The Geological ObserverLongman, Brown, Green, and Longmans, 1853 - 740 стор. |
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Сторінка x
... produced during earthquakes - Transmission of earthquake - waves complicated by different mineral structures - Unequal transmission of earthquakes - Locally extended range of earthquakes - Earthquakes traversing mountain chains ...
... produced during earthquakes - Transmission of earthquake - waves complicated by different mineral structures - Unequal transmission of earthquakes - Locally extended range of earthquakes - Earthquakes traversing mountain chains ...
Сторінка xxvi
... produce modification in the arrangement of the component particles , a confused crystalline adjustment of them being ... produced in beds of statuary marble , as , for example , that of Carrara . We find quartz rocks ( that is , grains ...
... produce modification in the arrangement of the component particles , a confused crystalline adjustment of them being ... produced in beds of statuary marble , as , for example , that of Carrara . We find quartz rocks ( that is , grains ...
Сторінка xxvii
... produced , they are found to constitute a mass of mineral matter of much importance , showing us , in their most crystalline readjusted state , the extremes to which such matter may be modified without the mingling of parts inferred ...
... produced , they are found to constitute a mass of mineral matter of much importance , showing us , in their most crystalline readjusted state , the extremes to which such matter may be modified without the mingling of parts inferred ...
Сторінка 25
... produced , which increases superficially , as shown by the concentric lines at c . If now , attention be directed to the manner in which the grains of sand have been accumulated vertically , it will be found that they have been arranged ...
... produced , which increases superficially , as shown by the concentric lines at c . If now , attention be directed to the manner in which the grains of sand have been accumulated vertically , it will be found that they have been arranged ...
Сторінка 26
... produced which , without the needful evi- dence , would scarcely have been considered probable from ex- amining those produced during the ordinary condition of the same river . From the details given of the effects of great floods , as ...
... produced which , without the needful evi- dence , would scarcely have been considered probable from ex- amining those produced during the ordinary condition of the same river . From the details given of the effects of great floods , as ...
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Загальні терміни та фрази
accumulations acid action alumina amid animals appear ashes beach beds beneath blocks bottom breakers British Islands calcareous carbonate carbonic acid cavities cinders clay cliffs coal coast considerable considered coral reefs Cornwall crater crystals deposits depth detritus district dry land earthquake Edition effected elevated eruption estuary evidence exposed fathoms feet felspar fissures formed fragments geological glaciers granite ground hornblende igneous rocks inferred kind lakes lava lime limestone magnesia manner marine mass mechanical suspension Mendip Hills miles mineral matter mode of occurrence modifications molluscs molten mountain noticed observer occur ocean old red sandstone oolitic organic remains pebbles portions present produced Professor quartz red sandstone regards regions respect rise river sand sea-bottom section fig seen shells shores side silicates Silurian Sir James Ross sometimes species specific gravity streams substances sufficient surface temperature thrown tidal tide tion trachytic traversed various vegetable veins volcanic
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