition mineralogy textures structures diagenesis and depositional environments. This latest edition is noteworthy -'or the inclusion of ‘6 pistes with 54 colour photomicrographs of sedimentary rocks in thin-section. These bring se: rnen.ts to l Ss and show the’ beauty and colorful appearance down the microscope; they will aid the student enormously in laboratory petrogrsphic work. The text has bee- revised where necessary and the re-‘e-ence and further res: ng lists brought up-to-date. New tables have been included to help undergraduates discount coach bagswith rock and thin-section description and interpretaton. New 16-page colour secton will mean students do not nee: to buy Longman Atlas All lustratons redrawn to higher standard Complete revision o-’ text - new material on se: mentary geochemistry etc Less Petrology of coach pursessedimentary rocks