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 9
... narrow canal , is all that remains of the Erdre whose beauty we have been admiring . In point of fact the waters of the little river are kept back , and made to serve the purpose of a reservoir connected with a canal . Above Nort and ...
... narrow canal , is all that remains of the Erdre whose beauty we have been admiring . In point of fact the waters of the little river are kept back , and made to serve the purpose of a reservoir connected with a canal . Above Nort and ...
Página 13
... narrow . It traverses the coal basin , and is drained by a small tributary of the Lot . There are already extensive iron - works and some other manufactories in various parts of the valley and adjacent country , and more must shortly ...
... narrow . It traverses the coal basin , and is drained by a small tributary of the Lot . There are already extensive iron - works and some other manufactories in various parts of the valley and adjacent country , and more must shortly ...
Página 16
... narrow space between them and the river Aveyron . The length of the crop is about six miles from Rodez to Laissac , but the coal reappears near Severac , a distance of about fifteen miles from Rodez , and is supposed to be continuous ...
... narrow space between them and the river Aveyron . The length of the crop is about six miles from Rodez to Laissac , but the coal reappears near Severac , a distance of about fifteen miles from Rodez , and is supposed to be continuous ...
Página 23
... narrow valley , through which runs the ' Ruisseau des Lavadous . ' Standing immediately opposite , the edges of the harder beds of the oolitic rock project in a bold escarpment beyond the surface , and exhibit in a striking manner a ...
... narrow valley , through which runs the ' Ruisseau des Lavadous . ' Standing immediately opposite , the edges of the harder beds of the oolitic rock project in a bold escarpment beyond the surface , and exhibit in a striking manner a ...
Página 25
... narrow plateau , over most parts of which the naked rock is exposed . The same is the case as far as the next ridge , after which limestone beds become more regular and the New Red sandstone deposits appear at the surface . In a ...
... narrow plateau , over most parts of which the naked rock is exposed . The same is the case as far as the next ridge , after which limestone beds become more regular and the New Red sandstone deposits appear at the surface . In a ...
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.