• December 22, 2025
Gas coal

This article explores the nature, distribution, economic importance and industrial uses of gas coal — a form of coal with distinctive physical and chemical properties that make it valuable for…

  • December 21, 2025
Non-coking coal

Non-coking coal, often referred to as thermal or steam coal, is one of the most widely used fossil fuels in the world. Unlike coking coal, which is suitable for metallurgical…

  • December 19, 2025
Puerto Libertador Mine – Colombia

The following article provides a comprehensive overview of the Puerto Libertador coal mining area in Colombia. It covers the mine’s location and geology, the types of coal extracted, mining methods…

  • 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 18, 2025
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…

  • December 17, 2025
Chirimiri Coalfield – India

The Chirimiri Coalfield is one of the historic mining areas of central India, with a long-standing role in supplying coal to the region’s industries and power plants. Located in the…

  • December 16, 2025
Bina Project Mine – India

The Bina Project Mine, often referenced in regional coal development discussions in central India, represents a component of the country’s extensive coal-mining landscape. This article summarizes the known geological, technical,…

  • December 14, 2025
Dipka Mine – India

The following article provides a comprehensive overview of the Dipka mine in India, covering its location, geology, the type of coal produced, operational and economic roles, social and environmental impacts,…

  • December 13, 2025
Enriched coal

Enriched coal — a term often used to describe coal that has undergone physical and/or chemical processing to improve its quality — plays a complex role in the modern energy…

  • December 11, 2025
Dhanbad Jharia Coalfield – India

The Dhanbad–Jharia coal mining area is one of the most historically important and industrially significant mining regions in India. Located in the heart of the state of Jharkhand, this coalfield…