Cosmos: A Sketch of a Physical Description of the Universe, Volume 5H.G. Bohn, 1858 |
From inside the book
Results 1-5 of 82
Page
... ( basalt , phonolite , and some layers of pearl - stone and pumice , seem to owe their appearance above the surface , not to summit - craters , but to the effects of fissures ) . Even the effusions from volcanic summits do not in some ...
... ( basalt , phonolite , and some layers of pearl - stone and pumice , seem to owe their appearance above the surface , not to summit - craters , but to the effects of fissures ) . Even the effusions from volcanic summits do not in some ...
Page 24
... ( basalt , greenstone , diorite , and melaphyre , in opposition to specifically lighter secondary and tertiary formations , ) in the same manner as volcanic islands influence gravity and augment its intensity . Many of the anomalies which ...
... ( basalt , greenstone , diorite , and melaphyre , in opposition to specifically lighter secondary and tertiary formations , ) in the same manner as volcanic islands influence gravity and augment its intensity . Many of the anomalies which ...
Page 32
... basalt , which according to the numerous experiments of Leonhard varies from 2.95 to 3.67 , and more than that of magnetic iron ( 4,9 to 5.2 ) , and not much less than that of the native arsenic of Marienberg or Joachimsthal . We have ...
... basalt , which according to the numerous experiments of Leonhard varies from 2.95 to 3.67 , and more than that of magnetic iron ( 4,9 to 5.2 ) , and not much less than that of the native arsenic of Marienberg or Joachimsthal . We have ...
Page 38
... basaltic trap of Calton Hill at a depth of 24 feet below the surface.38 It would appear 37 Quetelet , in the Bulletin de l'Acad . de Bruxelles , 1836 , p . 75 . 38 Forbes , Exper . on the temperature of the earth at different depths ...
... basaltic trap of Calton Hill at a depth of 24 feet below the surface.38 It would appear 37 Quetelet , in the Bulletin de l'Acad . de Bruxelles , 1836 , p . 75 . 38 Forbes , Exper . on the temperature of the earth at different depths ...
Page 103
... basaltic island of St. Thomas , which rises to an elevation of more than 7000 feet , was there- fore somewhat less than half a degree westward in the course of a year ; after which the line of no inclination turned towards the north on ...
... basaltic island of St. Thomas , which rises to an elevation of more than 7000 feet , was there- fore somewhat less than half a degree westward in the course of a year ; after which the line of no inclination turned towards the north on ...
Other editions - View all
Common terms and phrases
Abich according acid active volcanoes America andesite Annalen appear ascended Asia Asie Centrale augite basaltic Boussingault chain Chimborazo coast cones conical mountain contain Cordilleras Cosmos Cotopaxi crater declination depth direction distance earth earthquakes east eastern Eifel elevation eruption expedition feet felspar fissures formation fragments geognostic geographical miles geological granite Gunung Gustav Rose heat height hemisphere Hobarton horary hornblende hornitos Humboldt inclination intensity interior investigations island Java Jorullo Junghuhn lake latitude lava lava-streams Leopold von Buch leucite magnetic force masses measurement meridian Mexico needle northern observations obsidian Ocean oligoclase olivine parallel period phenomena phenomenon Phil Poggend points portion pumice pumice-stone Quito remarkable rise rock Sabine scoriæ Sir James Ross southern springs Strabo strata subterranean sulphur summit surface temperature terrestrial magnetism tion toises trachytic Transact upheaval vapours variation Vesuvius volcanic activity Voyage western whilst