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Conference Proceedings

World Gold 2019

Conference Proceedings

World Gold 2019

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A geodynamic atlas for West African mineral systems

Understanding mineral systems in Proterozoic and Archean cratons requires a detailed understanding of the spatial and temporal relationships between magmatic, depositional, metamorphic, mineralising, and structural processes. The AMIRA International P934 West African Exploration Initiative, a 12-year partnership between industry, researchers and geological surveys has compiled a comprehensive GIS for available geoscience and exploration data that provides important constraints on our understanding of the geodynamic setting for metallogenisis. We have built upon this GIS to produce a digital Geodynamic Atlas that allows us to explore the spatial relationships between key geological elements for arbitrary time-slices. This has not only allowed us to test alternate hypotheses for the evolution of Birimian tectonics, but also to better understand how this evolution has led to mineralisation across the craton. CITATION:Jessell, M, 2019. A geodynamic atlas for West African mineral systems, in Proceedings World Gold 2019, pp 6064 (The Australasian Institute of Mining and Metallurgy: Melbourne).
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  • Published: 2018
  • PDF Size: 1.069 Mb.
  • Unique ID: p201906011

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