The Geology and Extinct Volcanos of Central France |
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Page viii
... character . These processes are principally : I. The atmospheric phenomena , including the laws of the circulation and residence of WATER on the exterior of the globe . II . The action of earthquakes and volcanos . And the changes ...
... character . These processes are principally : I. The atmospheric phenomena , including the laws of the circulation and residence of WATER on the exterior of the globe . II . The action of earthquakes and volcanos . And the changes ...
Page ix
... character at least , bear so strong an analogy to those which appear to have occurred in the earlier ages of the world's history , that until the processes which give rise to them have been maturely studied under every shape , and then ...
... character at least , bear so strong an analogy to those which appear to have occurred in the earlier ages of the world's history , that until the processes which give rise to them have been maturely studied under every shape , and then ...
Page xiv
... characters of the organic remains found in association with the rocks , whether tertiary or post - tertiary , of the district , I have given catalogues of its fauna from the works of MM . Pomel and Aymard in an Appendix , to which the ...
... characters of the organic remains found in association with the rocks , whether tertiary or post - tertiary , of the district , I have given catalogues of its fauna from the works of MM . Pomel and Aymard in an Appendix , to which the ...
Page 2
... character , often within very narrow limits passing into gneiss , and sometimes , especially on its southern and western borders , into mica - schist , talcose - schist , or serpentine . The mica is sometimes replaced by pinite , either ...
... character , often within very narrow limits passing into gneiss , and sometimes , especially on its southern and western borders , into mica - schist , talcose - schist , or serpentine . The mica is sometimes replaced by pinite , either ...
Page 4
... character . The valleys which separate them are rarely of considerable width ; winding , narrow , and all but impassable cleft - like glens predominate , giving to the " Cevennes " that peculiarly intricate character which enabled its ...
... character . The valleys which separate them are rarely of considerable width ; winding , narrow , and all but impassable cleft - like glens predominate , giving to the " Cevennes " that peculiarly intricate character which enabled its ...
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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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