And the search continues both onshore and offshore for more oil and gas, particularly around the Rovuma Basin next to the southern border with Mozambique where its southern neighbour has found reserves.

He said there was potential for gas in the Rovuma River Basin which marks the Tanzanian border and the Zambezi delta and more drilling would be needed to find oil and gas deposits, adding: "We need to intensify our search for oil and gas this year in those areas.

His reading of the literature and his field data sometimes misses the mark on issues pertaining to life on the southern side of the Rovuma River--for example, he tends to speak of "the Makonde" as a cohesive group in reference to periods that predate the emergence of such a collective sense of identity; and he neglects almost completely to talk about the influence of FRELIMO nationalism and socialism on Makonde society in both Mozambique and Tanzania.