• August 1, 2026
Primary coal

This article examines coal in its many dimensions: geological origin, global distribution, methods of extraction, economic importance, statistical trends, industrial applications and the environmental and policy debates surrounding it. Coal…

  • July 29, 2026
Wardha Valley Coalfield – India

The following article provides an in-depth overview of the Wardha Valley coal mining region in India, its geology, mining practices, economic importance and wider industrial and environmental contexts. The text…

  • July 20, 2026
Soft brown coal

Soft brown coal, commonly known as lignite, is a low-rank type of coal that plays a distinct role in the global energy mix and regional economies. Characterized by high moisture…

  • July 7, 2026
Inertinite-rich thermal coal

This article examines inertinite-rich thermal coal: its geological origins, where it is found and mined, its physical and chemical properties, industrial uses, economic importance, market dynamics and environmental implications. The…

  • June 29, 2026
San Juan Coal Mine – Colombia

The San Juan Coal Mine in Colombia represents one of the many mining sites that contribute to Colombia’s role as a major global coal producer and exporter. This article examines…

  • June 26, 2026
Low-caking coal

Low-caking coal is a specific category of coal defined by its limited tendency to soften, swell and fuse when heated in the absence of air. Unlike coking or strongly caking…

  • June 21, 2026
Non-swelling coal

This article examines the properties, distribution, economic importance and industrial uses of non-swelling coal — a category of coal defined by its limited tendency to cake or expand when heated.…

  • June 15, 2026
Ovoot Tolgoi Mine – Mongolia

The Ovoot Tolgoi coal site is one of Mongolia’s notable coal projects, combining significant geological resources with strategic economic importance for both local communities and regional energy markets. Located in…

  • June 14, 2026
Osinnikovskaya Mine – Russia

The Osinnikovskaya Mine, located in the heart of Russia’s coal-producing region, is part of the extensive network of mining sites that supply both domestic industries and international markets. This article…

  • May 11, 2026
Coal-to-liquid feedstock

This article examines coal as a feedstock for coal-to-liquid (CTL) processes: its geology, global occurrence, mining and supply, economic importance, statistics, industrial uses, environmental challenges and technological trends. Coal remains…