Economic Geology: Or, Geology in Its Relations to the Arts and ManufacturesW. Blackwood and sons, 1874 - 336 páginas |
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Página xi
... LIGHT PRODUCING MATERIALS , 156 156 I. FOSSIL FUELS , Peat and Prepared Peat - Fuels . Lignites and Brown - Coals . Bituminous Coals - Varieties of . Anthracites or Non - bituminous Coals . Petroleum , Crude Oils , Coal - Gas , & c ...
... LIGHT PRODUCING MATERIALS , 156 156 I. FOSSIL FUELS , Peat and Prepared Peat - Fuels . Lignites and Brown - Coals . Bituminous Coals - Varieties of . Anthracites or Non - bituminous Coals . Petroleum , Crude Oils , Coal - Gas , & c ...
Página 2
... light , fabricating machinery , laying railways , building steam - ships , and stretching telegraphic cables , the raw materials of which he obtains , and obtains alone , from the rocky crust . In this way a knowledge of the composition ...
... light , fabricating machinery , laying railways , building steam - ships , and stretching telegraphic cables , the raw materials of which he obtains , and obtains alone , from the rocky crust . In this way a knowledge of the composition ...
Página 5
... lights ; our millstones , grindstones , and whetstones ; our salts and saline earths ; our gems and precious stones . In fine , there are few of the arts and manufactures which do not less or more depend on the mineral and metallic ...
... lights ; our millstones , grindstones , and whetstones ; our salts and saline earths ; our gems and precious stones . In fine , there are few of the arts and manufactures which do not less or more depend on the mineral and metallic ...
Página 22
... light and cellular , with silky - fibrous texture , as pumice . Scoria , lapilli , bombs , dust , sand , & c . , are the familiar names for the loose and fragmentary ejections . ( The Metallic Group . ) The metals are found either ...
... light and cellular , with silky - fibrous texture , as pumice . Scoria , lapilli , bombs , dust , sand , & c . , are the familiar names for the loose and fragmentary ejections . ( The Metallic Group . ) The metals are found either ...
Página 33
... light loams , loams , clayey loams , heavy or retentive clays , marls , calcareous loams , peaty soils , or bog - earths . This classification has reference chiefly to composition and texture , a special chemical composition ( silicious ...
... light loams , loams , clayey loams , heavy or retentive clays , marls , calcareous loams , peaty soils , or bog - earths . This classification has reference chiefly to composition and texture , a special chemical composition ( silicious ...
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