1. Abbate, E., Facibeni, P., Gregnanin, A., Merla, G. andSagri, M., 1969,Basalt flows and related sandstones in the Socota area (Northern Ethiopia). Boll. Soc. Geol. It.,88, p. 499–516.
2. Bailey, D. K., 1964,Crustal Warping — A possible tectonic control of alkaline magmatism. Journ. of Geoph. Res.,69, n. 6.
3. Baker, B. H. andWohlenberg, J., 1971,Structure and evolution of the Kenya rift valley. Nature,229, p. 538–42.
4. -----,Mohr, P. A. andWilliams, L. A. J., 1972,Geology of the Eastern Rift System of Africa. Geol. Soc. of America, Special paper, 136.
5. Barberi, F., Borsi, S., Ferrara, G. Marinelli, G. andVaret, J., 1970,Relations between tectonics and magmatology in the Northern Danakil Depression (Ethiopia). Phil. Trans Roy. Soc. Long., A.267, p. 293–311.