Economic Geology: Or, Geology in Its Relations to the Arts and ManufacturesW. Blackwood and sons, 1874 - 336 páginas |
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Página x
... Formations . Embankments and Bridges . 5558 59 78 89 89 95 98 105 106 Materials for Highways , Streets , and Footpaths . 2. RAILWAY CONSTRUCTION , Cuttings and Tunnels through different Rock - For- III Choice of Route , Gradients , and ...
... Formations . Embankments and Bridges . 5558 59 78 89 89 95 98 105 106 Materials for Highways , Streets , and Footpaths . 2. RAILWAY CONSTRUCTION , Cuttings and Tunnels through different Rock - For- III Choice of Route , Gradients , and ...
Página xiv
... Formation Oolitic Formation 99 99 ,, INDEX , Liassic Formation Triassic System Permian System Carboniferous System 99 99 99 Old Red and Devonian and their Silurian and Cambrian 99 Laurentian and Metamorphic Volcanic Rocks Trappean Rocks ...
... Formation Oolitic Formation 99 99 ,, INDEX , Liassic Formation Triassic System Permian System Carboniferous System 99 99 99 Old Red and Devonian and their Silurian and Cambrian 99 Laurentian and Metamorphic Volcanic Rocks Trappean Rocks ...
Página 1
... formations and life - systems according to their composition , relative positions , and fossil contents ; endeavouring to deduce therefrom a connected his- tory of our globe and its successive aspects from the earliest to the most ...
... formations and life - systems according to their composition , relative positions , and fossil contents ; endeavouring to deduce therefrom a connected his- tory of our globe and its successive aspects from the earliest to the most ...
Página 4
... formations . It is true he may obtain information from geological maps and from professional geologists ; but , even with this aid , his work will be executed with feebleness and uncertainty compared with that of one who can ...
... formations . It is true he may obtain information from geological maps and from professional geologists ; but , even with this aid , his work will be executed with feebleness and uncertainty compared with that of one who can ...
Página 6
... formations , to know the general character of the strata of which they are respectively composed , the changes these strata may have undergone , the areas over which they are spread , and the facilities with which any of their products ...
... formations , to know the general character of the strata of which they are respectively composed , the changes these strata may have undergone , the areas over which they are spread , and the facilities with which any of their products ...
Outras edições - Ver tudo
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