![M. Garside](https://cdn.statcdn.com/static/../CMS/contactperson/ERI913_1591697935.png)
Lignite production volume in Mongolia 2015-2022
Lignite, also known as brown coal, is a sedimentary rock formed by naturally compressed peat. With a carbon content of 25 to 35 percent, it is the lowest rank of coal due to its low heat content compared to other forms such as hard coal/anthracite.