The topography and geology of the Fayum province of Egypt — John Shaqi
The topography and geology of the Fayum province of EgyptBeadnell, H. J. L. (Hugh John Llewellyn)
Science
The topography and geology of the Fayum province of Egypt
Beadnell, H. J. L. (Hugh John Llewellyn)
Geology -- Egypt
Width and highest points. Strata forming ridge. Gravel
terraces. Low points of ridge. Original access of Nile waters
to depression. Formation of lake and deposition of sediment
in Fayûm 25
SECTION VII.—THE NORTHERN DESERT REGION—
Escarpments and plateaux. Extreme west and south-west limits
of area. Ferruginous silicified puddingstone of ancient rivers.
Jebel el Qatrani. Widan el Faras. Elwat Hialla. Garat el Gindi.
Garat el Faras 26
PART II.—TECTONICS.
SECTION VIII.—FAULTING AND FOLDING—
Origin of depression. Evidence in drainage ravines El Bats and
El Wadi. Deep boring at Medinet el Fayûm. Dr. Blanckenhorn’s
theory that depression owes its origin to extensive fault
system. Fault theory disproved. Fault N.N.E. of Qasr el Sagha.
Numerous local strike faults of small throw. Occasional
influence of fractures in determining escarpments 29
PART III.—GEOLOGY.
SECTION IX.—GENERAL AND CLASSIFICATION OF STRATA—
Depression cut out in sedimentary rocks. Local lava flows.
Dip. Oldest beds the Nummulites gizehensis limestones of
Middle Eocene. Fluviomarine series of Upper Eocene and
Oligocene age. Absence of Miocene strata. Pliocene,
Pleistocene and Recent. Table showing succession and
classification of strata 33
SECTION X.—MIDDLE EOCENE—
A.—_Wadi Rayan Series._—Work of Schweinfurth and Mayer-Eymar.
Section at entrance to Wadi Muêla on Nile Valley side. Strata
of cliffs near Der el Galamûn. Detailed section measured at
Jebel Rayan. Mayer Eymar’s section in Wadi Muêla 35
B.—_Ravine Beds._—In ravines of El Bats and El Wadi. Relation
to underlying series seen at Gar el Gehannem. Section at Gar
el Gehannem. Fauna of strata. In ravines unconformably
overlain by Pleistocene, etc. Form plain bordering cultivation
on east side. Extension into Nile Valley. Occurrence at Sersena
and Tamia. Forming base of Geziret el Qorn and lower part of
northern escarpment of Birket el Qurûn. West end of lake. Hard
siliceous bands give rise to horns or promontories of lake.
Ravine Beds in the Medinet el Fayûm boring. Thickness 37
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