The Geology and Extinct Volcanos of Central France |
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... formed a fatal bar to the progress of sound geological science , which it was above all things desirable to remove . Being shortly after free to choose my path of travel , I determined to examine with care such evidence upon this point ...
... formed a fatal bar to the progress of sound geological science , which it was above all things desirable to remove . Being shortly after free to choose my path of travel , I determined to examine with care such evidence upon this point ...
Page vi
... formed a fatal bar to the progress of sound geological science , which it was above all things desirable to remove . Being shortly after free to choose my path of travel , I determined to examine with care such evidence upon this point ...
... formed a fatal bar to the progress of sound geological science , which it was above all things desirable to remove . Being shortly after free to choose my path of travel , I determined to examine with care such evidence upon this point ...
Page xii
... formed in this manner . And in some such proportion , elevation , in the sense implied by the elevation - crater ... formation to the heaping up of ejected matters , whether frag- mentary or in the form of congealed lava - currents ; a ...
... formed in this manner . And in some such proportion , elevation , in the sense implied by the elevation - crater ... formation to the heaping up of ejected matters , whether frag- mentary or in the form of congealed lava - currents ; a ...
Page 4
... forming a large proportion of the surface of the depart- ments Aveyron , Lozère , Gard , and Ardèche . They ... formation exhibits a series of flat - topped hills bounded by perpendicular cliffs 600 or 800 feet high . These plateaux are ...
... forming a large proportion of the surface of the depart- ments Aveyron , Lozère , Gard , and Ardèche . They ... formation exhibits a series of flat - topped hills bounded by perpendicular cliffs 600 or 800 feet high . These plateaux are ...
Page 6
... formed their shores . The accompany- ing map marks with sufficient accuracy the general disposition and limits of these lacustrine formations . I. LACUSTRINE FORMATION OF THE LIMAGNE D'AUVERGNE . The largest 6 CHAP . II . TERTIARY ...
... formed their shores . The accompany- ing map marks with sufficient accuracy the general disposition and limits of these lacustrine formations . I. LACUSTRINE FORMATION OF THE LIMAGNE D'AUVERGNE . The largest 6 CHAP . II . TERTIARY ...
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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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