G-grade coal
This article examines the properties, distribution, economic role and industrial significance of a category frequently referred to as G-grade coal. The term can have several meanings depending on national standards…
D-grade coal
D-grade coal occupies a specific niche in the wider spectrum of coal types: it is typically a lower-ranked, commercially traded category of coal used mainly for thermal applications, industrial heating…
Tashan Coal Mine – China
The following article provides a comprehensive overview of the Tashan Coal Mine in China, examining its location, the types of coal produced, economic and industrial roles, available statistical information, environmental…



