Soft brown coal
Soft brown coal, commonly known as lignite, is a low-rank type of coal that plays a distinct role in the global energy mix and regional economies. Characterized by high moisture…
Dull coal
This article examines the topic of dull coal — a descriptive classification of coal distinguished by its matte appearance, particular physical and chemical characteristics, and specific industrial uses. Dull coal…
Fusain-rich coal
Fusain-rich coal is a distinctive variety of coal in which fragments of fossil charcoal, known collectively as fusain, are abundant. These coals preserve a record of ancient paleo-wildfires and the…
Inertinite-rich thermal coal
This article examines inertinite-rich thermal coal: its geological origins, where it is found and mined, its physical and chemical properties, industrial uses, economic importance, market dynamics and environmental implications. The…
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…
Low-plasticity coal
This article explores the characteristics, geological occurrence, economic significance and industrial uses of low-plasticity coal. Low-plasticity coal is a distinct category in coal petrography and technological classification: it does not…
Non-swelling coal
This article examines the properties, distribution, economic importance and industrial uses of non-swelling coal — a category of coal defined by its limited tendency to cake or expand when heated.…
Pavlograd Coal Mines – Ukraine
The Pavlograd coal mining area, located in the Dnipropetrovsk region of eastern Ukraine, is one of the country’s historically important coal-producing districts. For well over a century the mines around…
Low-swelling coal
This article explores the characteristics, occurrence, extraction, economic role and industrial uses of low-swelling coal. Low-swelling coals form an important segment of the global coal resource base. Although they are…
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…
