| 1903 - 898 páginas
...natural distillation at relatively low temperatures, and that it has subsequently migrated through the strata to the reservoirs in which it is found. In...distillation at a temperature sufficiently low to leave the inclosing rocks entirely unchanged has not been proved, nor have the residues of carbon which would... | |
| 1906 - 1190 páginas
...natural distillation at relatively low temperatures, and that it has subsequently migrated through the strata to the reservoirs in which it is found. In...carbonaceous shales yield by artificial distillation a larpe quantity of hydrocarbons, both gaseous and liquid, which are indistinguishable from those found... | |
| Charles Willard Hayes, William Kennedy - 1903 - 222 páginas
...natural distillation at relatively low temperatures, and that it has subsequently migrated through the strata to the reservoirs in which it is found. In...distillation at a temperature sufficiently low to leave the inclosing rocks entirely unchanged has not been proved, nor have the residues of carbon which would... | |
| Geological Survey (U.S.) - 1903 - 210 páginas
...natural distillation at relatively low temperatures, and that it has subsequently migrated through the strata to the reservoirs in which it is found. In...distillation at a temperature sufficiently low to leave the inclosing rocks entirely unchanged has not been proved, nor have the residues of carbon which would... | |
| 1914 - 378 páginas
...natural distillation at relatively low temperatures and that it has subsequently migrated through the strata to the reservoirs in which it is found. In...distillation at a temperature sufficiently low to leave the enclosing rocks entirely unchanged has not been proved, nor have the residues of carbon which would... | |
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