The Baltata volcano is located immediately northwest of Cacca (No. 47). No details of the petrology have been found but Baltata is shown on an unpublished map of Di Paola (1976) as including pantellerites and alkali trachytes.
DI PAOLA, G.M. 1976. Geological map of the Tullu Moje' volcanic area (Arussi: Ethiopian rift valley). Consiglio Nazionale delle Ricerche, Italy. (unpublished).