• December 24, 2025
Heating coal

Heating coal plays a continuing and complex role in the modern energy system. This article explores the geological occurrence, mining and processing, global production and trade, economic importance, industrial uses,…

  • December 23, 2025
Steam-raising coal

Steam-raising coal, often referred to as steam coal or thermal coal, is the class of coal primarily used to generate steam for electricity production and industrial heat. This article examines…

  • 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,…