Economic Geology: Or, Geology in Its Relations to the Arts and ManufacturesW. Blackwood and sons, 1874 - 336 páginas |
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Página vii
... engineer , manufactur- ing chemist , and others who have to deal with minerals and metals ; and at the same time may not be devoid of interest to the general reader . The field of industrial requirements is yearly extending , and there ...
... engineer , manufactur- ing chemist , and others who have to deal with minerals and metals ; and at the same time may not be devoid of interest to the general reader . The field of industrial requirements is yearly extending , and there ...
Página x
... ENGINEERING , I. ROAD - MAKING , Choice of Route and Gradients . Cuttings through different Rock - Formations . Embankments and Bridges . 5558 59 78 89 89 95 98 105 106 Materials for Highways , Streets , and Footpaths . 2. RAILWAY ...
... ENGINEERING , I. ROAD - MAKING , Choice of Route and Gradients . Cuttings through different Rock - Formations . Embankments and Bridges . 5558 59 78 89 89 95 98 105 106 Materials for Highways , Streets , and Footpaths . 2. RAILWAY ...
Página xi
... ENGINEERING , I. QUARRYING OR OPEN - WORKING , Stratified Quarries - Modes of Working . Unstratified Quarries- 2. MINING IN STRATIFIED DEPOSITS , " 9 121 · 130 131 136 Preliminary Surveys . Sinking or Shafting . Winning the Stratum ...
... ENGINEERING , I. QUARRYING OR OPEN - WORKING , Stratified Quarries - Modes of Working . Unstratified Quarries- 2. MINING IN STRATIFIED DEPOSITS , " 9 121 · 130 131 136 Preliminary Surveys . Sinking or Shafting . Winning the Stratum ...
Página 2
... engineer , the mining engineer , and the manufacturing chemist , this prac- tical aspect of Geology is of universal importance . Man cannot make progress in civilisation without drawing from the mineral and metallic stores of the ...
... engineer , the mining engineer , and the manufacturing chemist , this prac- tical aspect of Geology is of universal importance . Man cannot make progress in civilisation without drawing from the mineral and metallic stores of the ...
Página 4
... engineering works have been executed at so much cost and with so little pecuniary satisfaction to their proprietors . Once more , and we come to the mining engineer — whether working among stratified rocks for such products as coal ...
... engineering works have been executed at so much cost and with so little pecuniary satisfaction to their proprietors . Once more , and we come to the mining engineer — whether working among stratified rocks for such products as coal ...
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Economic Geology: Or, Geology in Its Relations to the Arts and Manufactures David Page Visualização integral - 1874 |
Economic Geology: Or, Geology in Its Relations to the Arts and Manufactures David Page Visualização integral - 1874 |
Economic Geology: Or, Geology in Its Relations to the Arts and Manufactures David Page Visualização integral - 1874 |
Palavras e frases frequentes
abundant admixture agricultural alumina amount antimony arsenic artificial arts and manufactures basalts beds bismuth bituminous blocks borax Britain calcareous carbonate carbonic acid Carboniferous cements chalk chemical chiefly chloride clay coal colour compact composition consists containing copper crust crystalline crystals deposits Derbyshire districts durable earth employed engineer extensively felspar fire-clay formations gems geologist Geology gold granites greenstones grits gypsum hard heat hence hydraulic ingredients iron ironstones known lignites lime limestones lustre magnesia manganese manures marbles masses material metamorphic mineral and metallic mortar nature obtained occasionally occur Oolite ornamental oxide peat pigments polishing porphyries potash preparation purposes pyrites quarries quartz require rocks saline salts sand sandstones schists serpentines shales silica Silurian silver soda sodium soft soils specific gravity springs stones strata stratified structure substances sulphate sulphide sulphuric acid surface tertiary texture thickness tints tion tons usually varieties various vary veins volcanic yellow yield zinc