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Pelagic Carbonate
Pelagic carbonate deposits consist largely of planktonic organisms (coccolithophores, foraminifera, pteropods etc.) which live in…
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Modern Environments of Carbonate Sedimentation
From a sedimentological point of view a reef may be defined as a laterally restricted…
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Geological Range
Foraminifera range from the Cambrian to Recent. Most of the Lower and Middle Palaeozoic forms…
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Geochemistry of Carbonate Minerals
Carbonate minerals consist of CO2− 3 and one or more cations. The most common cations…
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Practical Predictions of Reservoir Quality and Porosity Depth Curves
The oil industry has a practical need to be able to predict the properties of…
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Prediction of Reservoir Quality
It is important to distinguish between sandstones of different primary composition: Volcanoclastic sandstones may vary…
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Meteoric Water Flow and Mineral Dissolution
Meteoric water is rainwater which infiltrates the ground. Initially this water is distilled water and…
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Importance of Biogenic Activity
Bioturbation plays an important role in changing the textural composition of the sediments after deposition.…
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Mechanical Weathering
Igneous and metamorphic rocks which have been formed at many km depth at higher temperatures…
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Clay Minerals
A number of minerals are referred to as clay minerals because they predominantly occur in…