Coal with high inertinite content
Coal characterized by a high content of inertinite macerals represents a distinct and economically important subset of the world’s coals. These coals carry a record of past environmental conditions, pose…
Satui Coal Mine – Indonesia
The following article provides a comprehensive overview of the Satui coal mining area in Indonesia. It covers the mine’s location, geological characteristics, mining methods, economic significance, production and export dynamics,…
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…
How Coal Powered the Expansion of Railways and Shipping
The evolution of mineral extraction has shaped societies and economies for centuries. Among the various resources, coal holds a pivotal place as both a catalyst for industrial expansion and a…
Sangatta Coal Mine – Indonesia
The Sangatta coal complex in East Kalimantan, Indonesia, is one of the country’s most recognizable and historically important mining areas. Located within the Kutai Basin, Sangatta encompasses large open-pit operations…
Coal tar-rich coal
This article examines coal varieties that yield high volumes of coal tar — a historically and industrially important byproduct of coal processing. It covers geological characteristics, major producing regions, extraction…
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…
How Coal Powered the Age of Steam
The story of coal is inseparable from the development of the steam era. As a dense, reliable source of fuel, coal fueled the rise of mighty engines, reshaped economies, and…
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…
Plastic coal
This article explores the phenomenon commonly called “plastic coal” — coal that exhibits a distinctive plasticity or caking behavior when heated — and the many technical, economic and environmental aspects…
