A description of active and extinct volcanos. With remarks on their origin, their chemical phaenomena, and the character of their products, as determined by the condition of the earth during the period of their formation. Being the substance of some lectures delivered before the University of Oxford, with much additional matter / By Charles Daubeny.

  • Daubeny, Charles, 1795-1867.
Date:
1826
Catalogue details

Licence: Public Domain Mark

Credit: A description of active and extinct volcanos. With remarks on their origin, their chemical phaenomena, and the character of their products, as determined by the condition of the earth during the period of their formation. Being the substance of some lectures delivered before the University of Oxford, with much additional matter / By Charles Daubeny. Source: Wellcome Collection.

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    On the Volcanos of Germany. page Post-diluvial Volcanic Rocks of the Eyfel .... . 45 Nature of the Trass near Andernach 58 Antiquity of these products considered 62 Antediluvial Volcanic Rocks. Near the Rhine 65 Westerwald 70 Near Eisenach 71 Near Eschwege 75 Near Cassel 76 Near Frankfort 77 Near Heidelburg 80 In the Brisgaw 81 Near Constance 82 In Wirtemburg, Franconia, &c 83 In Bohemia 84 In Saxony 85 In Silesia 86 In Moravia 87 LECTURE II. ON THE VOLCANIC COUNTRIES VISITED BY THE AUTHOR, IN 1823—24. Volcanic Rocks of Hungary 91 Description of the several varieties of Trachytic Lava 92 And of the Tuffs associated with it 96 Production of Alum in these Rocks explained 97 Synopsis of Trachyte according to Beudant 101 Analogy to certain Rocks in Great Britain 104 Older Porphyries in Hungary considered . 105 Basaltic Lava of Hungary 106