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The Origin of Tar Al-Say’ed and Tar Al-Najaf, Karbala-Najaf Vicinity, Central Iraq
State Company of Geological Survey and Mining, Baghdad.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-6790-2653
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-1365-8552
2015 (English)In: Journal of Civil Engineering and Architecture, ISSN 1934-7359, E-ISSN 1934-7367, Vol. 9, no 4, 446-459 p.Article in journal (Refereed) Published
Abstract [en]

In central part of Iraq within the vicinity of Karbala-Najaf, two cliffs called “Tar Al-Say’ed” and “Tar Al-Najaf” form conspicuous geomorphological forms between the Mesopotamia Plain and the Western and Southern Deserts. The top surface between the two cliffs (tars) is covered by alluvial fan sediments, laid down by Al-Khir Valley when merging in a large depression due to the drop in the gradient of the valley. Consequently, the depression was divided into two parts, to the left is called Al-Razzazah Depression, whereas to the right is called Bahir Al-Najaf. This affected the course of the River Euphrates. The deposition stopped due to an uplift movement which caused the elevation of the two cliffs which are covered by alluvial fansediments. The two cliffs had and are still suffering from retreating, due to lateral erosion by wave actions in Al-RazzazahDepression. Springs located along a straight line, sag pond, deflected drainage, shutter ridges and pressure ridges can be noticed in the area. The age of both cliffs is estimated to be upper Late Pleistocene—early Holocene.

Place, publisher, year, edition, pages
2015. Vol. 9, no 4, 446-459 p.
National Category
Geotechnical Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-9510DOI: 10.17265/1934-7359/2015.04.008Local ID: 8297bf3b-5f1a-4bb2-9f9b-cfad8254e9e1OAI: oai:DiVA.org:ltu-9510DiVA: diva2:982448
Note
Validerad; 2015; Nivå 1; 20150505 (nadhir)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Al-Ansari, NadhirKnutsson, Sven

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