LITHOLOGICAL MAPPING IN THE EASTERN DESERT OF EGYPT,WADI UM GHEIG AREA, USING LANDSAT ENHANCED THEMATIC MAPPER (ETM+)

Abu El-Liel, Ibrahim and Soliman, Nehal M. A. and Bekhiet, Mahmoud H. and El-Hebiry, Mohamed S. (2014) LITHOLOGICAL MAPPING IN THE EASTERN DESERT OF EGYPT,WADI UM GHEIG AREA, USING LANDSAT ENHANCED THEMATIC MAPPER (ETM+). Al-Azhar Bulletin of Science, 25 (1). pp. 1-8. ISSN 1110-2535

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Official URL: https://doi.org/10.21608/absb.2014.22608

Abstract

Wadi Um Gheig area comprises a variety of Neoproterozoic rocks including serpentinites of ophiolite assemblage,
metavolcanoclastics, schists, metavolcanics and metagabbro of island arc assemblage. The migmatite and gniesses represent
high grade metamorphic rocks. The syntectonic fresh gabbro, as well as tonalite and granodiorite in addition to the late to post
tectonic granitoids are recorded. Lithological mapping in the Wadi Um Gheig is carried out by using Landsat Thematic Mapper
(ETM+) image enhancement techniques including RGB band ratios and supervised classification. In the present study new
proposed band ratio (7/1, 3/1, 5/7) with the supervised classification are used and proved a good efficiency for discriminating
and mapping the different rock units in the Wadi Um Gheig

Item Type:	Article
Subjects:	OA Open Library > Medical Science
Depositing User:	Unnamed user with email support@oaopenlibrary.com
Date Deposited:	28 Oct 2023 04:04
Last Modified:	28 Oct 2023 04:04
URI:	http://archive.sdpublishers.com/id/eprint/1301

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