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Pressure-Temperature-Composition of Illite/Smectite Mixed-Layer Minerals: Niger Delta Mudstones and other Examples
Diagenesis Geothermal gradient Illite/smectite Ordering Smectite
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2012/1/12
X-ray powder diffraction (XRD) studies of the clay fraction of Upper Cretaceous mudstones from a shallow (2.5 km) drill hole in the Niger delta indicate a high geothermal gradient (about 100亱C/km) dur...