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 ix
... Mass of Fragments ... Argument from the Equable Progression of Glaciers ... Formation of Crevasses ... Law of Velocities ... Ablation of the Surface ... Plasticity ; Veined Structure . Addition on the Plasticity of Ice on the Small ...
... Mass of Fragments ... Argument from the Equable Progression of Glaciers ... Formation of Crevasses ... Law of Velocities ... Ablation of the Surface ... Plasticity ; Veined Structure . Addition on the Plasticity of Ice on the Small ...
Página 4
... mass of ice to that depth . An attempt has been made to convey some idea of their appear- ance in Plate I. * Where the plane of vertical section was eroded by the action of water , the harder seams of blue ice stood protuberant ; whilst ...
... mass of ice to that depth . An attempt has been made to convey some idea of their appear- ance in Plate I. * Where the plane of vertical section was eroded by the action of water , the harder seams of blue ice stood protuberant ; whilst ...
Página 6
... mass , that it pours in colossal fragments over the rocky barrier which separates the Gallenstock from the valley of the Rhone , and having reached 1841. ] VEINED STRUCTURE ON THE GLACIER OF THE RHONE 6 STRUCTURE OBSERVED IN THE ICE OF ...
... mass , that it pours in colossal fragments over the rocky barrier which separates the Gallenstock from the valley of the Rhone , and having reached 1841. ] VEINED STRUCTURE ON THE GLACIER OF THE RHONE 6 STRUCTURE OBSERVED IN THE ICE OF ...
Página 7
... mass . The front of the glacier , about E D F , presents the fallacious apearance The Rhone . Moraines cut by the River . of horizontal strata , as in the Aar glacier ; but these are found to dip inwards at an angle of 10 ° or 15 ...
... mass . The front of the glacier , about E D F , presents the fallacious apearance The Rhone . Moraines cut by the River . of horizontal strata , as in the Aar glacier ; but these are found to dip inwards at an angle of 10 ° or 15 ...
Página 8
... mass convinced me that , inexplicable as the fact remains , it must be accounted for in some other way . We have ... mass of the crystallizing rock undergoing metamorphic change , as this pervades the mass of the crystallizing glacier ...
... mass convinced me that , inexplicable as the fact remains , it must be accounted for in some other way . We have ... mass of the crystallizing rock undergoing metamorphic change , as this pervades the mass of the crystallizing glacier ...
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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