Class-book of GeologyMacmillan, 1896 - 404 páginas |
Dentro del libro
Página xi
... ROCKS THEIR ORIGINAL STRUCTURES CHAPTER XIII SEDIMENTARY ROCKS - STRUCTURES SUPERINDUCED IN THEM AFTER THEIR FORMATION CHAPTER XIV ERUPTIVE ROCKS AND MINERAL VEINS IN THE ARCHI- TECTURE OF THE EARTH'S CRUST CHAPTER XV HOW FOSSILS ...
... ROCKS THEIR ORIGINAL STRUCTURES CHAPTER XIII SEDIMENTARY ROCKS - STRUCTURES SUPERINDUCED IN THEM AFTER THEIR FORMATION CHAPTER XIV ERUPTIVE ROCKS AND MINERAL VEINS IN THE ARCHI- TECTURE OF THE EARTH'S CRUST CHAPTER XV HOW FOSSILS ...
Página xvii
... sediment 177 84. Rain - prints on fine mud 178 85. Vertical trees ( Sigillaria ) in sandstone , Swansea ( Logan ) 180 86. Hills formed out of horizontal sedimentary rocks 181 87. Section of overlap 182 88. Unconformability 183 89 ...
... sediment 177 84. Rain - prints on fine mud 178 85. Vertical trees ( Sigillaria ) in sandstone , Swansea ( Logan ) 180 86. Hills formed out of horizontal sedimentary rocks 181 87. Section of overlap 182 88. Unconformability 183 89 ...
Página 28
... rocks , and soils . The Mississippi presents a good illustration of these diversities , and has accordingly been ... sediment carried into the Gulf of Mexico by this vast river , with the result of showing that the average amount of sediment ...
... rocks , and soils . The Mississippi presents a good illustration of these diversities , and has accordingly been ... sediment carried into the Gulf of Mexico by this vast river , with the result of showing that the average amount of sediment ...
Página 29
... rocks are worn down ; deep long gorges are dug out , and the water- courses ... sediment on its bottom , because the still water checks their current and ... rock , III 29 EROSION.
... rocks are worn down ; deep long gorges are dug out , and the water- courses ... sediment on its bottom , because the still water checks their current and ... rock , III 29 EROSION.
Página 30
Archibald Geikie. which , though it sweeps over ledges of rock , has not yet been able to grind them down into a deep gorge . The Niagara , also , filtered by Lake Erie , has not acquired sediment enough to enable it to cut deeply into the ...
Archibald Geikie. which , though it sweeps over ledges of rock , has not yet been able to grind them down into a deep gorge . The Niagara , also , filtered by Lake Erie , has not acquired sediment enough to enable it to cut deeply into the ...
Contenido
| 1 | |
| 10 | |
| 61 | |
| 70 | |
| 81 | |
| 93 | |
| 115 | |
| 139 | |
| 237 | |
| 248 | |
| 258 | |
| 267 | |
| 284 | |
| 291 | |
| 299 | |
| 313 | |
| 171 | |
| 185 | |
| 200 | |
| 212 | |
| 226 | |
| 327 | |
| 339 | |
| 351 | |
| 369 | |
| 385 | |
Otras ediciones - Ver todas
Términos y frases comunes
abundant abundantly accumulated acid Ammonites basin beds bones bottom Brachiopods calcareous calcite Cambrian carbonate of lime Carboniferous Chapter characteristic chiefly clay containing corals Cretaceous crinoids crystalline crystals decay deposits detritus Devonian earth earth's crust Eocene eruptive rocks Europe evidence extinct fauna feet thick felspar fishes fissures formations fossils genera geological history geologist glacier globe gneiss gradually granite gravel ground iron Jurassic kinds known lakes land lava layers limestone living lower marine marls mass materials Mesozoic miles Miocene molten mountains natural North occur Old Red Sandstone organic remains original Palæozoic period Permian plants and animals Pliocene present preserved probably quartz rain regions represented rivers sand schists sea-floor sediment sedimentary rocks shales sheets shells siliceous Silurian slopes soil solid sometimes species stone strata stratified stream structure substance surface terrestrial Tertiary trace Triassic Trilobites upper valley various vegetation vent volcanic