• August 23, 2026
Cleated coal

Cleated coal is not a separate type of fuel but a descriptive term used by geologists and mining engineers to refer to coal seams that contain a well-developed system of…

  • August 22, 2026
Fractured coal

The term fractured coal refers to coal seams that contain pervasive natural cracks, joints and cleats which greatly influence their mechanical behavior, permeability and economic value. Fracturing may be the…

  • August 19, 2026
Raw sub-bituminous coal

This article examines raw sub-bituminous coal: its nature, where it occurs, how and where it is mined, its economic and industrial roles, and environmental and policy considerations. Sub-bituminous coal occupies…

  • August 17, 2026
The Most Beautifully Restored Coal Mines in the World

The journey from deep beneath the earth’s surface to transformed landmarks of culture and recreation illustrates a fascinating story of Coal. Once synonymous with industrial prowess and economic growth, abandoned…

  • August 17, 2026
Raw lignite

This article explores raw lignite — a low-rank form of coal commonly called brown coal — examining its geological origins, where it is found and mined, its role in modern…

  • August 15, 2026
The History of Coal and Its Role in the Industrial Revolution

Coal has played an indispensable role in shaping modern civilization, driving the wheels of the Industrial Revolution and powering economies around the globe. From the earliest discoveries of this abundant…

  • August 14, 2026
Culm coal

Culm coal is a term with several regional meanings, but it generally refers to **fine**, **waste** or low-grade coal material associated with mining and processing. This article reviews the nature…

  • August 10, 2026
Pea coal

Pea coal is a widely recognized commercial grade of coal valued for its convenient size and versatile uses, especially in household heating and small industrial applications. This article examines what…

  • August 8, 2026
Yuzhny Kuzbass Mine – Russia

The Yuzhny Kuzbass mining area—often referred to in English as the Yuzhny (Southern) sector of the Kuzbass basin—is one of the many coal-producing localities within the vast Kemerovo coal basin…

  • August 5, 2026
Coal dust

The following article explores the subject of coal and coal dust from geological occurrence to industrial applications, economic significance, and health and environmental implications. Coal remains one of the world’s…