Young lignite
Younger forms of coal commonly known as lignite or brown coal occupy a unique place in the global energy landscape. Formed in relatively recent geological times, these deposits are typically…
Satui Coal Mine – Indonesia
The following article provides a comprehensive overview of the Satui coal mining area in Indonesia. It covers the mine’s location, geological characteristics, mining methods, economic significance, production and export dynamics,…
Coal tar-rich coal
This article examines coal varieties that yield high volumes of coal tar — a historically and industrially important byproduct of coal processing. It covers geological characteristics, major producing regions, extraction…
Gasification-grade sub-bituminous coal
This article examines gasification-grade sub-bituminous coal: its geological characteristics, global distribution, mining and supply patterns, technical suitability for coal gasification and related processes, economic and market aspects, environmental considerations, and…
Apsatsky Mine – Russia
The following article examines the Apsatsky Mine in Russia, placing it in the broader context of the Russian coal industry. It covers the mine’s likely location and geological characteristics, the…
Jayant Mine – India
The Jayant coal mining complex is one of the notable mining operations in central India, located in the broader Singrauli coalfield region. This article explores the mine’s location, geological characteristics,…
Sub-bituminous B
Sub-bituminous B coal is a low- to medium-rank thermal coal that plays an important role in contemporary energy systems, particularly for power generation. It sits between lignite and bituminous coal…
Sub-bituminous coal
Sub-bituminous coal is an intermediate rank of coal that bridges the gap between lignite and bituminous coal. It plays a crucial role in modern energy systems, particularly in power generation,…
Low-volatile bituminous coal
Low-volatile bituminous coal is a high-rank coal grade prized for its elevated carbon content, strong coking properties and relatively low volatile matter. This article examines its geological characteristics, global distribution,…
High-volatile bituminous coal
High-volatile bituminous coal occupies an important place among the ranks of coal used around the world. This article summarizes its geological characteristics, where it occurs and is mined, economic and…
