The total lignite reserves estimated by Geological Survey of Pakistan in Thar are around 175 billion tons which are spread over an area of 9,000 SqKm.
![Thar Coal Mining Project](https://technologytimes.pk/wp-content/uploads/2019/07/Supplement-Thar-Coal-2019-785x607.jpg)
The US Geological Survey also undertook the estimation of Thar coal reserves and issued a report in 1994 confirming the presence of huge lignite coal reserves. The Asian Development Bank carried out a study on Thar Coal Mining Project in 2007 which says: “Figures provided by the Geological Survey of Pakistan (GSP) state that the resource has a potential of 175 billion tons. From examination of the detailed material provided by the GSP, there is no reason to doubt that a resource exists of the scale claimed at Thar Coal Mining Project”.