 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 - Page 49by Ovando James Hollister - 1867 - 450 pagesFull view - About this book
 | Iowa Geological Survey, James Hall, Josiah Dwight Whitney - Geology - 1858 - 526 pages
...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 pages
...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 pages
...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 - Geology - 1862 - 390 pages
...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 - Geology - 1862 - 526 pages
...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 - Geology - 1865 - 302 pages
...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 - Comstock Lode - 1868 - 256 pages
...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 - Law reports, digests, etc - 1884 - 542 pages
...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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