Economic Geology: Or, Geology in Its Relations to the Arts and ManufacturesW. Blackwood and sons, 1874 - 336 páginas |
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 alloys alumina amount antimony arsenic artificial arts and manufactures basalts beds bismuth bituminous blocks borax Britain calcareous carbonate carbonic acid Carboniferous cements cent chalk chemical chiefly chloride clay coal colour compact composition consists containing copper crust crystalline deposits Derbyshire districts durable earth embankments employed engineer extensively felspar fire-clay formations geologist Geology gold granites greenstones grits gypsum hard heat hydraulic ingredients iridium iron ironstones known lead lignites lime limestones lustre magnesia manganese manures marbles masses material metal metamorphic mineral mortar nature obtained occasionally occur Oolite ornamental oxide peat pigments polishing porphyries potash powder preparation purposes pyrites quarries quartz require rocks saline salts sand sandstones schists serpentines shales silica Silurian silver soda sodium soft soils specific gravity 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