Geological magazine . side ^ We believe that this was at the Marl Point of the Ordnance Survey map. It looked like a representative of the Forest Bed group, but we did nothappen to see any rootlets or stems. ^ Eeproduced from Professor Bonneys paper in Geol. Mag., September,1906, p. 401. * The tide had not risen much on the occasion of our second visit, whenphotographs were taken. The End of Trimmgham Chalk Bluff. 291 a mass of chalk, but mainly consisted of a rather peculiar gravel,formed of irregularly alternating beds, more or less streaky orlenticular, of pebbles and sand (Fig. 2); the lat
Geological magazine . side ^ We believe that this was at the Marl Point of the Ordnance Survey map. It looked like a representative of the Forest Bed group, but we did nothappen to see any rootlets or stems. ^ Eeproduced from Professor Bonneys paper in Geol. Mag., September,1906, p. 401. * The tide had not risen much on the occasion of our second visit, whenphotographs were taken. The End of Trimmgham Chalk Bluff. 291 a mass of chalk, but mainly consisted of a rather peculiar gravel,formed of irregularly alternating beds, more or less streaky orlenticular, of pebbles and sand (Fig. 2); the latter in one or two placesattaining a thickness of 15 or 16 inches, and being fairly free fromstones. This and the matrix of the former is a light-coloured quartz-sand, occasionally having more chalky streaks. The fragments of thegravel are mostly chalk and flint. Those of chalk are of two forms,the less numerous being rather well rounded, ranging up to about4 inches in diameter ; but the majority tabular in shape, with. ^^&
Size: 1762px × 1418px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1864