Economic Geology: Or, Geology in Its Relations to the Arts and ManufacturesW. Blackwood and sons, 1874 - 336 páginas |
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Página x
... Granites , Syenites , and Porphyries . Basalts , Greenstones , Felstones , & c . Slates , Schists , & c . Sandstones , Grits , Calcareous Freestones , & c . Limestones and Marbles . 2. STONES FOR DECORATION AND SCULPTURE , Granites ...
... Granites , Syenites , and Porphyries . Basalts , Greenstones , Felstones , & c . Slates , Schists , & c . Sandstones , Grits , Calcareous Freestones , & c . Limestones and Marbles . 2. STONES FOR DECORATION AND SCULPTURE , Granites ...
Página xii
... Granites , Lavas . 4. POLISHING AND CUTTING MATERIALS , Tripoli , Rotten - Stone , Bath - Brick , Polishing Pastes . Quartz - Sands - Crushed Sandstones . Pumice , Emery , Garnet - Rock . Diamond - Dust , and Diamond - Points . 5 ...
... Granites , Lavas . 4. POLISHING AND CUTTING MATERIALS , Tripoli , Rotten - Stone , Bath - Brick , Polishing Pastes . Quartz - Sands - Crushed Sandstones . Pumice , Emery , Garnet - Rock . Diamond - Dust , and Diamond - Points . 5 ...
Página 8
... granites . Whatever their mineral character , these rocks are found to occur in two main positions -stratified or bedded , and unstratified or eruptive . Reason- ing from the manner in which rock - matter is deposited at the present day ...
... granites . Whatever their mineral character , these rocks are found to occur in two main positions -stratified or bedded , and unstratified or eruptive . Reason- ing from the manner in which rock - matter is deposited at the present day ...
Página 14
... granites , porphyries , basalts , greenstones , sand- stones , limestones , & c . ; while the known chemical elements amount to sixty - five or sixty - six , some being metallic , as gold , silver , lead - some non - metallic solids and ...
... granites , porphyries , basalts , greenstones , sand- stones , limestones , & c . ; while the known chemical elements amount to sixty - five or sixty - six , some being metallic , as gold , silver , lead - some non - metallic solids and ...
Página 21
... granites are mica . Mica - schist and Mica - slate are schistose or slaty rocks , largely composed of micaceous particles — the former splitting irregularly , the latter with greater flatness and regularity . Hornblende , Hornblende ...
... granites are mica . Mica - schist and Mica - slate are schistose or slaty rocks , largely composed of micaceous particles — the former splitting irregularly , the latter with greater flatness and regularity . Hornblende , Hornblende ...
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