Geological Characteristics, Mineralization, and Development Situation of Principal Metal Mineral Resources in the West African Craton

HU Peng; JIANG Jun-Sheng; ZHANG Hai-Kun; ZENG Guo-ping; CHENG Xiang; XIANG Peng; XIANG Wen-Shuai

doi:10.3969/j.issn.2097-0013.2022.04.004

2022 Vol. 38, No. 4

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Article navigation > South China Geology > 2022 > 38(4): 614-625

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HU Peng, JIANG Jun-Sheng, ZHANG Hai-Kun, ZENG Guo-ping, CHENG Xiang, XIANG Peng, XIANG Wen-Shuai. 2022. Geological Characteristics, Mineralization, and Development Situation of Principal Metal Mineral Resources in the West African Craton. South China Geology, 38(4): 614-625. doi: 10.3969/j.issn.2097-0013.2022.04.004

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HU Peng, JIANG Jun-Sheng, ZHANG Hai-Kun, ZENG Guo-ping, CHENG Xiang, XIANG Peng, XIANG Wen-Shuai. 2022. Geological Characteristics, Mineralization, and Development Situation of Principal Metal Mineral Resources in the West African Craton. South China Geology, 38(4): 614-625. doi: 10.3969/j.issn.2097-0013.2022.04.004

Geological Characteristics, Mineralization, and Development Situation of Principal Metal Mineral Resources in the West African Craton

Wuhan Center, China Geological Survey (Central South China Innovation Center for Geosciences), Wuhan 430205, Hubei, China

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Corresponding author: JIANG Jun-Sheng

Received Date: 15 August 2022

Revised Date: 31 August 2022

Abstract

Abstract

The dominant metal minerals in the West African Craton with superior mineralization include iron, bauxite and gold. The iron ore deposits in the west African craton are mainly the BIF type, which mainly occur in the Neoarchean and Paleoproterozoic shield and are related to metamorphic volcanic sedimentary strata, especially the greenstone belt. The bauxite deposits occur in the laterite residue of Proterozoic, Paleozoic and Mesozoic aluminum-rich silicate rocks, and are mainly distributed in the Western Paleozoic Bove Basin. The gold deposits are mainly the orogenic type and distributed in the Paleoproterozoic Leo shield. The formation of BIF-type iron deposits in West Africa has gone through a long process of sedimentation-metamorphism / deformation-weathering enrichment. The bauxite ore is the result of the coupling of regional structure, metallogenic parent rock, climate, landform, hydrogeology and other factors in the geological history. The gold mineralization shows affinity with the middle Archean Liberian orogeny (2.9-2.8 Ga), Paleoproterozoic Eburnean orogeny (2.2-2.0 Ga) and Meso-Cenozoic weathering, leaching and sedimentation. In recent years, with the gradual improvement of metallogenic theory research and advance of prospecting work in West Africa, mining activities have also been steadily developed. Generally, the iron ore development in the West Africa is accelerating, which would be a potentially important in the global iron ore market. The bauxite development in the West Africa, is concentrated in Guinea, where Chinese companies gained a robust momentum. The gold development is progressing steadily, which is, dominated by the companies of western countries.
- West African craton /
- geological characteristics /
- mineralization /
- development situation

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References

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