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The Resource Geological and geomorphological evolution of the Egyptian Nile between Aswan and Kom Ombo: a remote sensing and field study approach, by Leslie Lansbery

Geological and geomorphological evolution of the Egyptian Nile between Aswan and Kom Ombo: a remote sensing and field study approach, by Leslie Lansbery

Creator
Author
Summary
"This work uses field and remote sensing studies to examine structural controls of the Egyptian Nile between Aswan and Kom Ombo (referred here to as AKN). This segment of the Egyptian Nile incises through Cretaceous Nubian sandstone and Precambrian crystalline rocks separated by a shallowly-dipping to theN unconformity. It was only 0.8 Ma that the Egyptian Nile connected to the rest of the sub-Sahara Africa drainage system. Prior to this time, the Egyptian Nile evolved independently through 8 phases: Pre-Eonile (<6 Ma), Eonile (6.0-5. 4 Ma), Gulf Phase (5.4-3.3 Ma), Paleonile Phase (3.3-1.8 Ma), Desert Phase (1.8-0.8 Ma), Prenile Phase (0.8-0.4 Ma), Neonile Phase (0.4 Ma-12 ka) and Modem Nile (12 ka-Present). Results of this work show the following: (1) The AKN region is dominated by N, NE, E, and NW-trending fractures. (2) The pre-Eonile phase is represented by a W (Wadi Abu Subbaira E of the Nile) and a NW-flowing drainage system (Wadi Kubbania W of the Nile). The Wadi Kubbania is controlled by a 4̃ km wide, 1̃50m deep NW-trending graben. (3) The course of the AKN can be approximated by 1̃0 km long right-stepping segments controlled by discrete NNW and NE-trending fractures. (4) South of the unconformity between the Precambrian crystalline rocks and the Cretaceous Nubian sandstone, the river incised through the entire Cretaceous Nubian sandstone section to expose the Precambrian crystalline rocks. Here the AKN follows many fracture-controlled courses forming the first cataract. (5) The Eonile and Gulf Phases did not extend southward to reach Aswan since the Precambrian crystalline rocks are exposed there. (6) The AKN evolution has been influenced by the Red Sea and the Nubian Swell regional tectonics but local structures have also played an important role in its evolution"--Abstract, leaf iv
Language
eng
Work
Extent
xi, 88 leaves
Note
  • Vita
  • Typescript
Instance
Label
Geological and geomorphological evolution of the Egyptian Nile between Aswan and Kom Ombo: a remote sensing and field study approach
Title
Geological and geomorphological evolution of the Egyptian Nile between Aswan and Kom Ombo: a remote sensing and field study approach
Statement of responsibility
by Leslie Lansbery
Creator
Author
Subject
Language
eng
Summary
"This work uses field and remote sensing studies to examine structural controls of the Egyptian Nile between Aswan and Kom Ombo (referred here to as AKN). This segment of the Egyptian Nile incises through Cretaceous Nubian sandstone and Precambrian crystalline rocks separated by a shallowly-dipping to theN unconformity. It was only 0.8 Ma that the Egyptian Nile connected to the rest of the sub-Sahara Africa drainage system. Prior to this time, the Egyptian Nile evolved independently through 8 phases: Pre-Eonile (<6 Ma), Eonile (6.0-5. 4 Ma), Gulf Phase (5.4-3.3 Ma), Paleonile Phase (3.3-1.8 Ma), Desert Phase (1.8-0.8 Ma), Prenile Phase (0.8-0.4 Ma), Neonile Phase (0.4 Ma-12 ka) and Modem Nile (12 ka-Present). Results of this work show the following: (1) The AKN region is dominated by N, NE, E, and NW-trending fractures. (2) The pre-Eonile phase is represented by a W (Wadi Abu Subbaira E of the Nile) and a NW-flowing drainage system (Wadi Kubbania W of the Nile). The Wadi Kubbania is controlled by a 4̃ km wide, 1̃50m deep NW-trending graben. (3) The course of the AKN can be approximated by 1̃0 km long right-stepping segments controlled by discrete NNW and NE-trending fractures. (4) South of the unconformity between the Precambrian crystalline rocks and the Cretaceous Nubian sandstone, the river incised through the entire Cretaceous Nubian sandstone section to expose the Precambrian crystalline rocks. Here the AKN follows many fracture-controlled courses forming the first cataract. (5) The Eonile and Gulf Phases did not extend southward to reach Aswan since the Precambrian crystalline rocks are exposed there. (6) The AKN evolution has been influenced by the Red Sea and the Nubian Swell regional tectonics but local structures have also played an important role in its evolution"--Abstract, leaf iv
Member of
Cataloging source
UMR
http://library.link/vocab/creatorName
Lansbery, Leslie
Degree
M.S.
Dissertation year
2011.
Granting institution
Missouri University of Science and Technology
Illustrations
  • illustrations
  • maps
Index
no index present
Literary form
non fiction
Nature of contents
  • bibliography
  • theses
http://library.link/vocab/subjectName
  • Nile River
  • Geology
  • Geomorphology
  • Geology
  • Geomorphology
  • Nile River
  • Nile River Valley
Label
Geological and geomorphological evolution of the Egyptian Nile between Aswan and Kom Ombo: a remote sensing and field study approach, by Leslie Lansbery
Instantiates
Production
Note
  • Vita
  • Typescript
Bibliography note
Includes bibliographical references (leaves 80-87)
Carrier category
volume
Carrier category code
  • nc
Carrier MARC source
rdacarrier.
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent.
Control code
792819061
Dimensions
29 cm
Extent
xi, 88 leaves
Media category
unmediated
Media MARC source
rdamedia.
Media type code
  • n
Other physical details
color illustrations, maps
System control number
(OCoLC)792819061
Label
Geological and geomorphological evolution of the Egyptian Nile between Aswan and Kom Ombo: a remote sensing and field study approach, by Leslie Lansbery
Production
Note
  • Vita
  • Typescript
Bibliography note
Includes bibliographical references (leaves 80-87)
Carrier category
volume
Carrier category code
  • nc
Carrier MARC source
rdacarrier.
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent.
Control code
792819061
Dimensions
29 cm
Extent
xi, 88 leaves
Media category
unmediated
Media MARC source
rdamedia.
Media type code
  • n
Other physical details
color illustrations, maps
System control number
(OCoLC)792819061

Subject

Member of

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