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
... longitudinal fissures in question shows that no lateral pressure was exerted sufficient to bring their bounding surfaces into contact , and that they could not have been filled with pellucid ice by any process short of the prolonged ...
... longitudinal fissures in question shows that no lateral pressure was exerted sufficient to bring their bounding surfaces into contact , and that they could not have been filled with pellucid ice by any process short of the prolonged ...
Página 5
... longitudinal , and leaning forwards in the direction in which the glacier moves at a very considerable angle . The ice in this part of the glacier is distinctly granular , being composed of large fissured morsels , nicely wedged ...
... longitudinal , and leaning forwards in the direction in which the glacier moves at a very considerable angle . The ice in this part of the glacier is distinctly granular , being composed of large fissured morsels , nicely wedged ...
Página 6
... longitudinal . As the glacier , by its weight , falls over the lower part of its bed , and moulds itself into the form which the continued action of gravity on its somewhat plastic structure impresses , the longitudinal structure is ...
... longitudinal . As the glacier , by its weight , falls over the lower part of its bed , and moulds itself into the form which the continued action of gravity on its somewhat plastic structure impresses , the longitudinal structure is ...
Página 11
... longitudinal motion of a point on the Mer de Glace during four consecutive days . 15.2 inches . 16.3 inches . 17.5 inches . 17.4 inches . 2d . This motion , evidently incompatible with sudden starts , takes place in the glacier as a ...
... longitudinal motion of a point on the Mer de Glace during four consecutive days . 15.2 inches . 16.3 inches . 17.5 inches . 17.4 inches . 2d . This motion , evidently incompatible with sudden starts , takes place in the glacier as a ...
Página 47
... longitudinal striæ . " La plupart des coulées pre- sentent des bandes longitudinales assez paralléles entre elles ; ces larges stries sail- lantes sur la surface sont les traces du mouvement de la lave qui ne s'avance pas d'une seule ...
... longitudinal striæ . " La plupart des coulées pre- sentent des bandes longitudinales assez paralléles entre elles ; ces larges stries sail- lantes sur la surface sont les traces du mouvement de la lave qui ne s'avance pas d'une seule ...
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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