• July 6, 2026
How Coal Shaped the Modern World Economy

The story of coal is intertwined with human progress, driving transformations that have left an indelible mark on economies and societies. From fueling massive steam engines to shaping modern financial…

  • July 4, 2026
Coal with high liptinite content

This article examines coals that are unusually rich in liptinite macerals — a group of organic constituents in coal that derive from spores, cuticles, resins and algal materials. Such coals…

  • July 3, 2026
Sebuku Coal Mine – Indonesia

The Sebuku Coal Mine, located off the coast of Indonesian Borneo, represents a notable example of small- to medium-scale island-based coal production in Southeast Asia. This article outlines the mine’s…

  • July 3, 2026
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…

  • July 2, 2026
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…

  • July 2, 2026
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…

  • June 30, 2026
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…

  • June 29, 2026
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…

  • June 29, 2026
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…

  • June 28, 2026
Non-caking coal

Non-caking coal is a broad category of coals that do not soften, plasticize or fuse into a coherent, porous mass (coke) when heated in the absence of air. It is…