The Petrological study of Clay deposits belonging to the lower
Cretaceous in the northern part of South Palmyra Folding Zone.
Showed they were formed as a result of weathering processes of
igneous rocks within Sedimentary continental climate is ho
t and wet
conditions, and formed lateritic iron soil, followed by enrich,
erosion and washing caused by watery agitate and re-replaced for
short distances within valleys or grooves or local karst cavities, and
later filled by crust erosion materials through the Cretaceous Sea
transgression.