Home / Vol. 25 (2022)

DELINEATION OF MINERAL POTENTIAL ZONE USING GIS IN THE SOUTHERN PART OF LIBYA

Dr.Younes Ajal Abulghasem, Ahmed Saheel, Tareq Hamed Mezughi

1Geologic Department, Faculty of Sciences. Alabel Alghrabi University.
Exploration Department, Libyan Petroleum Institute (LPI), Tripoli-Libya.
Geography Department, Faculty of Arts, Tripoli University, Tripoli-Libya

DOI: 10.68482/prj.2022.25.001 · Published Dec 2022 · Section: Exploration · Pages:

Abstract

The powerful tools of Geographic Information System (GIS) and remote sensing (RS) have significantlycontributed to the modern geological mapping and mineral exploration by enhancing, interpretation and integrationof various geological datasets. Integration of remote sensing and airborne magnetic data with other geological datasets are the most promising and cost-effective method to add new structural and lithological aspects to the map of thegeology in a diverse geological province as in the area of current research. This is due to the fact that all the geosciencesinformation together with pre-processed remotely sensed data can be used as evidence to delineate possible areas for further study and more investigation (Chang-Jo & Fabbri 1993). The study area is a belt of Upper Devonian sedimentary formation including iron ore bearing layers, which extend over about 160km, in ENE-WSW direction, on the northern border of the Murzuq Basin. The study area is located in the western central part of Libya within the bounder’s 27º South and 28º North Latitude and 12º to 16º East-longitude covering an area of nearly 40,000km2. This study examinesthe integration of aeromagnetic data with remote sensing to discover any probable extensions of iron ore deposits and any associated minerals in the area of study. The study involves analysis of magnetic data to delineate geological structures, faults and to extract important information about the locations of buried magnetic bearing rocks. Spatial data integration and analysis for the study area and predicting mineral potential were carried out on the available digital remote sensing data (Landsat ETM+).

Keywords

Geographic Information System (GIS), Remote Sensing (RS), Wadi Ash Shati, Iron Bearing Layer, Landsat ETM+, Aeromagnetic Survey

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