 | United States. Department of Agriculture - 1862 - 698 페이지
...undergone "a special mineralization, producing a bituminous matter instead of coal or lignite, and not attributable to heat, nor of the nature of a distillation, but due to chemical reaction at the ordinary temperature and under the normal conditions of climate." He... | |
 | 1861 - 506 페이지
...special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation,...temperature, and under the normal conditions of climate." He also describes wood partially converted into bitumen, which last when removed by solution leaves... | |
 | 1861 - 534 페이지
...special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation,...temperature, and under the normal conditions of climate." He also describes wood partially converted into bitumen, which last when removed by solution leaves... | |
 | 1862 - 606 페이지
...special mineralization, producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation,...temperature, and under the normal conditions of climate." He also describes wood partially converted into bitumen, which last, when removed by solution, leaves... | |
 | 1862 - 448 페이지
...special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation,...temperature, and under the normal conditions of climate." He also describes wood partially converted into bitumen, which last, when removed by solution, leaves... | |
 | 1862 - 446 페이지
...special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation,...temperature, and under the normal conditions of climate." He also describes wood partially converted into bitumen, which last, when removed by solution, leaves... | |
 | 1862 - 476 페이지
...mineralization producing a bituminous matter instead of coal or lignite. This operation is not attribntable to heat, nor of the nature of a distillation, but...temperature, and under the normal conditions of climate." He also describes wood partially converted into bitumen, which last, when removed by solution, leaves... | |
 | Geological Society of Glasgow - 1874 - 392 페이지
...bituminous matter has proceeded from vegetable remains which have undergone a special mineralisation, not attributable to heat, nor of the nature of a distillation, but due to chemical reaction at the ordinary temperature, and under normal conditions of climate. The author... | |
 | United States. Congress. House - 1863 - 734 페이지
...undergone "a special mineralization, producing a bituminous matter instead of coal or lignite, and not attributable to heat, nor of the nature of a distillation, but due to chemical reaction at the ordinary temperature and under the normal conditions of climate." He... | |
 | Henry Woodward - 1866 - 652 페이지
...defective ; for though that writer implies that the beds of vegetable matter undergoing conversion by chemical reactions, at the ordinary temperature, and under the normal conditions of climate, become a solid bitumen identical with the fluid of the " pitch-lake," yet, we fail, on referring to... | |
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a special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation, but is due to chemical reactions at the ordinary temperature, and under the normal conditions... 
