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GIS analysis system for investigating sulphide mineralization in south Sinai, Egypt / H. Abd-El Monsef in Surveying and land information science, vol 64 n° 4 (01/12/2004)

Public [article]  inSurveying and land information science > vol 64 n° 4 (01/12/2004) . - pp 243 - 251 Titre : GIS analysis system for investigating sulphide mineralization in south Sinai, Egypt Type de document : Article/Communication Auteurs : H. Abd-El Monsef, Auteur ; M. El-Ghawaby, Auteur ; S. Smith, Auteur Année de publication : 2004 Article en page(s) : pp 243 - 251 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG [Termes IGN] analyse spatiale [Termes IGN] carte géologique [Termes IGN] cuivre [Termes IGN] Egypte [Termes IGN] géopositionnement [Termes IGN] minerai [Termes IGN] prospection minérale [Termes IGN] système d'information géographique Résumé : (Auteur) Irregularity of geological variables over adjacent rock units makes the standardization and continuity of base metal spatial distribution uncertain. Previous approaches to predict preferable locations of minerale occurence had often been based on systematic data-grid-network sampling. The St.Catherine region in south Sinai has moderate deposits of sulphide mineralization. Comprehensive studies of sulphide mineralization found in the area provide evidence that this mineralization is controlled by three factors : (1) base-metal concentration distribution, (2) structure alteration and (3) intensity. Variables of each controlling factor have been represented by vector layers and then integrated and analysed using a geographic information system to produce mineral potential maps for the study area. Variables of each controlling factor were analysed for each rock type individually. This approach was used to overcome problems due to the geochemical irregularities of various rock units. Field verification of the integrated mineral potential maps confirmed the presence of copper sulphide in the vicinity of St. Catherine. It was concluded that the maps could be used to define suitable locations for sulphide mineralization exploration. Numéro de notice : A2004-612 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27128 [article]

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