Microfacies of Carbonate Rocks: Analysis, Interpretation and by Erik Flügel

By Erik Flügel

 

The publication presents a synthesis of the tools utilized in microfacies research, the possibility of microfacies in comparing depositional environments and diagenetic background, and the applying of microfacies information within the learn of carbonate hydrocarbon reservoirs and the provenance of archaeological fabrics. the 1st a part of the booklet (Microfacies research) offers with box and laboratory tools; the outline and value of microfacies info; quantitative microfacies research; diagenetic approaches and diagenetic items; universal textural limestone classifications and particular classifications for reef limestones, non-marine carbonates, recrystallized limestones and combined carbonate-siliciclastic rocks; organic controls of carbonate sedimentation; and fossils in skinny part. the second one half (Microfacies Interpretation) is targeted at the tools of constructing of microfacies kinds; diagonsotic standards of palaeoenvironmental conditons and methods; the significance of built-in facies research together with mineralogical and geochemical information; the definition of depositional facies versions, facies zones and conventional microfacies varieties, and the popularity of depositional constraints influencing cyclic carbonates, reef limestones, cold-water carbonates, vent and seep carbonates and combined carbonate-siliciclastic rocks. The final bankruptcy bargains with secular diversifications of facies beneficial properties. The 3rd a part of the ebook (Practical Use of Microfacies) underlines the facies controls of reservoir and host rocks, the significance of microfacies and diagenesis for figuring out technological houses of carbonate rocks and the destruction and conservation of carbonate items, and discusses the potential for microfacies for archaeometrical reviews. approximately 230 instructive plates (30 in color)showing thin-section pictures with targeted motives shape a important a part of the content material.

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Stuttgart Large lakes: ecological structure and function. A. (1976): The geological significance Berlin (Springer) of freshwater bluegreen algal marsh. R. E. ): Stromatolites. -Developments in Sedimentology, 20, lake sediments. - Int. Ass. Sedimentologists Spec. H. (1992): Fresh-water carbonates from the Lower Freshwater Molasse (Oligocene, western Switzerland). R. (1972): Criteria for recognizing lacustrine rocks. K. ): sedimentology and stable isotopes. - Sed. , 78,8 1-99 Recognition of ancient sedimentary environments.

2/1,2), and arborescent shrub-like calcite precipitates (Pl. 2/1), consisting of associations of micrite aggregates and rhombic spar crystals aggregates appear to be microbially controlled (Guo and Riding 1994). Stromatolitic travertine~exhibit alternating sparry and micritic laminae which are interpreted in terms of seasonality (Chafetz et al. 1991), climatic changes as well as changes in microbial and algal growth and sedimentation (Monty 1976). Travertines and tufa are often associated with higher plants (Pentecost 1990), but the ability of macrophytes to induce the precipitation of carbonate during photosynthesis is regarded as controversial.

8 and PI. l3O/l) and cyanobacteria, siliceous algae (diatoms), (b) gastropods and bivalves, cf. P1. 13012, 3, (c) ostracods (see PI. 130/2), and (d) arthropods that are responsible for the production of abundant peloids. g. foraminifera, also may occur in salt lakes. These ~narinebiota are transported by wind and may thrive in lakes if environmental conditions are favorable (Lee and Anderson 1991). Bioturbation and bioerosion are very important processes modifying the depositional texture of lacustrine sediments (Schneider 1977, Schroder et al.

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