Jordan flows through a country of volcanos 294 Change of wind owing to small causes.
But as there are evidently hills and vales and volcanos on this side of the moon, the consequence is that the moon has no ocean, or that it is frozen.
From the situations of volcanos which are always found upon the summit of the highest mountains.
Wants further observations 126 Immediate cause of volcanos from steam and other vapours.
Because there are brighter or more luminous parts of the sun's disk, called faculae by Scheiner and Hevelius, which would seem to bevolcanos in the sun, or, as Dr.
For the dispersion of contagious vapours from volcanos see an account of the Harmattan in the notes on Chunda, Vol.
Present volcanos like mole-hills 68 Moon has little or no atmosphere.
Can volcanos at the time of their eruptions have this effect, as they are generally attended with lightning?
Water of the sea originally fresh 36 Venus rising from the sea an hieroglyphic emblem of the production of the earth beneath the ocean 47 First great volcanos in the central parts of the earth.
The manner in which the great eruptions of volcanos are made, may afford us an idea of this acceleration of motion.
A] Ray pretends that all mountains have been produced by earthquakes, and he has composed a treatise to prove it; we shall shew under the article of Volcanos what little foundation his opinion is built upon.
In confirmation of what has been advanced on this subject, it is certain that volcanos are seldom met with on plains; on the contrary, they are constantly found in the highest mountains, and their mouths at the very summit of them.
If the internal fires of the volcanos extended below the plains, would not passages be opened in them during violent eruptions?
Volcanos I find exist only in the highest mountains; that many of them are entirely extinct; that some are connected with others by subterraneous passages, and that their explosions frequently happen at one and the same time.
They gave to the plain exactly the appearance of the mud volcanos at Jorullo, as figured by Humboldt.
I have marked with vermilion spots all the many known active volcanos within the limits of this same map.
Hence in these cases it would appear, that volcanos burst forth into action and become extinguished on the same spots, accordingly as elevatory or subsiding movements prevail there.
By an examination ofvolcanos now active, and by comparing their structure and the composition of their lavas with the ancient trap rocks.
The route to Ngandwona discloses the Tengger in a different aspect; the volcanos are far away, and this central region is rich in pastoral pictures full of lulling charm.
The Sierra de los Tuxtlas is a range of volcanos lying near the Gulf Coast in southern Veracruz between the mouths of the Rio Papaloapan and the Rio Coatzacoalcos.
This range of volcanos is surrounded by lowlands, which immediately to the south and west are covered with savanna and in places by scrub forest.
The luxuriant nature of the vegetation on these volcanos indicates that this range receives much more rainfall than the surrounding lowlands.
From the volcanos proceed springs of warm water, which are in great abundance in the island of Lucon; to some are attributed even marvellous properties, particularly to those of Bailly, situated on the borders of the lake of Bay.
I was surprised to find Iztaccihuatl classed among the active volcanos in Johnston's Physical Atlas, and supposed at first that a crater had really been found.
It is one point in the line of volcanos which stretches across the continent from east to west.
Many traces of Volcanoshave been observed in this Peninsula; and there are some mountains, which are at present in a burning state.
Hence in these cases it would appear that volcanos burst forth into action and become extinguished on the same spots, accordingly as elevatory or subsiding movements prevail there.
Here one would expect our author is to allow that volcanos may erect rocks in heightening them in their place; but this is not the light in which it has been seen by him, as will appear from what follows.
Hecla throws out its fires through the ice and snow of a frozen land; its eruptions are nevertheless as violent as those of AEtna, and other volcanos of southern countries.
It has often been asked, why volcanos are all met with at the top of mountains?
Volcanos and waters which produce caverns internally, form also external clefts, precipices, and abysses.
There are also some other volcanos in India, as at Sumatra, and in the north of Asia, but those are not considerable.
It is not therefore surprising that volcanos are found only in high mountains.
They are not confined to any one part of the globe, for there are Volcanos existing in the four quarters of it.
In the beginning of eruptions, Volcanos frequently throw up water mixed with the ashes.
Buffon, and of all the natural historians, who have placed the seat of the fire of Volcanos towards the center, or near the summit of the mountains, which they suppose to furnish the matter emitted?
Upon the whole, if I was to establish a system, it would be, that Mountains are produced by Volcanos, and not Volcanos by Mountains.
This was evidently the same electrical fire, and with which I am convinced that the smoak of all Volcanos is pregnant.
The kingdom of the Two Sicilies offers certainly the fairest field for observations of this kind, of any in the whole world; here are Volcanos existing in their full force, some on their decline, and others totally extinct.
I am convinced, that the smoak of Volcanos contains always a portion of electrical matter; which is manifest at the time of great eruptions, as is mentioned in my account of the great eruption of Vesuvius in 1767.
Is it not natural then to imagine that there must have been Volcanos near this spot, long before the formation of the mountain of Pausilipo?
Ulloa likewise mentions this circumstance of water attending the eruptions of Volcanos in America.
It is not meant to allege, that it is only upon the summit of a continent volcanos should appear.
Volcanos are natural to the globe, as general operations; but we are not to consider nature as having a burning mountain for an end in her intention, or as a principal purpose in the general system of this world.
A] For a view of Puy de Tartaret and Mont Dor, see Scrope's Volcanos of Central France.
That region had already acquired in some degree its present configuration before any volcanos were in activity, and before any igneous matter was superimposed upon the granitic and fossiliferous formations.
I know of no other extinct volcanos where gaseous explosions of such magnitude have been attended by the emission of so small a quantity of lava.
Submarine and subaerial exhalations often occur in regions of earthquakes and volcanos far from points of actual eruption, and charged with sulphur, sulphuric salts, and with common salt or muriate of soda.
Although none of these French volcanos have been in activity within the period of history or tradition, their forms are often very perfect.
Most of the Catalonian volcanos are as entire as those in the neighbourhood of Naples, or on the flanks of Etna.
The Kaiserstuhl, a volcanic mountain which stands in the middle of the plain of the Rhine near Freiburg, has been covered almost everywhere with this loam, as have the extinctvolcanos between Coblentz and Bonn.
In neither have any organic remains been discovered; so that we can merely affirm, as yet, that the volcanos broke out after the elevation of some of the newest rocks of the nummulitic (Eocene?
But most volcanos as I say, are, or have been, the shape of the one which you see here.
For instance, when the earth shook the other day round the volcanos of Quito, it shook also round the volcanos of Peru, though they were 600 miles away.
I could tell you many stories of fish being killed in thousands by earthquakes and volcanos during the last few years.
If I can make you understand those words, you will see why volcanos must be in general of the shape of Cotopaxi.
On the sea-shore below those volcanos stood the hapless city of Arica, whose ruins we saw in the picture.
For volcanos are the holes which the steam underground has burst open that it may escape into the air above.
And wherever there are volcanos there will be earthquakes.
And there are many stories of earthquakes being felt, or awful underground thunder heard, while volcanos were breaking out hundreds of miles away.
So, in order to supply the continual waste of this upper world, Madam How is continually melting up the under world, and pouring it out of the volcanos like manure, to renew the face of the earth.
The two othervolcanos are called in like manner after the ostrog of Tolbatchina, where we arrived in good time.
From this natural process it is very evident that the earth was much warmer during its first periods; earthquakes, and volcanos much more common than now, and a general instability in the condition of our globe.
The force of volcanos is supposed to be the greatest of any thing yet known in nature.
The lunar volcanos are very high, and the surface of that globe suffers frequent changes, as appears by the late observations of Schroeter.
Of all the volcanos recorded in history, Stromboli seems to be the only one that burns incessantly.
Humboldt says the dome-shaped craters of volcanos rise from six hundred to eighteen thousand feet in height.
Mr. Ure reckons up two hundred and five active volcanos at this time.
Craters of extinct volcanos are visible, and so numerous as to indicate very clearly, that volcanic action was once very extensive and powerful in the moon.
Volcanos in the moon have been observed by means of the telescope.
It has, however, led to the remark, that volcanos are generally situated in islands, or near the sea coast.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "volcanos" in a variety of sentences. We hope that you will now be able to make sentences using this word.
