Occasional Papers on the Theory of Glaciers Now First Collected and Chronologically Arranged: With a Prefatory Note on the Recent Progress and Present Aspect of the TheoryA. and C. Black, 1859 - 278 páginas |
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Página xx
... particles influenced by time and pressure , and aided by the softening effects of the plentiful affu- sion of water . Next I was disposed to account , at least in part , for the reunion of the surfaces of internal sliding , or the forma ...
... particles influenced by time and pressure , and aided by the softening effects of the plentiful affu- sion of water . Next I was disposed to account , at least in part , for the reunion of the surfaces of internal sliding , or the forma ...
Página 9
... particle in the mass subsequent to deposition . The supposition of Professor Sedgwick , who has minutely described and con- sidered this geological puzzle , that " crystalline or polar forces acted on the whole mass simultaneously in ...
... particle in the mass subsequent to deposition . The supposition of Professor Sedgwick , who has minutely described and con- sidered this geological puzzle , that " crystalline or polar forces acted on the whole mass simultaneously in ...
Página 22
... particles of rock scarcely find a lodgment , the whole is washed clean by every shower . The superficial bands are well seen on the Mer de Glace of Chamouni , and , to quote another example , one of the last I have seen , very admirably ...
... particles of rock scarcely find a lodgment , the whole is washed clean by every shower . The superficial bands are well seen on the Mer de Glace of Chamouni , and , to quote another example , one of the last I have seen , very admirably ...
Página 46
... particles . * III . When , at some distance from the source , the lava became viscid and tenaceous , and forced itself , in streamlets of a pasty consistence , through the interstices of its slag , thence it became streaky and drawn out ...
... particles . * III . When , at some distance from the source , the lava became viscid and tenaceous , and forced itself , in streamlets of a pasty consistence , through the interstices of its slag , thence it became streaky and drawn out ...
Página 47
... particles and leaves a bruise , within which the infiltrated water finally freezes and forms a blue vein . In the lava , on the other hand , where the tenacity is great , the discontinuity , if produced at all , is soldered up by the ...
... particles and leaves a bruise , within which the infiltrated water finally freezes and forms a blue vein . In the lava , on the other hand , where the tenacity is great , the discontinuity , if produced at all , is soldered up by the ...
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Términos y frases comunes
ablation Alps analogy angle annual motion appears Arveiron August Balmat bands Bishop of Annecy Brenva cause centre Col du Géant compact congelation continuity convex Courmayeur crevasses curve curved bands daily motion declivity direction dirt-bands effect Etna evidence experiment fact feet fissures fluid friction frontal dip Glace of Chamouni Glacier des Bois glacier motion glacier moves glacier of Bossons Grindelwald horizontal hydrostatic pressure inches inclination internal July lava stream less Letter on Glaciers longitudinal lower marked mass measurement Mer de Glace millimetres Mont Blanc Montanvert moraine motion of glaciers mud-slide nearly névé observations origin parallel particles plane plastic Plate portion pressure produce remarkable retardation rock Saussure Saussure's season side sliding slope snow solid station summer surface Talefre temperature thawing theodolite theory of glaciers tion transverse Travels valley veined structure velocity vertical Vesuvius viscous theory volume whilst winter wrinkles