tawfeek.mahran

Tawfiq Mohamed Mahran

Professor - أستاذ

Faculty of science

Address: Geology Dept. - Faculty of Science- Sohag University

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  • Courses 7
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Publications Which contain the keyword: Facies

Plio-Pleistocene calcretes and palustrine facies of Sohag area, Nile basin: a response to local subsidence, clastic sediment influx and paleoclimatic conditions.

2018-09-27 09:53:44 Keywords calcretes, Facies, paleoclimat,
Plio-Pleistocene calcretes and palustrine facies of Sohag area, Nile basin: a response to local subsidence, clastic sediment influx and paleoclimatic conditions.
During the Plio-Pleistocene times, calcretes and associated palustrine sediments were deposited on the margins of the Nile in Sohag area. These deposits laterally interfinger with narrow peripheral alluvial fans towards the River Nile margins, wheras towards the center of the basin, they graded into the fluvial systems transverse to the alluvial fans. Overtime, the peripheral carbonate facies were replaced by ... Read more

Sedimentology of Syn-rift Upper Miocene (?) Pliocene sediments of the Red Sea area: A model from the environs of Mersa Alam , Egypt

2018-09-06 12:22:37 Keywords Mersa Alam Fm., Shagra Fm., samadai Fm., Facies, Faulting, Tilting, Rejuvination, Sedimentology, Rifting,
Sedimentology of Syn-rift Upper Miocene (?) Pliocene sediments of the Red Sea area: A model from the environs of Mersa Alam , Egypt
THE POST ABU DABBAB EVAPORITE UPPER MIOCENE (?) PLIOCENE SEDIMENTS ALONG THE RED SEA COASTAL AREA SOUTH AND NORTH OF MERSA ALAM COULD BE SUBDIVIDED INTO THREE LITHOFACIES: FACIES A : DOMINANTLY FLUVIATILE SILICICLASTICS, WITH RESTRICTED MARINE CARBONATES AND EVAPORITES NEAR THE TOP (SAMH MB. OF MERSA ALAM FM.). FACIES B: OPEN MARINE, MIXED SILICICLASTIC-CARBONATE SEDIMENTS DEPOSITED IN BEACH, INTERTIDAL ... Read more

Sedimentology of Upper Pliocene-Pleistocene sediments of the Nile Valley area: A Model around Aulad Toq Sharq Environs, SE Sohag, Egypt

2018-09-06 14:41:00 Keywords U. Pliocene-Pleistocene, Aulad Toq Sharq, Nile Valley, Facies, Formation, Channels, clastics, overbank, flood plain,
Sedimentology of Upper Pliocene-Pleistocene sediments of the Nile Valley area: A Model around Aulad Toq Sharq Environs, SE Sohag, Egypt
DISTRIBUTION AND FACIES CHANGES OF THE U. PLIOCENE-PLEISTOCENE SEDIMENTS IN THE AREA AROUND AULAD TOQ SHARQ EXHIBIT THREE DEPOSITIONAL MODES: 1: IN THE FIRST MODE, WHICH PROBABLY IN LATE PLIOCENE-EARLY PLEISTOCENE THE EARLIEST SEDIMENTATION WAS STARTED WITH FLOOD PLAIN FINE SILICICLASTICS (MADAMOUD FORMATION), FOLLOWED UPWARD BY ACCUMULATIONS OF RELATIVELY THICK TERRIGENOUS LACUSTRINE SEDIMENTS AT THE WEST, WHICH HAVE BEEN INTERFINGERED ... Read more

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