3rd Commonwealth Chemistry Congress - Abstract book

Zero Hunger (SDG 2), Good Health & Well-being (SDG 3)

Mapping and assessment of the potential of hydrothermal springs in Tete - Mozambique Paulino Muteto 1 , Luis Magaia 2 1 Chemistry Department, Faculty of Sciences, University Eduardo Mondlane 2 Geology Department, Faculty of Sciences, University Eduardo Mondlane E-mail: paulino.muteto@gmail.com Mozambique registers several geothermal occurrences along the rift lineaments known in the provinces of Niassa, Tete, Zambezia, Manica and Sofala. The temperature of the water in some of these hot springs are higher than 100 oC. The use of these important natural resources for tourist, therapeutic and geothermal purposes is still incipient, hence the relevance to assess the potential and geological mapping of these hydrothermal sources, in the present work. The evaluation was carried out through the determination of physical-chemical parameters in situ and in the laboratory of water and sediment samples in hot springs in the districts of Tete province: hot spring of Mawira 1, Mawira 2 and Nhaondue-Moatize District and hot spring of Tenta-Marara District. Tenta Hot Spring has potential for ecotourism due to its proximity to the Zambezi River. The results obtained suggest that some springs can be used to generate energy and others for leisure or therapeutic treatment. Furthermore, it is urgent that measures are taken to protect the locations of thermal springs, mapped so far, against artisanal mining activities that, with very little gain, are causing the destruction of the site and the landscape, as well as the water of these unique ecosystems. Key words: Thermal sources, geothermal occurrences, Mozambique References 1. Lächelt, S. (2004). Geology and mineral resources of Mozambique. Ministério dos Recursos Minerais e Energia, Direcção Nacional de Geologia. 2. Martinelli, G., Dongarra, G., Jones, M. Q., & Rodriguez, A. (1995). Geothermal features of Mozambique: Country update. Proceedings of the World Geothermal Congress, 251–273. 3. Steinbruch, F., & Merkel, B. J. (2008). Characterization of a Pleistocene thermal spring in Mozambique. Hydrogeology Journal, 16(8), 1655–1668. https://doi.org/10.1007/s10040-008-0343-9.

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