Page:A Treatise on Geology, volume 1.djvu/15

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CONTENTS.
ix
Page
Palæozoic Strata.─Carboniferous System continued.
Organic Remains 170
Figures of ditto 171,173,175
Physical Geography 175
Geographical Extent 177
Igneous Rocks 184
General View of the Circumstances under which the Carboniferous System was deposited 186
Extent of British Coal Fields under superior Strata Disturbances of the Carboniferous System 193
Figures illustrating ditto 194-195
Permian System (Magnesian Limestone Series of England) 195
Composition 196
Structure of its Deposition 197
Divisional Planes 197
Succession and Thickness of its Strata 197
Organic Remains 198
Table of ditto 199
Figures of ditto 200
Table of Fauna of 201
Geographical Extent 202
Mesozoic Strata.
Triassic System (Part of Saliferous of former Editions) 203
Composition 203
Organic Remains 205
Geographical Extent 206
Physical Geography 208
Igneous Rocks 208
Origin and Aggregation of the Materials of the Triassic and Permian Systems 209
Origin of Rock Salt and Gypsum 210
Oolitic System 214
Composition 214
Structure 217
Divisional Planes 217
Series of Strata 218
Table exhibiting ditto 219
Figures illustrating ditto 220-221
Organic Remains 222
Tables of ditto 222-224
Figures of ditto 224-225
Geographical Extent 226
Figure of ditto 229
Physical Geography 230
Figure illustrating ditto 230
General Review of the System 231
Cretaceous System 233
Composition 233
Stratification 235
Succession of its Strata 236