Journal of African Earth Sciences (and the Middle East)

Petrography and geochemistry of granitic rocks, their origin and tectonic environment in the Wadi Risasa area, Southeastern Sinai, Egypt

Pub Date : 1993-11-01 DOI: 10.1016/0899-5362(93)90007-D Y.A. El-Sheshtawi , A.A. Dardir , A.A. Khyamy

The ilmenite: magnetite ratio in heavy mineral concentrates as a guide for gold exploration, Kuba Area, Northwest Nigeria

Pub Date : 1993-11-01 DOI: 10.1016/0899-5362(93)90013-G J.M. El-Nafaty

The effects of extensional and transpressional tectonics upon the development of Birimian sedimentary facies in Ghana, W. Africa: evidence from the Bomfa/Beposo District, near Konongo

Pub Date : 1993-11-01 DOI: 10.1016/0899-5362(93)90004-A A.P. Watkins , J.E. Iliffe , W.E. Sharp