The Geological ObserverLongman, Brown, Green, and Longmans, 1853 - 740 стор. |
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Сторінка 7
... remark on the composition of organic re- mains . It may , however , be noticed that the bones and teeth of fish , reptiles , birds , and mammalia have been often secured from removal by their composition , and that into the cavities ...
... remark on the composition of organic re- mains . It may , however , be noticed that the bones and teeth of fish , reptiles , birds , and mammalia have been often secured from removal by their composition , and that into the cavities ...
Сторінка 91
... mud are at present strewed , and which may here and there be still uncovered . In many a situation , a minor area , planed down by the action of Fig . 66 . It is worthy of remark ,. CH . VI . ] 16 SEDIMENT IN TIDAL SEAS . 91.
... mud are at present strewed , and which may here and there be still uncovered . In many a situation , a minor area , planed down by the action of Fig . 66 . It is worthy of remark ,. CH . VI . ] 16 SEDIMENT IN TIDAL SEAS . 91.
Сторінка 92
Henry Thomas De La Beche. Fig . 66 . It is worthy of remark , that if , instead of the line of 100 fathoms beneath the sea , that of 200 fathoms had been selected , the second line would not have extended far beyond the first , the slope ...
Henry Thomas De La Beche. Fig . 66 . It is worthy of remark , that if , instead of the line of 100 fathoms beneath the sea , that of 200 fathoms had been selected , the second line would not have extended far beyond the first , the slope ...
Сторінка 98
... remark , that the temperature of 39.5 is about that assigned , from experiments , to pure water . It may be here ob- served that the water beneath 90 fathoms in the Lake of Geneva was found , both after a warm summer and a severe winter ...
... remark , that the temperature of 39.5 is about that assigned , from experiments , to pure water . It may be here ob- served that the water beneath 90 fathoms in the Lake of Geneva was found , both after a warm summer and a severe winter ...
Сторінка 109
... remarks , that marine , like terrestrial plants , constantly require and take away carbonic acid from the waters around them , so that the quan- tity necessary to keep any carbonate of lime in solution , and which may find its way into ...
... remarks , that marine , like terrestrial plants , constantly require and take away carbonic acid from the waters around them , so that the quan- tity necessary to keep any carbonate of lime in solution , and which may find its way into ...
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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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Сторінка 742 - Encyclopaedia of Rural Sports; or, a complete Account, Historical, Practical, and Descriptive, of Hunting, Shooting, Fishing, Racing, and other Field Sports and Athletic Amusements of the present day.