. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. 610 VARIOUS FORMS OF [Ch. XXIX. dikes of trap, the converse of the above phenomenon is seen. The dike, having decomposed more rapidly than the containing rock, has once more left open the original fissure, often for a distance of many yards inland from the seacoast, as represented in the annexed view (fig. 678). In these instances, the greenstone of the dike, is usually Fig. 677. Fie. 678. immmmBm,^. Dike in a valley near Brazen Head, Madeira. (From a drawing of Capt
. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. 610 VARIOUS FORMS OF [Ch. XXIX. dikes of trap, the converse of the above phenomenon is seen. The dike, having decomposed more rapidly than the containing rock, has once more left open the original fissure, often for a distance of many yards inland from the seacoast, as represented in the annexed view (fig. 678). In these instances, the greenstone of the dike, is usually Fig. 677. Fie. 678. immmmBm,^. Dike in a valley near Brazen Head, Madeira. (From a drawing of Capt. Basil Hall, B. N.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lyell, Charles, Sir, 1797-1875. New York, D. Appleton and co.
Size: 1980px × 1261px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1868
