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Books Bücher 1 - 10 von 12 in Gash veins may cross the strata at any angle ; but are limited to one particular...
" Gash veins may cross the strata 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 or... "
The Mining and Statistic Magazine: Devoted to Mines, Mining Operations ... - Seite 97
1860
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The Metallic Wealth of the United States: Described and Compared with that ...

Josiah Dwight Whitney - 1854 - 510 Seiten
...has been filled more or less perfectly with mineral substances ; or, in other words, an aggregation of mineral matter, accompanied by metalliferous ores,...which had its origin in some deep-seated cause, and may be presumed to extend for an indefinite distance downwards. True veins are almost universally admitted...
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Mining Magazine: Devoted to Mines, Mining Operations, Metallurgy & C

1860
...eruptive masses of ore, as for instance, the iron mountains of Lake Superior and Missouri ; stockwerk deposits, or bodies of rock impregnated over an irregular...connected with extensive movements of the earth's cruet, and for this reason they are believed to extend indefinitely downwards ; an assumption which...
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A Preliminary Report on the Geology of New Brunswick: Together with a ...

Henry Youle Hind - 1865 - 293 Seiten
...parallel with the stratification, and not to he depended on in depth. Gash-veins may cross the formation at any angle, but are limited to one particular group...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...
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The Mines of Colorado

Ovando James Hollister - 1867 - 450 Seiten
...has been filled more or less perfectly with mineral substances ; or, in other words, an aggregation of mineral matter, accompanied by metalliferous ores,...which had its origin in some deep-seated cause, and may be presumed to extend for an indefinite distance downwards. True veins sometimes attain a length...
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The Mineral Resources of the United States: And the Importance and Necessity ...

Adolph Sutro - 1868 - 232 Seiten
...which has been filled more or less perfectly with mineral snbstances, or in other words, an aggregation of mineral matter, accompanied by metalliferous ores,...which had its origin in some deep-seated cause, and may be presumed to extend for an indefinite distance downwards." According to the theory accepted by...
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Reports of Progress, Bände 1-2

Kentucky Geological Survey (1873-1891) - 1877
...have, to some certain extent, been filled with minerals or ores; "or, in other words, an aggregation of mineral matter, accompanied by metalliferous ores,...which had its origin in some deep-seated cause, and may be presumed to extend for an indefinite distance downwards. "True veins are almost universally...
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Reports of Cases Argued and Determined in the Supreme Court of the ..., Band 1

Arizona. Supreme Court - 1884
...has been filled, more or less perfectly, with mineral substance; or, in other words, an aggregation of mineral matter, accompanied by metalliferous ores,...which had its origin in some deepseated cause, and may be presumed to extend for an indefinite distance downward." Whitney's Metallic Wealth of the United...
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Transactions, Band 23

American Institute of Mining, Metallurgical, and Petroleum Engineers - 1894
...stratification and not to be depended on in depth. Gash-veins may cross the formation at any angle, but are peculiar to the unaltered sedimentary rocks. True...presumed to extend for an indefinite distance downwards." Somewhat different is the classification of R. Pumpelly,t who distinguishes: I. Surf ace- deposits...
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The genesis of ore deposits

František Pošepný - 1902 - 806 Seiten
...stratilication and not to be depended on in depth. Gash-veins may cross the formation at any angle, but are peculiar to the unaltered sedimentary rocks. True...metalliferous ores, within a crevice or fissure, which hiul its origin in some deep-seated cause, and which may he presumed to extend for an indefinite distance...
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The genesis of ore deposits

Franz Pošepń, Rossiter Worthington Raymond - 1902 - 806 Seiten
...stratification and not to be depended on in depth. Gash-veins may cross the formation at any angle, but are peculiar to the unaltered sedimentary rocks. True...by metalliferous ores, within a crevice or fissure, * Ileport of a Geological Surveg of the Mississippi Jjead Region, Albany, 1868, p. 224, and The Metallic...
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