Litho-tectonic evolution and metallogeny of the Yaouré gold camp, Côte d'Ivoire West Africa; Integration into the southern West African craton evolution

Nicolas Meriaud

Research output: ThesisDoctoral Thesis

Abstract

The Yaouré gold deposit is an orogenic gold deposit in Côte d'Ivoire (West Africa). We combine field-based structural geology and lithostratigraphy with U-Pb geochronology, geochemistry and in-situ ore mineral trace element and sulfur isotope analyses to document the processes leading to gold mineralisation across scale spanning grain through to regional scale. We show that: (1) mineralisation is controlled by the regional crustal architecture, (2) gold mineralisation developed through a polyphased mineralisation process with economic grade developing with fault valve behaviour in a low differential stress environment, and (3) the geochemical and isotopic footprint of mineralisation help decipher Au deposition mechanisms.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • Masurel, Quentin, Supervisor
  • Jessell, Mark, Supervisor
  • Hagemann, Steffen, Supervisor
  • Hayman, Patrick, Supervisor, External person
Thesis sponsors
Award date3 Nov 2020
DOIs
Publication statusUnpublished - 2020

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