Original Article

Econ. Environ. Geol. 2020; 53(4): 425-440

Published online August 31, 2020

https://doi.org/10.9719/EEG.2020.53.4.425

© THE KOREAN SOCIETY OF ECONOMIC AND ENVIRONMENTAL GEOLOGY

Lithological and Structural Lineament Mapping from Landsat 8 OLI Images in Ras Kammouna Arid Area (Eastern Anti-Atlas, Morocco)

Brahim Es-Sabbar*, Mourad Essalhi, Abdelhafid Essalhi and Hicham Si Mhamdi

Moulay Ismail University, Faculty of Sciences and Techniques, Department of Geosciences, BP 509, Boutalamine, Errachidia, Morocco, 52000

Correspondence to : brahim01sabbar@gmail.com

Received: February 8, 2020; Revised: July 5, 2020; Accepted: July 24, 2020

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided original work is properly cited.

Abstract

The study area is located in the southern part of the M’aider Paleozoic basin in the Moroccan Eastern Anti-Atlas. It is an arid region, characterized by minimal vegetation cover, which can provide an ideal environment to apply remote sensing. In this study, remote sensing and field investigations were integrated for lithological and structural lineaments mapping. The Landsat 8 OLI data were processed in order to understand the role of lithology and geological structures in the distribution of mineral deposits in the study area. To achieve this purpose, the Color Composite (CC), the Principal Component Analysis (PCA) and Band Rationing transformation (BR) tests were performed. The results of remote sensing techniques coupled with field investigations have shown that the zones of high lineaments densities are highly correlated with the occurrences of barite mineralization. These findings depict a spatial relationship between structural lineaments and the mineralization distribution zones. Therefore, the barite and Iron oxides mineralization veins, which occur mainly in the Ras Kammouna district, seem to have a structural control. The methodological approach used in this study examining lithological mapping and lineament extractions can be used to explore mineral deposits in arid regions to a high degree of efficiency.

Keywords remote sensing, geological mapping, Ras Kammouna, Eastern Anti-Atlas, Morocco

Article

Original Article

Econ. Environ. Geol. 2020; 53(4): 425-440

Published online August 31, 2020 https://doi.org/10.9719/EEG.2020.53.4.425

Copyright © THE KOREAN SOCIETY OF ECONOMIC AND ENVIRONMENTAL GEOLOGY.

Lithological and Structural Lineament Mapping from Landsat 8 OLI Images in Ras Kammouna Arid Area (Eastern Anti-Atlas, Morocco)

Brahim Es-Sabbar*, Mourad Essalhi, Abdelhafid Essalhi and Hicham Si Mhamdi

Moulay Ismail University, Faculty of Sciences and Techniques, Department of Geosciences, BP 509, Boutalamine, Errachidia, Morocco, 52000

Correspondence to:brahim01sabbar@gmail.com

Received: February 8, 2020; Revised: July 5, 2020; Accepted: July 24, 2020

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided original work is properly cited.

Abstract

The study area is located in the southern part of the M’aider Paleozoic basin in the Moroccan Eastern Anti-Atlas. It is an arid region, characterized by minimal vegetation cover, which can provide an ideal environment to apply remote sensing. In this study, remote sensing and field investigations were integrated for lithological and structural lineaments mapping. The Landsat 8 OLI data were processed in order to understand the role of lithology and geological structures in the distribution of mineral deposits in the study area. To achieve this purpose, the Color Composite (CC), the Principal Component Analysis (PCA) and Band Rationing transformation (BR) tests were performed. The results of remote sensing techniques coupled with field investigations have shown that the zones of high lineaments densities are highly correlated with the occurrences of barite mineralization. These findings depict a spatial relationship between structural lineaments and the mineralization distribution zones. Therefore, the barite and Iron oxides mineralization veins, which occur mainly in the Ras Kammouna district, seem to have a structural control. The methodological approach used in this study examining lithological mapping and lineament extractions can be used to explore mineral deposits in arid regions to a high degree of efficiency.

Keywords remote sensing, geological mapping, Ras Kammouna, Eastern Anti-Atlas, Morocco

    KSEEG
    Jun 30, 2024 Vol.57 No.3, pp. 281~352

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