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 8
... covered occa- sionally with low wood , but more frequently cultivated like a garden . There were pleasant country houses of all dimensions and all varieties of taste on both sides ; with villages not less picturesque than those on the ...
... covered occa- sionally with low wood , but more frequently cultivated like a garden . There were pleasant country houses of all dimensions and all varieties of taste on both sides ; with villages not less picturesque than those on the ...
Página 12
... covering the gneiss to a great thickness , and meet a corresponding spur of oolite from the west . It is thus not only ... covered up by deposits of the secondary period , which contain the valuable supplies of ironstone rendering the ...
... covering the gneiss to a great thickness , and meet a corresponding spur of oolite from the west . It is thus not only ... covered up by deposits of the secondary period , which contain the valuable supplies of ironstone rendering the ...
Página 13
... covered up by jurassic rocks . The coal seams repose on and are associated with pale shales , grey grits , and conglomerates composed of large and very unequal blocks of rolled rock , and seem to occupy an irregular trough . The ...
... covered up by jurassic rocks . The coal seams repose on and are associated with pale shales , grey grits , and conglomerates composed of large and very unequal blocks of rolled rock , and seem to occupy an irregular trough . The ...
Página 15
... covered up with beds of the triassic period , which are soon succeeded by soft red sandstones and oolitic limestones . Near Marcillac , the sandstones contain marls in which a considerable amount of copper has been found , chiefly in ...
... covered up with beds of the triassic period , which are soon succeeded by soft red sandstones and oolitic limestones . Near Marcillac , the sandstones contain marls in which a considerable amount of copper has been found , chiefly in ...
Página 16
... covered up almost immediately , first by new red sandstone rocks of no great thickness , and then by hard cal- careous beds of the liassic period . An extensive and important series of oolitic limestones next succeeds , and ranges for a ...
... covered up almost immediately , first by new red sandstone rocks of no great thickness , and then by hard cal- careous beds of the liassic period . An extensive and important series of oolitic limestones next succeeds , and ranges for 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.