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CONTENTS.
| Page | |
| Granite Veins | 109 |
| Metamorphism of Rocks | 110 |
| Hypozoic Strata. | |
| Gneiss and Mica Schist System | 111 |
| Composition | 111 |
| Lamination | 114 |
| Stratification | 115 |
| Succession and Thickness of its Strata | 117 |
| Organic Life | 118 |
| Extent of Country occupied by | 119 |
| Physical Geography | 120 |
| Igneous Rocks | 121 |
| General Inference concerning | 122 |
| Palæozoic Strata. | |
| Lower Cambrian System of Sedgwick | 124 |
| Composition | 125 |
| Structure | 126 |
| Cleavage | 128 |
| Succession of its Strata | 128 |
| Organic Remains | 131 |
| Geographical Extent | 132 |
| Physical Geography | 133 |
| Igneous Rocks | 134 |
| Silurian System of Murchison | 136 |
| Composition | 136 |
| Structure | 136 |
| Succession and Thickness of its Strata | 138 |
| Table of the Strata | 139 |
| Organic Remains | 140 |
| Tables of ditto | 141-144 |
| Figures of ditto | 145 |
| Geographical Extent | 146 |
| Figure exhibiting ditto | 147 |
| Physical Geography | 148 |
| Igneous Rocks | 148 |
| Mineral Veins | 149 |
| Close of the Silurian Period, and ensuing Disturbances of the Crust of the Globe | 149 |
| Figures exhibiting ditto | 151-153 |
| Devonian System | 154 |
| Composition | 154 |
| Organic Remains | 156 |
| Tables exhibiting ditto | 157 |
| Figures of ditto | 158-159 |
| Geographical Extent | 160 |
| Carboniferous System | 162 |
| Composition | 162 |
| Structure | 160 |
| Figures of ditto | 164-165 |
| Succession and Thickness of its Strata | 166 |
