 Gash-veins may cross the formation at any angle, but are limited to one particular group of strata, and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores, within a crevice...  The Mines of Colorado - Seite 49von Ovando James Hollister - 1867 - 450 SeitenVollansicht - Über dieses Buch
 | Iowa Geological Survey, James Hall, Josiah Dwight Whitney - 1858 - 526 Seiten
...particular group of strata, and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores,...which had its origin in some deep-seated cause, and which may be presumed to extend for an indefinite distance downwards. True veins are almost universally... | |
 | 1860 - 542 Seiten
...particular group of strata, and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores,...which had its origin in some deepseated cause, and which may be presumed to extend for an indefinite distance downwards. True veins are almost universally... | |
 | 1860 - 536 Seiten
...particular group of strata, and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores,...which had its origin in some deepseated cause, and which may be presumed to extend for an indefinite distance downwards. True veins are almost universally... | |
 | Josiah Dwight Whitney - 1862 - 390 Seiten
...particular group of strata, and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores,...which had its origin in some deep-seated cause, and which may be presumed to extend for an indefinite distance downwards. True veins are almost universally... | |
 | James Hall, J. D. Whitney - 1862 - 526 Seiten
...particular group of strata, and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores,...which had its origin in some deep-seated cause, and which may be presumed to extend for an indefinite distance downwards. True veins are almost universally... | |
 | Wisconsin. Commissioners of the Geological, Mineralogical, and Agricultural Survey - 1862 - 516 Seiten
...particular group of strata, and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores,...which had its origin in some deep-seated cause, and which may be presumed to extend for an indefinite distance downwards. True veins are almost universally... | |
 | Henry Youle Hind - 1865 - 302 Seiten
...particular group of strata and are peculiar to the unaltered sedimentary rocks. True veins are aggregations of mineral matter, accompanied by metalliferous ores,...a crevice or fissure, which had its origin in some deep seated cause, and which may be presumed to extend for an indefinite distance downwards."* True... | |
 | Adolph Sutro - 1868 - 256 Seiten
...of indefinite length or depth, which has been filled more or less perfectly with mineral snbstances, or in other words, an aggregation of mineral matter,...presumed to extend for an indefinite distance downwards." According to the theory accepted by geologists generally, the fissure wag made by some internal convulsion,... | |
 | Arizona. Supreme Court, F. P. Dann, Ernest William Lewis, James R. Dunseath - 1884 - 542 Seiten
...indefinite length or depth, which has been filled, more or less perfectly, with mineral substance; or, in other words, an aggregation of mineral matter,...may be presumed to extend for an indefinite distance downward." Whitney's Metallic Wealth of the United States, 49; see also page 54. "Veins are narrow... | |
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