Geology for general readers1870 |
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Page 111
... accumulations , they appear little altered in texture , and are usually looked upon as sub - fossil , or only partially fossil ; but when they are im- bedded in the older and harder strata , the stony conversion is in general complete ...
... accumulations , they appear little altered in texture , and are usually looked upon as sub - fossil , or only partially fossil ; but when they are im- bedded in the older and harder strata , the stony conversion is in general complete ...
Page 117
... accumulations , so with the strata of the older forma- tions ; some are destitute of organic remains , which must at one time have been imbedded in them in abundance , while in others they are so imperfectly preserved as to be of little ...
... accumulations , so with the strata of the older forma- tions ; some are destitute of organic remains , which must at one time have been imbedded in them in abundance , while in others they are so imperfectly preserved as to be of little ...
Page 118
David Page. Generally speaking , in recent accumulations , such as sand- silt , peat - moss , and the like , the remains of plants and animals are found little altered . The more volatile matters are expelled from the plant , and the ...
David Page. Generally speaking , in recent accumulations , such as sand- silt , peat - moss , and the like , the remains of plants and animals are found little altered . The more volatile matters are expelled from the plant , and the ...
Page 133
... accumulations may yet be ascribed . * Be this as it * Several years ago we appended the following note to a chapter on the Old Red Sandstone ( ' Past and Present Life of the Globe ' ) , and see no reason yet to change our opinion ...
... accumulations may yet be ascribed . * Be this as it * Several years ago we appended the following note to a chapter on the Old Red Sandstone ( ' Past and Present Life of the Globe ' ) , and see no reason yet to change our opinion ...
Page 148
... accumulations of the Tertiary system are not precisely of the same age , nor have they been deposited under the same conditions , and thus we may expect to find differences among them , just as among the coals of the older formations ...
... accumulations of the Tertiary system are not precisely of the same age , nor have they been deposited under the same conditions , and thus we may expect to find differences among them , just as among the coals of the older formations ...
Common terms and phrases
accumulations ages America ancient antiquity areas arrangement aspects beds bituminous calcareous Cambrian Carboniferous Chalk changes chemical chiefly clays climate coal coal-fields course Cretaceous Crown 8vo crustacea crystalline debris decay deposits distribution of sea drifted dry land earth's crust eocene estuaries Europe existing extinct feet fishes flora and fauna formations forms fossils Geography geologists geology glacial epoch glacier globe gradually gravel heat higher igneous incessant ironstones islands lakes latitudes Laurentian lava less lignites limestones lower mammals masses matter MESOZOIC metamorphism mineral miocene nature newer numerous occur ocean Old Red Sandstone older Oolite operations organic PALEOZOIC partly period physical plants and animals pliocene portion present recent regions reptiles rivers rock-matter rocks rocky sand schists sea and land secondary sediments shales shell-fish shells silts Silurian Sketch soil species stage stone strata stratified surface terrestrial tertiary thickness tion Triassic variety vegetable veins vital volcano vulcanic zoophytes
Popular passages
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Page 3 - ... this respect the Dictionary is most valuable and thoroughly reliable. As to the etymology of words, it is exhibited in a form that fixes itself upon the memory, the root-words showing the probable origin, of the English words, their primary meaning, and their equivalents in other languages. Much useful information and instruction relative to prefixes, postfixes, abbreviations, and phrases from the Latin, French, and other languages, &c., appropriately follow the Dictionary, which is throughout...