 ... dykes of the same rocks.* The opposite sides of each excavation generally offer corresponding sections, the same beds being visible at similar heights on both declivities, but varying occasionally in thickness. This is universally the case in all...  The Geology and Extinct Volcanos of Central France - Page 118by George Poulett Scrope - 1858 - 258 pagesFull view - About this book
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - English literature - 1827 - 624 pages
...diminished slope caused the lava currents to increase in width as much as in length, they often extend over a surface of many square miles — forming a...platforms, with a slight, and, towards their termination, a scarcely perceptible declination. The currents of basalt have flowed on all sides to the distance... | |
 | 1827 - 630 pages
...diminished slope caused the lava currents to increase in width as much as in length, they often extend over a surface of many square miles — forming a...platforms, with a slight, and, towards their termination, a scarcely perceptible declination. The currents of basalt have flowed on all sides to the distance... | |
 | George Poulett Scrope - Geology - 1858 - 362 pages
...valleys which have reduced the Mont Dore to a mere skeleton woidd exhibit its constitution in the must satisfactory manner ; but as might be expected, the...these distant * Were the causes which occasion the activity of /Etna to cense, this volcanic mountain would before the lapse of many centuries assume... | |
 | Paul Hamilton Payne - Literature, Modern - 1859 - 610 pages
...the narrower gorges, near the base of the mountain, where the diminished slope caused the currents to increase in width, as much as in length; and, in...of many square miles, forming a succession of vast plateaux with a slight declination. The currents which compose these plateaux are found to consist... | |
 | Paul Hamilton Payne - Literature, Modern - 1859 - 610 pages
...mountain, where the diminished slope caused the currents to increase in width, as much as in length; and,in these situations, the same bed, or series of beds,...of many square miles, forming a succession of vast plateaux with a slight declination. The currents which composo these plateaux are found to consist... | |
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