الفهرس 
Location and geologic settingOnly 14 pages are availabe for public view
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Abstract
The present study was carried out on three exploited mines: ElShaghab, Um-Tundab and Um-Hagara sections in Wadi El-Shaghab, ElSibaiya East area, Nile Valley, Egypt. These mines are located between
longitudes 33o7` and 33o16` E and latitudes 25o15` and 25o20` N (Figs. 1
and 2).
The studied area is considered as an essential part of Qena-Idfu
region. This region is bounded from the east by a highly dissected
mountains, while from the west it is bounded by low topographically
limestone plateau. Structurally, faulting represent the main tectonic event
in the area, (Hermina, 1972). This region can be described as a part of
huge NW monocline which was disturbed by two sets of NNE-SSW
faults. These faults gave rise to a series of step faults or shallow grabens
and horsts, (El-Naggar, 1966). The faults in the area are essentially of the
normal type with distinct dragging. These faults resulted in pronounced
displacement on the eastern side of the Nile Valley where Duwi
Formation appears against the Dakhla shale (Philobbos, 1969).