Low-BTU coal
This article examines the characteristics, occurrences, extraction, economic roles and industrial importance of low-calorific-value coal—commonly referred to as low-BTU coal. It presents geological and geographical contexts, outlines the technological and…
Carbon-rich hard coal
This article examines the geological nature, distribution, extraction, economic importance and industrial uses of high-carbon hard coal — a group of coals valued for their high fixed carbon content and…
Taldinskaya-Zapadnaya Mine – Russia
The Taldinskaya-Zapadnaya mine is one of the coal-producing sites located in the heart of Siberia’s industrial coal region. This article provides a comprehensive overview of the mine’s location and geological…
Carbon coal
The following article examines the geological nature, global distribution, economic importance, and environmental implications of coal — a sedimentary rock that has powered industry and societies for centuries. It covers…
Gas coal
This article explores the nature, distribution, economic importance and industrial uses of gas coal — a form of coal with distinctive physical and chemical properties that make it valuable for…
Soft steam coal
This article explores the characteristics, distribution, economic role and industrial importance of soft steam coal. Soft steam coal—commonly identified with certain grades of bituminous coal used primarily for thermal applications—remains…
Hard steam coal
Hard steam coal is a widely used category of solid fossil fuel, valued for its relatively high energy content and versatility across power generation and industrial processes. This article examines…
Amlohri Mine – India
The following article presents a comprehensive overview of the Amlohri Mine, a coal mining site in India. Publicly available, mine-specific data for Amlohri are limited; therefore the narrative combines verified…
Ultra-supercritical coal grade
The term ultra-supercritical is most commonly associated with advanced steam cycle technology used in coal-fired power plants, not a standalone type of coal. However, certain coal qualities are particularly suitable…









