Abstract
At Dondo Mobi (Gabon), under equatorial rainforest conditions, gold dispersion haloes form from weathering of auriferous lisvenite and spreads laterally within Proterozoic schistand Archean gneiss-derived surficial layers (Fig. 1 ). Within the lower saprolite, by eye gold is closely associated with auriferous parent rock. From petrological study of host rocks and gold particles themselves, it has been demonstrated that the surficial dispersed visible gold consists of residual gold particles inherited from the lisvenite source, and that
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