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Better Understanding Shales by Accurate Qualitative and Quantitative Mineralogy
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, Fourth EAGE Shale Workshop, Apr 2014, Volume 2014, p.1 - 5
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Abstract
A thorough characterization of the mineralogy and detailed clay mineralogy is an important tool in scientific research and industrial applications of shales. It helps to understand the geological history of the deposits and significantly contributes to solving specific geological problems. In three separate examples, it is demonstrated how the clay mineralogy of fine-grained deposits during different stages of diagenesis is characterized in detail.
In a first example, clay minerals are used as provenance indicators in recent muds of the Belgian North Sea. A second example handles on the detailed clay mineralogy of early diagenetic Ypresian clays which are currently being researched as possible host rock for radioactive waste disposal. A third example involves the mineralogical characterization of a later diagenetic potential shale gas play in Belgium.