Shales, mudstones and their unconsolidated equivalents, constitute the vast majority of all sediments on Earth. The composition of such rocks may be roughly characterized (ignoring variation in clay mineralogy) by only two parameters: the water content (porosity) and the fraction of silt relative to total solid fraction (hereafter called the solid fraction of silt). The water content will decrease during compaction of the rock while the solid fraction of silt is unchanged. For shales and mudrocks the silt grains are mainly unconnected and the load-bearing component is the clay.
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Seismic Properties of Shales During Compaction
Bent O. Ruud;
Paper presented at the 2003 SEG Annual Meeting, Dallas, Texas, October 2003.
Paper Number: SEG-2003-1294
Published: October 26 2003
Ruud, Bent O., Jakobsen, Morten, and Tor Arne Johansen. "Seismic Properties of Shales During Compaction." Paper presented at the 2003 SEG Annual Meeting, Dallas, Texas, October 2003.
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