 | American Philosophical Society - 1869 - 664 páginas
...derived from terrestrial vegetation but may have been formed from marine plants or animals ; the latter is not surprising when we consider that a considerable...destitute of nitrogen and very similar in chemical constitution to the woody fibre of plants.*" This opinion is further strengthened and confirmed when... | |
 | United States. Department of Agriculture - 1862 - 698 páginas
...and give rise to petroleum springe, although no fossil land plant has been found in them. The fact that a considerable portion of the tissues of the...chemical composition to the woody fibre of plants, forms another link in the chain of reasoning on this distinction between bituminous and lignitic rocks.... | |
 | 1862 - 606 páginas
...derived from terrestrial vegetation, but may have been formed from marine plants or animals : the latter is not surprising when we consider that a considerable...distillation at a high temperature yield, besides inflammable gases, a portion of oil not unlike in its characters to petroleum. These are, in fact, argillaceous... | |
 | 1862 - 448 páginas
...derived from terrestrial vegetation, but may have been formed from marine plants and animals ; the latter is not surprising when we consider that a considerable...distillation at a high temperature yield, besides inflammable gases, a portion of oil not unlike in its characters to petroleum. These are in fact argillaceous rocks... | |
 | 1862 - 476 páginas
...derived from terrestrial vegetation, but may have been formed from marine plants and animals ; the latter is not surprising when we consider that a considerable...distillation at a high temperature yield, besides inflammable gases, a portion of oil not unlike in its characters to petroleum. These are in fact argillaceous rocks... | |
 | 1862 - 448 páginas
...derived from terrestrial vegetation, but may have been formed from marine plants and animals ; the latter is not surprising when we consider that a considerable...distillation at a high temperature yield, besides inflammable gases, a portion of oil not unlike in its characters to petroleum. These are in fact argillaceous rocks... | |
 | 1862 - 446 páginas
...derived from terrestrial vegetation, but may have been formed from marine plants and animals ; the latter is not surprising when we consider that a considerable...called bituminous shales, which, when heated, burn with name, and by distillation at a high temperature yield, besides inflammable gases, a portion of oil... | |
 | United States. Congress. House - 1863 - 734 páginas
...and give rise to petroleum springs, although no fossil land plant baa been found in them. The fact that a considerable portion of the tissues of the...chemical composition to the woody fibre of plants, forms another link in the chain of reasoning on this distinction between bituminous and lignitic rocks.... | |
 | 1865 - 458 páginas
...derived from terrestrial vegetation, but may have been formed from marine plants and animals ; the latter is not surprising when we consider that a considerable...distillation at a high temperature yield, besides inflammable gases, a portion of oil not unlike in its characters to petroleum. These are in fact argillaceous rocks... | |
 | American Philosophical Society - 1869 - 634 páginas
...derived from terrestrial vegetation but may have been formed from marine plants or animals ; the latter is not surprising when we consider that a considerable...destitute of nitrogen and very similar in chemical constitution to the woody fibre of plants.*" This opinion is further strengthened and confirmed when... | |
| |
... animals ; the latter is not surprising when we consider that a considerable portion of the tissues of the lower marine animals is destitute of nitrogen, and very similar in chemical composition to the woody fibre of plants. 
