Zasiadko Mine – Ukraine
The Zasiadko (also spelled Zasyadko) coal mine is one of the most well-known and controversial mining operations in Ukraine’s Donbas basin. Located in the industrial heartland of Donetsk Oblast, the…
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…
The Forgotten Coal Railroads That Once Powered Nations
The story of coal and the railroads that once crisscrossed continents is a tale of relentless innovation, profound economic shifts, and the enduring legacy of an era when black rock…
Reworked coal
This article examines the geological, economic and industrial aspects of reworked coal — an intriguing category of coal that has been transported, eroded, oxidized or otherwise altered after initial formation.…
Secondary coal
This article explores the phenomenon commonly referred to as secondary coal, examining what the term means in different contexts, where such coal occurs, how it is recovered or mined, and…
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…
Industrial-grade lignite
Industrial-grade lignite, often termed brown coal, is a distinctive type of coal that occupies an important but controversial position in the global energy and industrial landscape. Characterized by relatively low…
Thermal middlings
Thermal middlings are an often-overlooked but important fraction of coal that plays a practical role across mining, coal preparation and power-generation value chains. This article explains what thermal middlings are,…
Low-phosphorus coal
Low-phosphorus coal occupies a special niche within the global coal complex: it is a grade of coal with unusually low concentrations of phosphorus, prized by industries that demand high-purity feedstocks.…
Chemical feedstock coal
Chemical feedstock coal is a class of coal valued not primarily for its role as a thermal fuel but for its capacity to provide carbon-rich raw materials for chemical processes.…
