SCIENCE|natural and applied sciences|earth sciences · ENERGY|coal and mining industries|mining product · INDUSTRY|miscellaneous industries
- sceall biotúmanach Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- bituminous shale
- en
- Sainmhíniú argillaceous shale impregnated with bitumen, often accompanying coal Tagairt "Wikipedia > Bituminous shale. http://en.wikipedia.org/wiki/Bituminous_shale [19.1.2012]"
- Nóta "It may contain kerogen; in that case it is classified as oil shale [ IATE:790475 ]. When carbonaceous material is present in large amounts, bituminous shale grades into bituminous coal."