The Geology and Extinct Volcanos of Central France |
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Page x
George Poulett Scrope. still to appear cascading over the lips of craters of scoriæ , did assist in no small degree in putting an extinguisher on the then fading and flickering , but shortly before insolently triumphant , dogma . It had ...
George Poulett Scrope. still to appear cascading over the lips of craters of scoriæ , did assist in no small degree in putting an extinguisher on the then fading and flickering , but shortly before insolently triumphant , dogma . It had ...
Page 14
... scoriæ , and volcanic ashes are scattered through some of the undis- turbed limestone - beds , and assume frequently a remarkable disposition , the heavier and larger fragments occupying the lower part of each stratum , the lighter and ...
... scoriæ , and volcanic ashes are scattered through some of the undis- turbed limestone - beds , and assume frequently a remarkable disposition , the heavier and larger fragments occupying the lower part of each stratum , the lighter and ...
Page 17
... scoriæ occurred within or on the banks of the . freshwater lake of the Limagne long before it had ceased to deposit sediment ; since a thickness of several hundred feet of its sedimentary beds are found overlying some which contain ...
... scoriæ occurred within or on the banks of the . freshwater lake of the Limagne long before it had ceased to deposit sediment ; since a thickness of several hundred feet of its sedimentary beds are found overlying some which contain ...
Page 18
... scoriæ , cemented by calcareous spar , and finally to a compact basalt . Such examples are found in the Puys de Crouel and de la Poix ( remarkable for its abundant bitumen ) , at Verthaison , Cour - cour , Pont du Château , and the Puy ...
... scoriæ , cemented by calcareous spar , and finally to a compact basalt . Such examples are found in the Puys de Crouel and de la Poix ( remarkable for its abundant bitumen ) , at Verthaison , Cour - cour , Pont du Château , and the Puy ...
Page 20
... scoriæ , and fine volcanic detritus mingled with fragments of limestone of various sizes , and united by a calca- reous cement . On the western side of the hill fronting the Puy de Monton the limestone fragments predominate ; the ...
... scoriæ , and fine volcanic detritus mingled with fragments of limestone of various sizes , and united by a calca- reous cement . On the western side of the hill fronting the Puy de Monton the limestone fragments predominate ; 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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