This document provides a summary of the Ngoye Complex, a geological formation located in South Africa. It describes the following key details: - The Ngoye Complex consists primarily of alkaline to peralkaline granitoid gneisses intruded approximately 1067 million years ago. - It forms a prominent east-trending whaleback massif up to 30 km long and 4 km wide, with minor satellite bodies. - The complex contains three varieties of granitoid gneiss - metaluminous, peraluminous, and peralkaline - with different mineral compositions and distributions. - Geochemical analysis shows the rocks are enriched in elements like sodium, potassium, zircon