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 xi
... Vertical Accumulation of Material . XIX . SIXTEENTH LETTER ON GLACIERS . Addressed to PRO- FESSOR JAMESON [ 1850 ] • Observations on the Movement of the Mer de Glace down to 1850 ... Observations by Balmat , at different seasons , in ...
... Vertical Accumulation of Material . XIX . SIXTEENTH LETTER ON GLACIERS . Addressed to PRO- FESSOR JAMESON [ 1850 ] • Observations on the Movement of the Mer de Glace down to 1850 ... Observations by Balmat , at different seasons , in ...
Página xix
... the necessity for allowing this vertical dilatation , by including the ascent of the glacial surface summer . * Fourth Letter on Glaciers ( 1842 ) , p . 34 of this volume . among the direct effects of plasticity . * I considered.
... the necessity for allowing this vertical dilatation , by including the ascent of the glacial surface summer . * Fourth Letter on Glaciers ( 1842 ) , p . 34 of this volume . among the direct effects of plasticity . * I considered.
Página 3
... vertical direction , or rather which , by their apposition , formed the entire mass of the ice . The direction of these bands was parallel to the length of the glacier , and , of course , being vertical , they cropped out at the surface ...
... vertical direction , or rather which , by their apposition , formed the entire mass of the ice . The direction of these bands was parallel to the length of the glacier , and , of course , being vertical , they cropped out at the surface ...
Página 4
... vertical strata or bands perfectly well defined throughout the whole 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 ...
... vertical strata or bands perfectly well defined throughout the whole 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 ...
Página 6
... vertical axis , having now their dip towards the centre of the glacier , and rising against the walls ; and this inclination sometimes extends nearly to the axis of the glacier , or the medial moraine , where I have observed the veins ...
... vertical axis , having now their dip towards the centre of the glacier , and rising against the walls ; and this inclination sometimes extends nearly to the axis of the glacier , or the medial moraine , where I have observed the veins ...
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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