Lignite deposits are situated in a number of locations within the State. Principal deposits of this mineral however are found in Obomkpa, Ogwashi- Uku in Aniocha South local government areas and also in Okpanam in Oshimili North Local Government Area. The proven tonnage of this brown coal from the State is over 175 million tones. The deposit beds lie close to the surface thus making it easy to excavate at low cost. Since dry lignite contains about 60 to 75 percent carbon, it could be put into most carbon related ventures as raw materials. Besides, it is also used for power generation.