Scenery, Science and Art: Being Extracts from the Note-book of a Geologist and Mining EngineerJ. Van Voorst, 1854 - 323 páginas |
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Página 3
... nearly east and west , and reaching from the terminus of the Brest and Nantes Canal , where it enters the Erdre a few miles north of Nantes , to Chalonne , not far from Angers on the Loire , a total distance of about sixty - five miles ...
... nearly east and west , and reaching from the terminus of the Brest and Nantes Canal , where it enters the Erdre a few miles north of Nantes , to Chalonne , not far from Angers on the Loire , a total distance of about sixty - five miles ...
Página 6
... nearly east and west . The coal itself is worked on two of these , between which is a swampy bit hardly deserving the name of a valley . A good many high chimneys belonging to little steam - engines now neglected , dispute the title of ...
... nearly east and west . The coal itself is worked on two of these , between which is a swampy bit hardly deserving the name of a valley . A good many high chimneys belonging to little steam - engines now neglected , dispute the title of ...
Página 17
... nearly 3s . per ton . The cost of the coke properly made from washed coal would not be less than 7s . per ton . The concessions brought under my notice include almost the whole of the field from Rodez to Laissac , a distance of between ...
... nearly 3s . per ton . The cost of the coke properly made from washed coal would not be less than 7s . per ton . The concessions brought under my notice include almost the whole of the field from Rodez to Laissac , a distance of between ...
Página 18
... nearly , if not quite , supplied , and the market would hardly admit of any addition to the quantity without a reduction of price , nor even then to any great extent , unless the means of communication are improved . The one great ...
... nearly , if not quite , supplied , and the market would hardly admit of any addition to the quantity without a reduction of price , nor even then to any great extent , unless the means of communication are improved . The one great ...
Página 20
... nearly neglected . Till within a few years these veins were almost unapproachable , owing to the total absence of roads , except between the principal towns . Excellent cross - roads now traverse the country in every direction , and the ...
... nearly neglected . Till within a few years these veins were almost unapproachable , owing to the total absence of roads , except between the principal towns . Excellent cross - roads now traverse the country in every direction , and the ...
Outras edições - Ver tudo
Scenery, Science and Art: Being Extracts from the Note-book of a Geologist ... David Thomas Ansted Visualização integral - 1854 |
Scenery, Science and Art: Being Extracts from the Note-book of a Geologist ... David Thomas Ansted Visualização integral - 1854 |
Scenery, Science and Art: Being Extracts from the Note-book of a Geologist ... David Thomas Ansted Visualização integral - 1854 |
Palavras e frases frequentes
abundant Algiers Alpujarras Amposta appears Aubin Aveyron bands basalt beauty beds Berja Cagliari chain character Cheliff Cherchel chiefly Chiffa coal coal-field coast coloured commenced considerable consists constructed copper crossing cultivated Délémont deposits distance district east Ebro elevation entering exist extending extremely feet France French gorge gossan granite ground hills houses inhabitants interesting interior island Kanawha kind labour land less limestone lode lofty Madrid Mediterranean miles mineral mines Moorish mountains Mouzäia natural nearly numerous obtained occasionally occupied Ohio oolite passing peculiar picturesque Pittsburg plains Porrentruy present principal Pyrenees pyrites quantity quartz range reached remarkable rich ridge rising river road rocks Rodez Roman Sahel sandstone Sardinia scenery schists seams seen shales side Sierra Nevada soon Spain Spanish stream surface Tarragona Tenez tertiary thickness tion town tract traveller valley various vegetation veins village walls whole
Passagens conhecidas
Página 292 - The ore in both cases is an auriferous pyrites, occurring in a whitish or white schist. The vein is worked at a depth of 90 feet or thereabouts, but has been proved to 160, and remains uniform. It yields about 6 dwts.