Idola nickel deposit and other industrial Me Nowhern grensene delt(Tigraw): This belt comprises of the primary gold occurrences of Terakemti, Adi-Zeresenay, and Nirague. The base metals of Terer, Tsehafiemba and other parts of Tigray, Placer gold occurences of Tigray. eview Questions A groreness carbas newer the following questions briefly. 1. What were the major geologie processes of the Precambrian and Paleozoic Eras in the Horn of Africa 2. Explain the formation of the oldest sedimentary rocks in Ethiopia and the Hom. 3 Discuss the major geologic events of Ethiopia that took place during the Cenozoic Era 4 Where are the major mineral potential sites of Ethiopia? Discuss each of them with the help of examples W&s. w-Greenstone bere DUIT xupe oda :- Cioclere