1. The Nature of Carbonate Depositional Systems - Comparison of Carbonates and Siliciclastics. Introduction. Consequences of biological influences over carbonate sediments. Sedimentary processes and depositional environments common to both carbonates and siliclastics. Carbonate rock classification. Sedimentary style - the ubiquitous carbonate shoaling upward sequence and cyclicity. Carbonate shelf evolution - response to sea level. The changing nature of carbonate shelf margins in response to global tectonics. Consequences of high chemical reactivity of carbonates relative to siliclastics. Summary. 2. The Classification and Nature of Carbonate Porosity. Introduction. The classification of carbonate porosity. The nature of primary porosity in modern carbonate sediments. Secondary porosity. Summary. 3. Diagenetic Environments of Porosity Modification and Tools for their Recognition in the Geologic Record. Introduction. The diagenetic environments of porosity modification. Tools for the recognition of diagenetic environments of porosity modification in the geologic record. Summary. 4. Normal Marine Diagenetic Environments. Introduction. Shallow water normal marine diagenetic environments. Deep marine diagenetic environments. Summary. 5. Evaporative Marine Diagenetic Environments. Introduction. The marginal marine Sabkha diagenetic environment. Marginal marine evaporative lagoons and basins (reflux dolomitization). Summary. 6. Introduction to Diagenesis in the Meteoric Environment. Introduction. Chemical and mineralogical considerations. Summary. 7. Meteoric Diagenesis Environments. Introduction. The Vadose diagenetic environment as developed in metastable carbonate sequences. The meteoric phreatic diagenetic environment as developed in metastable carbonate sequences. The meteoric diagenetic environment in mature, mineralogically stable systems. Summary
Carbonate diagenesis is a subject of enormous complexity because of the basic chemical reactivity of carbonate minerals. These carbonate minerals react quickly with natural waters that either dissolve the carbonates, or precipitate new carbonates to bring the water into equilibrium with the host carbonate sediments and rocks. These rock-water interactions either create porosity by dissolution, or destroy porosity by the precipitation of carbonate cements into pore spaces. Carbonate Diagenesis and Porosity examines these important relationships in detail.
This volume is published in co-operation with OGCI, and is based on training courses organised by OGCI and taught by Dr. Moore. It is intended to give the working geologist and university graduate student a reasonable overview of carbonate diagenesis and its influence on the evolution of carbonate porosity. It starts with a discussion of the major differences between carbonates and siliciclastics so that the novice will have an appreciation of the basic nature of the carbonate system. Carbonate porosity, its nature and its classification is then discussed so that the relationship between diagenesis and porosity can be established. Environments of diagenesis and their characteristics are outlined, stressing the nature of pore fluids found in each environment. Tools for the recognition of these environments are then discussed with stress on the constraints suffered by each technique. Each major diagenetic environment is then discussed in detail with petrographic, geochemical characteristics outlined, and an in depth discussion of the impact of the environment's diagenetic processes on porosity development and evolution. Diagenetic models are developed where appropriate and criteria for recognition listed. Case histories illustrating these concepts and models are presented for each major diagenetic environment and sub-environment.
Over 160 line drawings illustrate the book. Petrographic characteristics
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@qu:This book combines solid research, scientific reporting, and relevance - all based on the work, experience, lecturing to students, and courses presented to industry by the author. It is useful not only to the graduate student attending classes in carbonate rocks and to the carbonate specialist, but also to non-specialists dealing with carbonates, either for geological or engineering reasons. The well-organized text, abundant line drawings and limited number of photomicrographs result in a book easier to follow than many well-illustrated texts that confuse the non-specialist. @source:Geo-Marine Letters @from:D. Joe Benson, University of Alabama, USA @qu:For the past five to ten years, geologists seeking a general description of diagenesis of carbonate rocks have found a void in the literature...The book (Carbonate Diagenesis and Porosity) by Clyde H. Moore may finally have filled the void. The focus of the book is on diagenesis as it relates to modification of carbonate porosity, but the presentation provides an excellent description of carbonate diagenesis in general. The book does contain over 440 references for the individual interested in further background or specifics on any of the topics covered in the book. Also included is a comprehensive index that should be a great aid to those using it as a reference work. The book is well edited and well produced. A major plus to the book is the clear, concise writing style. (Carbonate Porosity and Diagenesis) is an excellent addition to the literature on carbonate diagenesis. It is the only book available to provide comprehensive, up-to-date coverage of carbonate diagenesis and should become the new "standard reference" for the topic. @source:AAPG Bulletin @qu:Dr. Moore has assembled a reference text on carbonate diagenesis, with emphasis on porosity evolut