The Geology and Extinct Volcanos of Central France |
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Page 22
... flowed into , 16 feet high and 12 wide . Near it are the rudi- ments of a similar arch , the construction of which is still going on , and aptly illustrates the formation of the other . Like many other similar incrusting springs in ...
... flowed into , 16 feet high and 12 wide . Near it are the rudi- ments of a similar arch , the construction of which is still going on , and aptly illustrates the formation of the other . Like many other similar incrusting springs in ...
Page 34
... flowed in a state of igneous liquefaction , and their complete identity with volcanic lavas - a conclusion to which indeed no one could fail to arrive who would pursue the same straight road to the truth as M. d'Aubuisson . * In 1815 M ...
... flowed in a state of igneous liquefaction , and their complete identity with volcanic lavas - a conclusion to which indeed no one could fail to arrive who would pursue the same straight road to the truth as M. d'Aubuisson . * In 1815 M ...
Page 43
... flowed either to the east or west according to the natural levels of the ground and the situation of the vent ; and though perhaps a larger number of currents have directed themselves towards the Limagne , entering some of the steep ...
... flowed either to the east or west according to the natural levels of the ground and the situation of the vent ; and though perhaps a larger number of currents have directed themselves towards the Limagne , entering some of the steep ...
Page 56
... flowed over a more ancient stream from the Puy de Loucha- · dière ( No. 21 ) . Thence both together poured in a broad sheet of lava down the steep side of a granitic hill which formed the eastern border of the valley of the Sioule ...
... flowed over a more ancient stream from the Puy de Loucha- · dière ( No. 21 ) . Thence both together poured in a broad sheet of lava down the steep side of a granitic hill which formed the eastern border of the valley of the Sioule ...
Page 58
... flowed on from the point of separation in a direction west - south - west , soon reached the bed of this river , about three miles above the spot of the other irruption , and pouring over its banks filled up the entire valley with an ...
... flowed on from the point of separation in a direction west - south - west , soon reached the bed of this river , about three miles above the spot of the other irruption , and pouring over its banks filled up the entire valley with an ...
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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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