Kisii series (Bukoban system): Volcanics with sediments Mozambique Belt: quartzites, biotite/hornblende gneisses, schist, granitoid gneisses, amphibolites, migmatites. Intrusives: syntectonic granites Archean Kavirondian system: Mudstones, Sandstones, Conglomerates, Granitic intrusions Nyanzian system: Shales, cherts, ironstones, Pyroclastics, Rhyolites, .