• December 18, 2025
H-grade coal

This article examines H-grade coal — a term often used in industry to denote higher-quality coal with significant heat output and specific properties that make it valuable for energy and…

  • December 17, 2025
F-grade coal

This article explores the characteristics, occurrence, production, economic role and industrial significance of what is commonly referred to as F-grade coal — a practical label used in some markets and…

  • December 16, 2025
Amlohri Mine – India

The following article presents a comprehensive overview of the Amlohri Mine, a coal mining site in India. Publicly available, mine-specific data for Amlohri are limited; therefore the narrative combines verified…

  • December 13, 2025
Raniganj Coalfield – India

The Raniganj Coalfield is one of the oldest and most historically important coal mining regions in India. Located in the eastern part of the country, it played a central role…

  • December 12, 2025
High-moisture coal

High-moisture coal is a broad category of low-rank coals that contain a significantly higher share of water in their natural state than medium- and high-rank coals. These coals play an…

  • December 10, 2025
Pingdingshan Coal Mine – China

This article provides a comprehensive overview of the coal mining complex centered on Pingdingshan in central China. It describes the location and geology, the types of coal produced, the mining…

  • December 8, 2025
Short-flame coal

Short-flame coal is a distinct category within the broad family of coals, recognized in some regions and markets for its specific combustion behavior and material properties. This article explores what…

  • December 4, 2025
Daliuta Coal Mine – China

The Daliuta coal mining complex, located in northern China, is an important component of the country’s sprawling coal industry. Nestled within one of China’s most productive coal regions, the mine…

  • December 3, 2025
Haerwusu Coal Mine – China

The following article presents a comprehensive overview of the Haerwusu Coal Mine in northern China. It covers the mine’s geographic setting, geology and coal characteristics, production and operations, economic and…

  • 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…