The Geology and Extinct Volcanos of Central France |
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Page xii
... seems to me opposed not merely to the rules of philosophical analogy , but even to the evidence of the senses . The weight of authority un- fortunately thrown into the scale in favour of this theory by geologists of such repute and ...
... seems to me opposed not merely to the rules of philosophical analogy , but even to the evidence of the senses . The weight of authority un- fortunately thrown into the scale in favour of this theory by geologists of such repute and ...
Page 7
... existing river - beds . But these distinctions do not seem to me as yet well made out . † Mémoire sur le Nivellement des Monts Dômes . similar capping of horizontal strata of a hard and durable CHAP . II . LIMAGNE D'AUVERGNE .
... existing river - beds . But these distinctions do not seem to me as yet well made out . † Mémoire sur le Nivellement des Monts Dômes . similar capping of horizontal strata of a hard and durable CHAP . II . LIMAGNE D'AUVERGNE .
Page 8
... seems at first tenable . But on a closer examination there is no difficulty in recognising the occasional alternation of these sandstone - beds with the calcareous strata containing freshwater shells , * and I have therefore no doubt of ...
... seems at first tenable . But on a closer examination there is no difficulty in recognising the occasional alternation of these sandstone - beds with the calcareous strata containing freshwater shells , * and I have therefore no doubt of ...
Page 13
... seem properly to belong to those great deposits of concretionary indusial limestone which form so important an element in the geognosy of the whole Limagne . † This is in fact what would be expected from the littoral origin we have ...
... seem properly to belong to those great deposits of concretionary indusial limestone which form so important an element in the geognosy of the whole Limagne . † This is in fact what would be expected from the littoral origin we have ...
Page 15
... seems as if there had been time for each suc- cessive accumulation of calcareous mud to become partially consolidated , and for a re - arrangement of its particles to take place ( the heavier silex sinking to the bottom ) , before the ...
... seems as if there had been time for each suc- cessive accumulation of calcareous mud to become partially consolidated , and for a re - arrangement of its particles to take place ( the heavier silex sinking to the bottom ) , before the ...
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Common terms and phrases
Allier ancient appears Ardèche augite Auvergne basin bed of basalt breccia calcareous calcareous peperino Cantal cellular Central France chain of puys channel character Clermont clinkstone colour columnar compact conglomerate considerable contains covered crater Crown 8vo current of lava deposits distance district domite dyke east Edition elevation eruption evidently excavation Fcap feet felspar fissures flowed formed fragments freshwater formation geologists Gergovia gneiss granitic platform Graveneire Haute Loire heights hill Illustrations lacustrine lake lava lava-current Le Puy Limagne limestone marls mass matter Mezen miles Mont Dore Monts Dôme mountain neighbouring numerous observed occupied olivine Pariou peperino plain Plate plateau points Pomel Pont Portrait Post 8vo prisms probably Puy de Dôme recent remarkable ridge rise river rock sandstone scoriæ side Sioule slope strata stream of lava substance summit surface tertiary thick tion trachyte tuff valley vent Vivarais volcanic cones Vols Woodcuts
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