A Description of Active and Extinct Volcanos, of Earthquakes, and of Thermal Springs: With Remarks on the Causes of These Phænomena, the Character of Their Respective Products, and Their Influence on the Past and Present Condition of the Globe |
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Page xxi
... heat of the globe briefly sketched . - Necessity , in order to decide to which the preference is due , of ascertaining in what degree either one is competent to afford an explanation of the phænomena CHAPTER XXXVII . Page .... 593 ...
... heat of the globe briefly sketched . - Necessity , in order to decide to which the preference is due , of ascertaining in what degree either one is competent to afford an explanation of the phænomena CHAPTER XXXVII . Page .... 593 ...
Page xxii
... Heat diffused through the crust in consequence of the chemical actions set up Concluding remarks . — Degree of probability attributed to the different points which the Chemical Theory embraces . - Reasons for putting it forward more ...
... Heat diffused through the crust in consequence of the chemical actions set up Concluding remarks . — Degree of probability attributed to the different points which the Chemical Theory embraces . - Reasons for putting it forward more ...
Page 9
... heat , of reducing its principal ingredients to such a state of liquidity as seems essential to any chemical union taking place between them , constitutes in itself a strong presumption that those rocks , which , like granite , consist ...
... heat , of reducing its principal ingredients to such a state of liquidity as seems essential to any chemical union taking place between them , constitutes in itself a strong presumption that those rocks , which , like granite , consist ...
Page 10
... heat affects a mineral in two ways , according to the rate at which the subsequent cooling is allowed to proceed . When the latter takes place rapidly , all traces , not only of crystallization , but even of segregation of parts will be ...
... heat affects a mineral in two ways , according to the rate at which the subsequent cooling is allowed to proceed . When the latter takes place rapidly , all traces , not only of crystallization , but even of segregation of parts will be ...
Page 19
... heat , as in basalt , where a zeolitic mineral is substituted , chiefly , as it would seem , by the superaddition of water to the pre - existing elements ; or where , though the felspar remains , yet it is so intermixed with other ...
... heat , as in basalt , where a zeolitic mineral is substituted , chiefly , as it would seem , by the superaddition of water to the pre - existing elements ; or where , though the felspar remains , yet it is so intermixed with other ...
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Common terms and phrases
alluded ancient appear augite Auvergne basalt beds Buch calcareous called Cantal carbonic acid cavity cellular centre chain character clinkstone colour compact composed cones conglomerate conical consisting constitutes containing crater crystals deposit district Ditto dykes earth earthquakes Eifel ejected elevation eruption Etna existence feet felspar felspathic fissures formation former fragments geological geologist glassy felspar granite height hills hornblende Hungary igneous imbedded island lake latter lava leucite limestone mass midst miles mineral modern Mont Dor Mount Vultur mountain neighbourhood noticed observed obsidian occur olivine origin period phænomena pitchstone porphyry portion present probably pumice Puy de Dôme quartz referred remarkable rise Rocca Monfina sandstone scoriæ scoriform seems seen side silica soda Solfatara species spot springs stone strata stream of lava structure substance sulphur summit supposed surface tertiary thermal tion trachyte trass tuff valley vapours Vesuvius volcanic action volcanic operations volcanic products volcanic rocks whilst
Popular passages
Page 330 - Behold, I am against thee, O destroying mountain, saith the Lord, which destroyest all the earth: and I will stretch out mine hand upon thee, and roll thee down from the rocks, and will make thee a burnt mountain.
Page 330 - Oh that thou wouldest rend the heavens, that thou wouldest come down, that the mountains might flow down at thy presence. As when the melting fire burneth, the fire causeth the waters to boil, to make thy name known to thine adversaries, that the nations may tremble at thy presence ! When thou didst terrible things which we looked not for, thou earnest down, the mountains flowed down at thy presence.
Page 330 - The mountains quake at him, and the hills melt, and the earth is burned at his presence, yea, the world, and all that dwell therein. Who can stand before his indignation? and who can abide in the fierceness of his anger? his fury is poured out like fire, and the rocks are thrown down by him.
Page 162 - At specus, et Caci detecta apparuit ingens Regia, et umbrosae penitus patuere cavernae : Non secus, ac si qua penitus vi terra dehiscens Infernas reseret sedes, et regna recludat Pallida, dis invisa ; superque immane barathrum 245 Cernatur, trepidentque immisso lumine Manes.
Page 331 - And Abraham gat up early in the morning to the place where he stood before the LORD : and he looked toward Sodom and Gomorrah, and toward all the land of the plain, and beheld, and, lo, the smoke of the country went up as the smoke of a furnace.
Page 331 - Then the LORD rained upon Sodom and Gomorrah brimstone and fire from the LORD out of heaven : and he overthrew those cities, and all the plain, and all the inhabitants of the cities, and that which grew upon the ground.
Page 389 - ... feet in a perfectly regular manner, and as it were pushed up, by a force beneath ; which suddenly exploded with a dull noise, and scattered about a volume of black mud in every direction. After an interval of two or three, or sometimes four or five seconds, the hemispherical body of mud or earth rose and exploded again. In the same manner this volcanic ebullition goes on without interruption, throwing up a globular body of mud, and dispersing it with violence through the neighbouring plain.
Page 402 - After walking some distance over the sunken plain, which in several places sounded hollow under our feet, we at length came to the edge of the great crater, where a spectacle, sublime and even appalling, presented itself before us —
Page 257 - Near to a vault, which is now thirty feet below ground, and has, probably, been a burial place, there is a draw-well, where there are several strata of lavas, with earth to a considerable thickness over the surface of each stratum. Recupero has made use of this as an argument to prove the great antiquity of the mountain. For if it require two thousand years or upward, to form but a scanty soil on the surface of a lava...
Page 338 - And Lot went up out of Zoar, and dwelt in the mountain, and his two daughters with him; for he feared to dwell in Zoar : and he dwelt in a cave, he and his two daughters.