Article citationsMore>>
Simeon, Y., Delor, C., Zeade, Z., Kone, Y., Yao, B., Vidal, M., Diaby, I., Konan, G., Dje, B.I., N’da, D., Dommanget, A., Cautru, J.P., Guerrot, C. and Chiron, J.-C. (1995) Notice explicative de la carte géologique de la Côte d’Ivoire à 1/200000, feuille Agnibilékro. Mémoire de la Direction des Mines et de la Géologie de la Côte d’Ivoire, Abidjan, 5-8, 13.
has been cited by the following article:
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TITLE:
Petrographic, Geochemical and Metallogenical Context of the Geological Formations of the Goumere Region (North-East of Cote D’Ivoire): Implication to the Knowledge of Gold Mineralization
AUTHORS:
Fossou Jean-Luc Hervé Kouadio, Alain Nicaise Kouamelan, Topka Kakeu Lionel Boya, Roger Nicaise Kanga
KEYWORDS:
Petrography, Geochemistry, Metallogeny, Gouméré, Côte d’Ivoire
JOURNAL NAME:
International Journal of Geosciences,
Vol.15 No.2,
February
29,
2024
ABSTRACT: The Gouméré region is located
in the North-East of Côte d’Ivoire and is located in the South-West of the Bui
furrow. In order to highlight the geology of the area studied, 14 samples were
taken for studies using petrographic, geochemical and metallogenic methods. The
study of macroscopic and microscopic petrography made it possible to highlight two major lithological units: 1) a volcano-plutonic unit, formed
of gabbros, basalt, volcaniclastics and rhyodacite; 2) a
sedimentary unit (microconglomerate). From a geochemical point of view, the
results obtained indicate that the plutonites are gabbro and gabbro diorite
while the volcanics have compositions of basaltic andesites, rhyolite and
dacites. The sediments have a litharenitic to
sublitharenitic character. The metallogenic study made it possible to highlight hydrothermal alterations and
metalliferous paragenesis on the formations
studied. Hydrothermal alteration is characterized by the presence of
carbonation, silicification, sericitization, sulfidation and to a lesser degree chloritization. Metalliferous paragenesis
consists of pyrite, chalcopyrite, hematite and magnetite.
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