Ore zones occur in the edge of local positive gravity anomaly, in the strike interrupted area or steep gradient area of regional aeromagnetic anomaly.

Mr Kadzura says other regional airlines and pilots will be engaged to help the situation as the national airline is losing half a million US dollars a day as a result of the strike.

The process of the oil migration is controlled by regional structures and the direction of the oil migration is consistent with the strike of major faults of Silurian.