Economic Geology: Or, Geology in Its Relations to the Arts and ManufacturesW. Blackwood and sons, 1874 - 336 páginas |
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Página ix
... SURFACE OR AGRICULTURAL VALUE , Modes of Estimating . The Landscape . - Surface Amenity . 2. MINERAL OR GEOLOGICAL VALUE , Modes of Determining . PAGE I 8 8 ∞ ∞ 23 32 33333 41 50 51 3 53 V. GEOLOGY AND ARCHITECTURE - PART I. , 1.
... SURFACE OR AGRICULTURAL VALUE , Modes of Estimating . The Landscape . - Surface Amenity . 2. MINERAL OR GEOLOGICAL VALUE , Modes of Determining . PAGE I 8 8 ∞ ∞ 23 32 33333 41 50 51 3 53 V. GEOLOGY AND ARCHITECTURE - PART I. , 1.
Página xi
... Surface - Wells . Deep Wells and Artesian Borings . Lakes and Reservoirs . Embankments , Tunnels , and Aqueducts . Waste Water - Drains and Sewers . VIII . GEOLOGY AND MINE ENGINEERING , 1. QUARRYING OR OPEN - WORKING , Stratified ...
... Surface - Wells . Deep Wells and Artesian Borings . Lakes and Reservoirs . Embankments , Tunnels , and Aqueducts . Waste Water - Drains and Sewers . VIII . GEOLOGY AND MINE ENGINEERING , 1. QUARRYING OR OPEN - WORKING , Stratified ...
Página 3
... surface capabilities and of its mineral stores , and this cannot be done with any degree of satisfaction without appealing to the mineral surveyor as well as to the mere agriculturist . No estate agent is worthy of the name who is ...
... surface capabilities and of its mineral stores , and this cannot be done with any degree of satisfaction without appealing to the mineral surveyor as well as to the mere agriculturist . No estate agent is worthy of the name who is ...
Página 10
... surface its outcrop or basset - edge ; and a line at right angles to the dip its strike or stretch across the country - this strike being always at right angles to the dip , and vice versa . Melted and erupted by vulcanic heat from ...
... surface its outcrop or basset - edge ; and a line at right angles to the dip its strike or stretch across the country - this strike being always at right angles to the dip , and vice versa . Melted and erupted by vulcanic heat from ...
Página 11
... surface ; and the internal texture , laid open by the hammer , as its fresh - fracture . The fresh - fracture of a rock may give no indication how it will be affected by exposure to the weather ; the weathered surface , on the other ...
... surface ; and the internal texture , laid open by the hammer , as its fresh - fracture . The fresh - fracture of a rock may give no indication how it will be affected by exposure to the weather ; the weathered surface , on the other ...
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
abundance admixture agricultural alumina amount antimony arsenic arts and manufactures basalts beds bismuth bituminous blocks Britain calcareous carbonate carbonic acid Carboniferous cements chalk chemical chiefly chloride clay clayey coal colour compact composition consists containing copper crust crystalline crystals deposits districts durable earth employed engineer felspar fire-clays formations geologist Geology gold granites gravels Greensand greenstones grits gypsum hard heat hence hornblende igneous ingredients iron ironstones known largely lignites lime limestones lustre magnesia manganese manures marbles marls masses material metamorphic mineral and metallic mortar nature obtained occasionally occur Oolite ornamental oxide peat phosphate pigments polish 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 stones strata stratified structure subsoils substances sulphate sulphide sulphuric acid surface tellurium tertiary texture thickness tion tons usually varieties various vary veins volcanic yield zinc