Open-air Studies in Geology |
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... , that the various changes in the text may help to bring these open - air studies abreast of our present knowledge . GRENVILLE A. J. COLE . DUBLIN , July , 1902 . TABLE OF CONTENTS СНАР . I. THE MATERIALS OF THE viii PREFACE.
... , that the various changes in the text may help to bring these open - air studies abreast of our present knowledge . GRENVILLE A. J. COLE . DUBLIN , July , 1902 . TABLE OF CONTENTS СНАР . I. THE MATERIALS OF THE viii PREFACE.
Page 4
... present , and will thus give us an account of the chemical constitution of the mineral . But what about these various substances ? They may be stated by our friendly chemist to be chemical compounds , and these can be further split up ...
... present , and will thus give us an account of the chemical constitution of the mineral . But what about these various substances ? They may be stated by our friendly chemist to be chemical compounds , and these can be further split up ...
Page 5
... present we cannot get beyond our seventy elements . If we conceive the smallest particle of an element that can independently exist , we may call such a particle an atom . It will have a certain weight , and the atoms of different ...
... present we cannot get beyond our seventy elements . If we conceive the smallest particle of an element that can independently exist , we may call such a particle an atom . It will have a certain weight , and the atoms of different ...
Page 7
... present , and no sodium ; sometimes sodium occurs , and then there is less potassium . We say that the potassium may be replaced in part by sodium without the principal charac- teristics of the mineral being altered . In such cases it ...
... present , and no sodium ; sometimes sodium occurs , and then there is less potassium . We say that the potassium may be replaced in part by sodium without the principal charac- teristics of the mineral being altered . In such cases it ...
Page 10
... present purposes , we may note three kinds of hardness among minerals : - a . Some minerals cannot be scratched by a good knife . b . Some minerals can be scratched by a knife , but not by the thumb - nail . c . Some minerals can be ...
... present purposes , we may note three kinds of hardness among minerals : - a . Some minerals cannot be scratched by a good knife . b . Some minerals can be scratched by a knife , but not by the thumb - nail . c . Some minerals can be ...
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alluvial alluvium Alps andesite augite banks basalt become beds beneath blocks calcium carbonate Chalk character CHARLES GRIFFIN chemical clay cliffs coast colour cone Cretaceous Crown 8vo crust crystalline crystals denudation deposits dykes earth Engineer Eocene escarpment EXETER STREET feet felspars flint flow folded fossils Fully Illustrated Geol Geology glacier glass gneiss grains granite Handsome Cloth hills hollow Hornblende igneous iron Juras Jurassic lake Lake Bonneville land Large 8vo lava layers Leith Hill limestone LONDON lower marine mass material Mesozoic mica miles minerals Miocene mountain occur orthoclase oxide pebbles plain plane Plates Pliocene Practical produced Professor pyroxene quartz region Revised rhyolite ridge rise river rock round salts sand sandstone SECOND EDITION seen shells side silica slope specific gravity steep stones STRAND strata stream structure summit surface TEXT-BOOK unconformity upper valley volcanic Wealden wind
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