The Geology and Extinct Volcanos of Central France |
From inside the book
Results 1-5 of 88
Page 2
... mass of this ele- vated district is composed of primary crystalline rocks , chiefly granite , overlapped on all sides by secondary strata belonging principally to the Jurassic system , which , at its southern extremity , attain a ...
... mass of this ele- vated district is composed of primary crystalline rocks , chiefly granite , overlapped on all sides by secondary strata belonging principally to the Jurassic system , which , at its southern extremity , attain a ...
Page 12
... masses of littoral reeds to which they were attached , when these were torn away from the banks by storms , and floated out by the winds and currents to great distances . * Sometimes , instead of the Indusiæ , the calcareous ...
... masses of littoral reeds to which they were attached , when these were torn away from the banks by storms , and floated out by the winds and currents to great distances . * Sometimes , instead of the Indusiæ , the calcareous ...
Page 16
... masses . 4. A single bed , 10 inches thick , of a very compact , hard , and fine - grained limestone , with a conchoidal fracture , of a deep bluish - black , probably coloured by volcanic ashes . 5. Numerous calcareo - volcanic strata ...
... masses . 4. A single bed , 10 inches thick , of a very compact , hard , and fine - grained limestone , with a conchoidal fracture , of a deep bluish - black , probably coloured by volcanic ashes . 5. Numerous calcareo - volcanic strata ...
Page 18
... masses of calcareous peperino occur in which stratification entirely disappears . All is confu- sion , the rock passing by frequent and gradual transitions from a limestone impregnated but slightly with volcanic particles to a ...
... masses of calcareous peperino occur in which stratification entirely disappears . All is confu- sion , the rock passing by frequent and gradual transitions from a limestone impregnated but slightly with volcanic particles to a ...
Page 19
... masses of calcareous matter ( of the Plio- cene tertiary formation ) lay in a pulpy unconsolidated state ; the former of eruptions through a similar mass , the deposit of a freshwater lake . The great variety of rare and beautiful ...
... masses of calcareous matter ( of the Plio- cene tertiary formation ) lay in a pulpy unconsolidated state ; the former of eruptions through a similar mass , the deposit of a freshwater lake . The great variety of rare and beautiful ...
Other editions - View all
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
Popular passages
Page 1 - The Life and Death of John of Barneveld, Advocate of Holland : with a View of the Primary Causes and Movements of "The Thirty Years
Page 8 - HISTORY OF FRANCE; from the Earliest Times to the Establishment of the Second Empire, 1852.
Page 7 - TF) on the Constitution and Practice of Courts-Martial; with a Summary of the Law of Evidence, and some Notice of the Criminal Law of England with reference to the Trial of Civil Offences. Sixth Edition. 8vo. STANLEY'S (DEAN) Sinai and Palestine. Map. 8vo. 14s. . Bible in the Holy Land ; Extracted from the above Work. By a Lady. Wsodcuts. Fcap. Svo. 2». 6d. St. Paul's Epistles to the Corinthians. With Dissertations and Notes. 8vo. 18«.
Page 258 - BISSET'S (ANDREW) History of the Commonwealth of England, from the Death of Charles I. to the Expulsion of the Long Parliament by Cromwell.
Page 206 - ... been completed. There was first a period when the spacious lakes, of which we still may trace the boundaries, lay at the foot of mountains of moderate elevation, unbroken by the bold peaks and precipices of Mont d'Or, and unadorned by the picturesque outline of the Puy de Dome, or of the volcanic cones and craters now covering the granitic platform. During this earlier scene of repose, deltas were slowly formed ; beds of marl and sand several hundred feet thick deposited; siliceous and calcareous...