The Quarterly journal of the Geological Society of London . vision, however, which, althoughwell-marked in that vicinity, can only be considered as a local feature. The railway cutting at New Cross was interesting from its exposinga more freshwater condition-)* of the strata than usually prevails, andfrom its showing the relation of these upper beds of the Woolwichseries to the London clay. Only the higher beds of the group werehere exposed, consisting of— (PL I. Diag. C, Loc. sect. 9.) Feet. London clay 40 Basement-bed London clay (flint-pebbles in ochreous sand) ... 1 to 2 i. Yellow sand 2£
The Quarterly journal of the Geological Society of London . vision, however, which, althoughwell-marked in that vicinity, can only be considered as a local feature. The railway cutting at New Cross was interesting from its exposinga more freshwater condition-)* of the strata than usually prevails, andfrom its showing the relation of these upper beds of the Woolwichseries to the London clay. Only the higher beds of the group werehere exposed, consisting of— (PL I. Diag. C, Loc. sect. 9.) Feet. London clay 40 Basement-bed London clay (flint-pebbles in ochreous sand) ... 1 to 2 i. Yellow sand 2£ h. Clay and sand, with shells occasionally 3 g. Band of freshwater limestone (Paludina) OJ to. 1 f. Sand and shells 6 e. Clayey sand and shells 5 The order of succession of the lower beds was made known by awell sunk at the Naval School, New Cross. * At a distance of a cmarter of a mile E. this bed becomes 6 feet thick, of adark grey colour, and full of shells. t The same beds extend to Peckham on one side, and to Counter Hill andLewisham on the III. =TZ^ PRESTWICH WOOLWICH AND READING SERIES. 105 Woolwichand Well-section, New Cross. (PL I. Diag. C, Loc. sect. 8.)(Mr. R. W. Mylne.) Feet. London J Yellow clay 10 Clay. \ Blue clay 13 i. Shells in sand 10 h. Hard shells 3 g. Sand with water 1 f. Sand with shells 15 \ e. Shells and clay mixed 5 d. Sand 1 c. Hard shells in sand 2 b. Pehbles 15 a. Green sand 2 hi. Thanet j Hard sand 14 Sands. \ Sand 34 125 Chalk 25 To the band of freshwater limestone, attention has been called byMr. Warburton*. It is full of the following fossils :— Melanopsis buccinoides, Fer. Teeth, bones, and scales of Fishes. Paludina lenta, Sow. var. a, Mor. Unio (Deshayesii, Wat. ?).Hydrobia Parkinsoni, Mor. Traces of vegetable impressions. The Unio has only been found at a very short distance to the W. of this place. The Paludina, which can scarcely be distin-guished from the Isle of Wight species, hardly exceeds the limits ofthis area: it h
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845
