Bitumen

Bitumen also referred to as Asphalt is a sticky, black and highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product; it is a substance classed as a pitch. In Nigeria, bitumen typically occurs both on the surface and sub-surface. The estimated probable reserves …

Limestone

Classified as one of the strategic mineral in Nigeria, Limestone is a rock with an enormous diversity of uses. The largest and purest deposits of limestone are found in the Southwest and Middle belt regions of the country. Limestone in the Southwest region of Nigeria has been estimated at 31 million tonnes. Most limestone mining …

Barytes

Barytes (or barite) is the naturally occurring mineral form of barium sulphate. Its main properties are its high specific gravity (4.5), very low solubility; it is non-toxic, and also chemically and physically unreactive. It is extracted by both surface and underground mining, followed by simple physical processing methods to produce correctly sized product and to …

Coal

Coal is classified as one of the strategic minerals in Nigeria. It is a flammable black rock used as a solid fossil fuel. It is mainly made up of 65-95% carbon and also contains hydrogen, sulphur, oxygen and nitrogen. In Nigeria, coal can be found in the Middle belt and South-eastern regions of the country …