. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Cypris Valdensis, Fitton. (<7. fdba, Min. Cob. 485.). Weald clay with Oyprides. Hastings Sands. This lower division of the Wealden consists of sand, sandstone, calciferous grit, clay, and shale ; the argillaceous strata, notwithstand- ing the name, predominating somewhat over the arenaceous, as will be seen by reference to the following section, drawn up by Messrs. Drew and Foster, of the Government Survey of Great Britain: Hastings Sand. Names of Subordinate Form
. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. Cypris Valdensis, Fitton. (<7. fdba, Min. Cob. 485.). Weald clay with Oyprides. Hastings Sands. This lower division of the Wealden consists of sand, sandstone, calciferous grit, clay, and shale ; the argillaceous strata, notwithstand- ing the name, predominating somewhat over the arenaceous, as will be seen by reference to the following section, drawn up by Messrs. Drew and Foster, of the Government Survey of Great Britain: Hastings Sand. Names of Subordinate Formations. Tunbridge Wells Sand, Wadhurst Clay, Ashdown Sand, Ashburnham Beds, - Mineral Composition of the Strata. Sandstone and loam, - Thickness in Feet. Blue and brown shale and clay with a little calc-grit, Hard sand with some beds of cale-grit, - - - Mottled white and red clay with some sandstone, 150 100 160 330. 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.
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1868
