coal seam Synonyms

coal bed anthracite coal layer coal seams coalmont formation coalseam geological seam anthracite formation anthracite vein bituminous bed bituminous coal bed bituminous coal layer bituminous deposit bituminous layer black-striped coal formation coal bed methane carbon layer band bed delf bituminous coal brown coal black coal coalbed pit coal coal deposit coalspur formation seam of coal bed of coal black banded deposit of coal carbon layers