Volume 1

Geology, introductory, descriptive, & practical / By David Thomas Ansted.

  • David T. Ansted
Date:
1844
Catalogue details

Licence: Public Domain Mark

Credit: Geology, introductory, descriptive, & practical / By David Thomas Ansted. Source: Wellcome Collection.

    23/540 (page 17)
    Re eg 8&8 Ss g = °. l a l a a INDEX TO THE DIAGRAMS. Conformable and unconformable stratification : . Disruption of strata, the lower beds being less tenacious than the upper The same when the upper beds are less tenacious than the lower Faults produced by the irregular sinking of strata after an elevation Example of a fault . , Section across a valley of denudation Section across a valley of elevation ' . 2 Section across the Weald. The South Downs to the Surrey Hills Order of superposition of the Silurian rocks Section across the valley of elevation at Woolhope Section across the older Paleozoic rocks of Germany Section across the Old Red Sandstone of Herefordshire Section across the Old Red Sandstone of Scotland Section across Devonshire Section across the Devonian formations of Belgium Intersection of the septum with the shells of Cephalopoda Section across the Carboniferous system in the middle of England Section across the Carboniferous system in the north of England . Section across the oblique coal basins of Belgium Section across the Magnesian limestone of the North of England . Section across the Magnesian limestone series of Germany Section across a New Red sandstone basin in Shropshire Section across the Triassic system from the Vosges to Nancy Section from the Cotteswold Hills to the Severn . Section across the Oolites of Somersetshire and Wiltshire Section showing the relative position of the Bradford clay and Great Oolite 36 106 114 147 151 156 168 178 203 209 221 229 24] 290 293 313 358 360 362