How To Use bituminous coal In A Sentence
- Depending on the degree of carbon concentration and coalification, one differentiates between lignite, bituminous coal and anthracite.
- Continuation of the processes of induration produces _subbituminous coal_, or _black lignite_, which is usually black and sometimes has a fairly bright luster. The Economic Aspect of Geology
- Depending on the degree of carbon concentration and coalification, one differentiates between lignite, bituminous coal and anthracite.
- Peats will in situ change successively to lignite, to bituminous coal, and eventually to anthracite.
- It has greater density than the lignites or subbituminous coals, is black, more brittle, and breaks with a cubical or conchoidal fracture. The Economic Aspect of Geology
- Fanned by a constant updraught of ventilation between the kitchen and the chimneyflue, ignition was communicated from the faggots of precombustible fuel to polyhedral masses of bituminous coal, containing in compressed mineral form the foliated fossilised decidua of primeval forests which had in turn derived their vegetative existence from the sun, primal source of heat (radiant), transmitted through omnipresent luminiferous diathermanous ether. Ulysses
- _ The term "bituminous," as generally understood, is applied to a group of coals having a maximum fuel ratio of about 3, and hence it is a kind of coal in which the volatile matter and the fixed carbon are nearly equal; but this criterion cannot be used without qualification, for the same statement might be made of subbituminous coal and lignite. The Economic Aspect of Geology
- They build up on sheltered exposures of fine-grained, porous pyrite-bearing rocks, such as shale or bituminous coal, after long dry spells.
- Continued compaction by overburden then converts lignite into bituminous coal and finally, anthracite coal.
- WHEREAS there exists a labor dispute between certain bituminous coal operators and associations and certain of their employees represented by the International Union, United Mine Workers of America, involving wages and terms and conditions of employment; and EXECUTIVE ORDER 10106