BuildingthefoundationforasustainableenergyfuturefromDelta'srichlignitereserves.
The Delta Lignite Mine Project lies within the Azagba-Ogwuashi Lignite Formation, about 5 km off the Benin–Onitsha highway with an area of 11.4 km². Mosra Energy explored Exploration Licence (EL) Block 20981, drilling 112 boreholes (96 RC and 16 Core) at 250m x 250m spacing
Five lignite seams (A–E) were identified at depths between 7.75m and 77.1m, with an average thickness of 5.5m. The deposit occurs within sandstone, clay, mudstone, carbonaceous shale, and lignite formations. The lignite is uniform brownish-black, with high volatile matter, excellent reactivity, and a fibrous texture — ideal for thermal power generation.
Geologically, the deposit lies within the Tertiary Niger Delta Formation, featuring thick, laterally extensive seams embedded in stable clay-shale sequences. Exceptional preservation across the deposit ensures a consistent calorific value, reinforcing its reliability for future energy projects
The lignite seams were found occurring in zones of clay-shale, mudstone and lignitic shale separated by sandstone with subordinate bands of clay. The seams were horizontally laid along the bedding plane and normally exposed along stream channels. Abundant proven reserves of Coal deposit has been identified within the mining block and the geological resources given as 98.72 Mt. This is projected to increase after further exploration programme in the area.
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