Economic Geology: Or, Geology in Its Relations to the Arts and ManufacturesW. Blackwood and sons, 1874 - 336 páginas |
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Página xv
... MASSES , 9 DYKES , FAULTS , VEINS , IO CUTTING THRough Boulder - Clay , 112 ARTESIAN WELLS IN SYNCLINAL STRATA , DYKE AND DEEP - WELL BORINGS , 124 126 • BENCH OR STAGE WORKING , POST - AND - STALL WORK , LONG - WALL WORK , 132 139 140 ...
... MASSES , 9 DYKES , FAULTS , VEINS , IO CUTTING THRough Boulder - Clay , 112 ARTESIAN WELLS IN SYNCLINAL STRATA , DYKE AND DEEP - WELL BORINGS , 124 126 • BENCH OR STAGE WORKING , POST - AND - STALL WORK , LONG - WALL WORK , 132 139 140 ...
Página 8
... fire . In the accompanying illustration , the " Castle Rock " of Edinburgh is a truly eruptive or unstratified mass breaking through the sedimentary or stratified sandstones and shales which are tilted up , and slope away from the.
... fire . In the accompanying illustration , the " Castle Rock " of Edinburgh is a truly eruptive or unstratified mass breaking through the sedimentary or stratified sandstones and shales which are tilted up , and slope away from the.
Página 9
... masses of conglomerate and breccia on the one hand , and curious sheet - like overflows and stratiform ash - beds on the other . At the present day , stratified rocks are being laid down in all lakes , estuaries , and seas , and ...
... masses of conglomerate and breccia on the one hand , and curious sheet - like overflows and stratiform ash - beds on the other . At the present day , stratified rocks are being laid down in all lakes , estuaries , and seas , and ...
Página 11
... masses , and as regards their relations to the strata through which they pass are spoken of as disrupting , or breaking through ; overlying , having flowed over ; interstratified , having flowed over and been subsequently covered by ...
... masses , and as regards their relations to the strata through which they pass are spoken of as disrupting , or breaking through ; overlying , having flowed over ; interstratified , having flowed over and been subsequently covered by ...
Página 13
... masses ; whether horizontal , inclined , bent , or contorted ; whether in dykes , veins , or lodes ; whether bedded , tabular , or columnar in structure , or earthy , granular , or crystalline in texture , all rocks may be viewed as ...
... masses ; whether horizontal , inclined , bent , or contorted ; whether in dykes , veins , or lodes ; whether bedded , tabular , or columnar in structure , or earthy , granular , or crystalline in texture , all rocks may be viewed as ...
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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