title: Substandard combustible minerals of Ukraine and principles of their ecological conversion
abstract: In the general case, substandard combustible minerals include on-balance and off-balance reserves of primary energy materials - coal and peat deposits (solid combustible minerals) and oil and natural gas deposits (liquid and gaseous combustible minerals), which by physico-chemical, energy or geological-spatial conditions do not meet the economic criteria for extraction and use of traditional technological methods, as well as the potential of methane from coal deposits, arrays of man-made carbon-
journal: Geology and Geochemistry of Combustible Minerals