The Geological ObserverLongman, Brown, Green, and Longmans, 1853 - 740 стор. |
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Сторінка 17
... noticed , as regards such substances . We do not , therefore , learn from them the kind of loss any particular rock may sustain from this cause , though they may be useful in showing the solutions delivered from the fissures . Let f in ...
... noticed , as regards such substances . We do not , therefore , learn from them the kind of loss any particular rock may sustain from this cause , though they may be useful in showing the solutions delivered from the fissures . Let f in ...
Сторінка 20
... noticed are thrown out in lines , marking those of the coal beds , the waters percolating through them being stopped downwards by the under - clays . A system of deposits in which such beds and others of tough shale occur , would ...
... noticed are thrown out in lines , marking those of the coal beds , the waters percolating through them being stopped downwards by the under - clays . A system of deposits in which such beds and others of tough shale occur , would ...
Сторінка 33
... noticed the manner in which rivers are disposed to take serpentine courses in level coun- tries , a fact as easily observed amid the meadows of the flat portions of many valleys , of very limited dimensions , as among the vast bends of ...
... noticed the manner in which rivers are disposed to take serpentine courses in level coun- tries , a fact as easily observed amid the meadows of the flat portions of many valleys , of very limited dimensions , as among the vast bends of ...
Сторінка 43
... noticed , while at the same time it would discharge a body of turbid water into the still waters of the lake . The force of the former is checked by the latter ; and the turbid water , being heavier than that of fresh - water lakes ...
... noticed , while at the same time it would discharge a body of turbid water into the still waters of the lake . The force of the former is checked by the latter ; and the turbid water , being heavier than that of fresh - water lakes ...
Сторінка 45
... noticed will readily present themselves to the attention of an observer ; aud , if he will combine some of them with the chemical deposits previously noticed , and add the harder parts of the animals which have either lived in , or been ...
... noticed will readily present themselves to the attention of an observer ; aud , if he will combine some of them with the chemical deposits previously noticed , and add the harder parts of the animals which have either lived in , or been ...
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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.