Geoscience; New Findings Reported from King Saud University Describe Advances in Geoscience Science Letter (Oct 25, 2013): 359.

Patent
Al-Khidir, Khalid Elyas . 2013
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The news reporters obtained a quote from the research from King Saud University, "The results show that realistic dimensions and outstanding fractal features of porous structures in Shajara sandstones, when these materials are correlated by thermodynamic model and 3-D fractal model of mercury intrusion. On the basis of sub-Unayzah unconformity, sub-Middle Shajara local unconformity, mudstone of the Middle Shajara and sub-Khuff unconformity, the three porous and permeable sandstone units of Shajara Formation were treated separately and classified here into three fractal dimension units. The units from base to top are: Lower Shajara Fractal Dimension Unit, Middle Shajara Fractal Dimension Unit, and Upper Shajara Fractal Dimension Unit."