Hydrothermal alteration mapping and structural features in the Guelma basin (Northeastern Algeria): contribution of Landsat-8 data
| Autor: | Baya Nait Amara, Djamal Eddine Aissa, Said Maouche, Djamel Machane, Nabila Guessoum, Massinissa Braham |
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| Rok vydání: | 2019 |
| Předmět: |
Mineralization (geology)
010504 meteorology & atmospheric sciences Lineament Outcrop Geochemistry Structural basin 010502 geochemistry & geophysics 01 natural sciences Hydrothermal circulation Structural complexity General Earth and Planetary Sciences Geology 0105 earth and related environmental sciences General Environmental Science |
| Zdroj: | Arabian Journal of Geosciences. 12 |
| ISSN: | 1866-7538 1866-7511 |
| DOI: | 10.1007/s12517-019-4224-4 |
| Popis: | In this work, we use remote sensing tools to recognize and map outcrops of altered hydrothermal rock zones in the Guelma basin (Northeastern Algeria). This basin is characterized by many thermal springs which could be the origin of the hydrothermal alterations and the source of polymetallic mineralization of Zn, Sb, Pb, and As. Structural lineaments representing faults or faulted zones were successfully extracted using remote sensing processing. The superimposition of the known mineralization site map with the evidenced lineaments and hydrothermal alteration zones evidences that the zones of high fractures density and of great structural complexity are in agreement with the detected hydrothermal alterations zones. |
| Databáze: | OpenAIRE |
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