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 xxiii
... of the prolonged action of external cold upon infil- trated water . I believe , however , that these appearances are confined to the neighbourhood of the surface and sides of glaciers . the softened ice under pressure still appears to me ...
... of the prolonged action of external cold upon infil- trated water . I believe , however , that these appearances are confined to the neighbourhood of the surface and sides of glaciers . the softened ice under pressure still appears to me ...
Página 4
... side to side across the spacious glacier of the Finster Aar . During the whole of our subsequent residence amongst the glaciers , the phenomena and causes of this structure occupied our thoughts very frequently . We had much difficulty ...
... side to side across the spacious glacier of the Finster Aar . During the whole of our subsequent residence amongst the glaciers , the phenomena and causes of this structure occupied our thoughts very frequently . We had much difficulty ...
Página 5
... side , but frequently with a shift or dislocation , or series of parallel fissures , presenting sometimes a series of dis- locations advancing in one direction . The course of the veined structure was , generally speaking , on the ...
... side , but frequently with a shift or dislocation , or series of parallel fissures , presenting sometimes a series of dis- locations advancing in one direction . The course of the veined structure was , generally speaking , on the ...
Página 6
... sides or walls of the glacier , at its lower extremity , the veins have their plane twisted round a vertical axis , having now their dip towards the centre of the glacier , and rising against the walls ; and this inclination sometimes ...
... sides or walls of the glacier , at its lower extremity , the veins have their plane twisted round a vertical axis , having now their dip towards the centre of the glacier , and rising against the walls ; and this inclination sometimes ...
Página 16
... sides of the ice - stream . In the lower and faster - moving part of the glacier , this disproportion is greatest , varying from one - third to one - half of the smaller velocity . Near the origin of the glacier it appears to be one ...
... sides of the ice - stream . In the lower and faster - moving part of the glacier , this disproportion is greatest , varying from one - third to one - half of the smaller velocity . Near the origin of the glacier it appears to be one ...
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Términos y frases comunes
Alps analogy angle annual motion appears Arveiron August Balmat bands Bishop of Annecy breadth cause centre continuity convex Courmayeur crevasses curve curved bands daily motion direction dirt-bands Edinburgh Elie de Beaumont Etna evidence experiment fact feet fissures fluid fluidity friction frontal dip Glace of Chamouni Glacier des Bois glacier motion glacier moves glacier of Bossons Grindelwald hydrostatic hydrostatic pressure inches inclination July lava stream less Letter on Glaciers longitudinal lower marked mass Mean daily motion measurement Mer de Glace millimetres Mont Blanc Montanvert moraine motion of glaciers movement nearly névé observations origin parallel particles Philosophical Journal plastic Plate portion pressure produce resistance retardation rock Saussure Saussure's theory season sides sliding slope snow solid station summer surface temperature thawing theodolite theory of glaciers tion transverse Travels Trelaporte valley veined structure velocity vertical Vesuvius viscous theory volume weather whilst winter