A Description of Active and Extinct Volcanos: With Remarks on Their Origin, Their Chemical Phaenomena, and the Character of Their Products, as Determined by the Condition of the Earth During the Period of Their Formation. Being the Substance of Some Lectures Delivered Before the University of Oxford, with Much Additional Matter |
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Page v
... fire , and marking out what belongs clearly to the erupted or unerupted lavas , and what parts are of doubtful for- mation , containing no mark by which they may be referred to the one of these , more than to the other . Such a work ...
... fire , and marking out what belongs clearly to the erupted or unerupted lavas , and what parts are of doubtful for- mation , containing no mark by which they may be referred to the one of these , more than to the other . Such a work ...
Page ix
... fire . I have only further to add , that the remarks , made at the commencement of the First Lecture , with respect to the little attention that has been paid in Great Britain to the Depart- ment of Geology , which forms the subject of ...
... fire . I have only further to add , that the remarks , made at the commencement of the First Lecture , with respect to the little attention that has been paid in Great Britain to the Depart- ment of Geology , which forms the subject of ...
Page 6
... fire , but seem never to have occurred without its intervention . Thus independently of the circumstances connected with the figure of the mountain , the direction of its strata , and the existence of a crater , by which a volcano is ...
... fire , but seem never to have occurred without its intervention . Thus independently of the circumstances connected with the figure of the mountain , the direction of its strata , and the existence of a crater , by which a volcano is ...
Page 15
... fire and terror , retired into the towns , where they made great ravages . A passage of this kind , though it may be brought forward as an argument in favour of the modern date of some of the volcanos in the neighbouring province of ...
... fire and terror , retired into the towns , where they made great ravages . A passage of this kind , though it may be brought forward as an argument in favour of the modern date of some of the volcanos in the neighbouring province of ...
Page 17
... fire , the igneous origin of these latter mountains will scarcely be dis- puted ; but the precise manner in which they have been affec- ted by this agent still admits of a question . It may be said , for instance , either that the rocks ...
... fire , the igneous origin of these latter mountains will scarcely be dis- puted ; but the precise manner in which they have been affec- ted by this agent still admits of a question . It may be said , for instance , either that the rocks ...
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Common terms and phrases
alluded analogy antient appear augite Auvergne basalt beds Breislac Buch calcareous carbonic acid cause cavities cellular characters colour compact composed cones conglomerate consider consist contains covered crater deposited dykes earth earthquakes ejected eruption Etna exhalations existence feet felspar fire formation formed former fragments glassy felspar granite heat hills hornblende Humboldt Hungary igneous island lake latter lava leucite likewise limestone Lipari Macaluba mass Memoir mica midst miles minerals Monte Mount Mount Etna Mount Vultur mountain muriatic Naples nature neighbourhood noticed observed obsidian occur origin period phænomenon Phlegrean fields pitchstone porphyry portion present probably pumice remark respect rise scoriæ scoriform seems seen shew shewn Sicily side Solfatara spot stone Strabo strata stream of lava structure substance sulphur sulphuretted hydrogen summit supposed surface tain tertiary thrown tion trachyte tuff valley vapours Vesuvius vitreous volcanic action volcanic matter volcanic products volcanic rocks whilst δε
Popular passages
Page 279 - 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 279 - 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 325 - The bottom was covered with lava, and the south-west and northern parts of it were one vast flood of burning matter, in a state of terrific ebullition, rolling to and fro its " fiery surge
Page 326 - It was evident, that the large crater had been recently filled with liquid lava up to this black ledge, and had, by some subterranean canal, emptied itself into the sea, or upon the low land on the shore.
Page 278 - 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...
Page 325 - ... and flaming billows. Fifty-one conical islands, of varied form and size, containing so many craters, rose either round the edge or from the surface of the burning lake. Twentytwo constantly emitted columns of grey smoke, or pyramids of brilliant flame ; and several of these at the same time vomited from their ignited mouths streams of lava, which rolled in blazing torrents down their black indented sides into the boiling mass below.
Page 317 - ... the mountain began to give way, and the greatest part of it actually fell in,, and disappeared in the earth. At the same time a tremendous noise was heard, resembling the discharge of the heaviest cannon. Immense...
Page 278 - 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 191 - Wheb a shock is felt, when the earth is shaken on it-s old foundations, which we had deemed so stable, one instant is sufficient to destroy long illusions. It is like awakening from a dream; but a painful awakening.
Page 338 - September every thing seemed to announce the complete re-establishment of tranquillity, when in the night between the 28th and '29th the horrible subterraneous noise recommenced. The affrighted Indians fled to the mountains of Aguasarco. A tract of ground from three to four square miles in extent, which goes by the name of Malpays, rose up in the shape of a bladder.