. The earth in past ages. Geology, Stratigraphic; Earth sciences. LOWER rERTIARY. »6S known as the zone of Osfrea bdlovacina, and Pectunculus Urebratularis. Ascending the Thames these beds are at first marine sands, differing but little from the Thanet Sands. At Upnor, near Rochester, they become estuarine, and consist A layers of rounded pebbles and alternations of mds and shell beds. This condition con- tinues up the Thames valley, and the marine shells, which were y distinguishable from the shells of the Thanet Sands at Heme Bay, sh-water shells under London. At Loampit Hill re- mains of te
. The earth in past ages. Geology, Stratigraphic; Earth sciences. LOWER rERTIARY. »6S known as the zone of Osfrea bdlovacina, and Pectunculus Urebratularis. Ascending the Thames these beds are at first marine sands, differing but little from the Thanet Sands. At Upnor, near Rochester, they become estuarine, and consist A layers of rounded pebbles and alternations of mds and shell beds. This condition con- tinues up the Thames valley, and the marine shells, which were y distinguishable from the shells of the Thanet Sands at Heme Bay, sh-water shells under London. At Loampit Hill re- mains of tern plants and ins r. At Reading i matted leaves, to B] laurel and al ik, in the r part ofthesands. which med in with g ma- rine shells which have a Ion in time, some on tuning in the Montian beds and sur- viving to the London clay. It is therefore shown by these Woolwich and Reading beds and their »Slls that the dome of the Wealden district, be- tween the Thames and the English Channel, was raised into land; and that the chalk which once covered it furnished the flints which were rolled into completely rounded pebbles before they were. na, from the The shell has grown en a branch of a 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 Seeley, H. G. New York, Review of Reviews Co.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1902
