Coal with high vitrinite content
Coal with high vitrinite content represents a distinct and economically important category of coal whose physical and chemical characteristics influence its use across power generation, metallurgical processes, chemical conversion and…
San Roque Coal Mine – Colombia
The San Roque Coal Mine occupies a notable place within Colombia’s broad and historically important mining landscape. This article reviews the mine’s geological setting, the types of resources recovered, its…
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…
Revuboe South – Mozambique
The Revuboe South site, located within Mozambique’s prolific coal-bearing region, is one of several important mining areas that have attracted international attention and investment over the past two decades. This…
Rampa Norte Coal Mine – Colombia
The Rampa Norte Coal Mine is one of the many mining sites located in Colombia’s rich northern coal belt. This article examines its geographic setting, what is extracted, the type…
How Coal Miners Became Symbols of Strength and Sacrifice
The story of coal is one of resilience, power, and transformation. From fueling the engines of the first industrial revolutions to influencing today’s financial markets, this humble black rock has…
Optimum Coal Mine – South Africa
The Optimum Coal Mine, located in South Africa’s rich Highveld coalfields, is one of the better-known coal operations in the Mpumalanga/Ogies region. This article summarizes its location, geological characteristics, the…
Composite coal
This article examines the subject commonly referred to as composite coal — a term that can denote both geological composite samples and engineered blends of different coal types used to…









