• January 24, 2026
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…

  • December 13, 2025
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,…

  • December 1, 2025
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…

  • November 30, 2025
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,…

  • November 30, 2025
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,…

  • November 29, 2025
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…

  • November 26, 2025
Semi-soft coking coal

Semi-soft coking coal occupies an important middle ground in the world of metallurgical coals. It is neither the highest-grade hard coking coal used to produce premium blast-furnace coke nor the…

  • November 25, 2025
Soft coking coal

Soft coking coal occupies a specific and important niche within the family of bituminous coals. It combines properties that make it partially suitable for metallurgical processes, particularly when blended with…

  • November 25, 2025
Hard coking coal

Hard coking coal is one of the most important raw materials in traditional iron- and steelmaking. Unlike thermal coal used mainly for power generation, this specialised grade of coal is…