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 viii
... Vesuvius ... Moraines of Lava Streams . Some Objec- tions to the Plastic or Viscous Theory of Glaciers considered ... Verticality of Crevasses accounted for . VIII . SEVENTH LETTER ON GLACIERS . - ON THE VEINED STRUC- ture of the Ice ...
... Vesuvius ... Moraines of Lava Streams . Some Objec- tions to the Plastic or Viscous Theory of Glaciers considered ... Verticality of Crevasses accounted for . VIII . SEVENTH LETTER ON GLACIERS . - ON THE VEINED STRUC- ture of the Ice ...
Página 43
... Vesuvius- Moraines of Lava Streams - Some Objections to the Plastic or Viscous Theory of Glaciers considered - Verticality of Crevasses accounted for . ROME , February 5 , 1844 . My Lord - In a letter which I addressed to you on the ...
... Vesuvius- Moraines of Lava Streams - Some Objections to the Plastic or Viscous Theory of Glaciers considered - Verticality of Crevasses accounted for . ROME , February 5 , 1844 . My Lord - In a letter which I addressed to you on the ...
Página 44
... Vesuvius . On the 30th November , in particular , I descended to the bottom of the crater , in order to examine a current of very liquid lava , fifteen or twenty feet wide , which issued from a cavity near the foot of the small cone ...
... Vesuvius . On the 30th November , in particular , I descended to the bottom of the crater , in order to examine a current of very liquid lava , fifteen or twenty feet wide , which issued from a cavity near the foot of the small cone ...
Página 45
... Vesuvius , the lines of fissure being wwwwwww Mouth wwwwww wwww wwww Fig . 8 . Fissures in the Crust of Lava during Crystallization . marked by the liquid fire shining through . A perfect analogy here exists with the phenomena of ...
... Vesuvius , the lines of fissure being wwwwwww Mouth wwwwww wwww wwww Fig . 8 . Fissures in the Crust of Lava during Crystallization . marked by the liquid fire shining through . A perfect analogy here exists with the phenomena of ...
Página 47
... Vesuvius , is interesting , if it were only as recording his remark , that the variation of velocity in different parts of a stream must produce longitudinal striæ . " La plupart des coulées pre- sentent des bandes longitudinales assez ...
... Vesuvius , is interesting , if it were only as recording his remark , that the variation of velocity in different parts of a stream must produce longitudinal striæ . " La plupart des coulées pre- sentent des bandes longitudinales assez ...
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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