The fumaroles of Mont Pele in Martinique during the eruption of 1902 were examined by A.
The vapours from fumaroles were studied first by R.
Numerous lakes also occupy the larger cavities in the ground; and hot-springs, steam-fumaroles and solfataras burst out in great numbers along the banks of the Roto Mahana Lake and the Kaiwaka River by which it is drained.
In the Yellowstone Valley, geysers, hot springs, andfumaroles give evidence of this condition.
The sublimations from the fumaroles are chiefly chloride of ammonium, perchloride of iron, and sulphur.
The volcanic activity there takes the form of eruptions from numerous small vents or fumaroles and ninety-nine per cent.
The moon was just riding up on the edge of the ravine, and like a bar across its face drove the spire of vapour that was for ever streaming from the fumaroles of the island.
It was volcanic in origin, and was now fringed on three sides by coral reefs; some fumaroles to the northward, and a hot spring, were the only vestiges of the forces that had long since originated it.
It is also known, as he remarks, that the temperature of the Ischian springs and fumaroles sometimes varies considerably without any earthquake following, that of the water of Gurgitello occasionally changing by as much as 30° or 40°.
Baldacci supposes that the thermal springs and fumaroles of Forio, Stennecchia, Montecito, Casamicciola, and Castiglione lie along a tangential fracture starting from Forio and passing by Casamicciola to near Punta di Castiglione.
Fumaroles are alleged to have burst out with violence, and even flames to have been seen.
Along the line of this band, occur the fumaroles of Monte Cito and Ignazio Verde and the thermal springs of the Rita and Capitello.
This lava ceased flowing after a week, but the fumaroles still pointed out the clefts, and between the small re-made cone and the central crater a new crater of small dimensions and interrupted activity opened.
Only a few fumarolesdischarging smoke bore witness to the need for watchfulness.
A triple-peaked volcano in the solfatara stage, extinct at the summit, but displaying considerable activity at its base in the form of numerous fumaroles and boiling sulphur springs.
It is of remarkably regular formation, and the floor is pierced by a number of huge fumaroles whence issue immense volumes of steam.
I found sal ammoniac very abundantly on the fumaroles of the lavas that invaded the cultivated ground.
Lead, which I first discovered in the fumaroles of the lavas of 1855, is a constant product of fumaroles which have a certain duration.
The fumaroles were almost all on the brims of the craters, with emanations of hydrochloric and sulphurous acid.
The fumaroles in the lava of the 26th April frequently indicated chloride of iron.
Copious and well-crystallized sal ammoniac is only found on the fumaroles of those lavas which have covered cultivated or wooded ground.
At the source of the lava stream that flowed towards the Camaldoli, on the seaward flank of Vesuvius, I observed large fumaroles of steam only, pure aqueous vapour.
The fumaroles at the summit of Vesuvius present even greater gradations, for they often emit carbonic acid or pure watery vapour.
These centres of heat, of more or less duration, are thefumaroles of the lavas.
That chloride of iron--so manifest on the fumaroles of the great lavas--is only found in small eruptions close to the discharging mouths.
Of course, as we have already pointed out, fumaroles and solfataras may occur in the neighborhood of a volcano at different distances from its crater.
St. Helen's was ascended in 1889, when fumaroles were found on the northeast side.
When a volcanic mountain is for the time being passing from an active to an extinct condition, it is sometimes said to be in the fumarole stage, since the presence of the fumaroles are the only indication of its activity.
For the greater part, fumaroles are found on the edge of craters, but sometimes are found in cavernous places either in the crater or in the lava streams.
When it reaches a still greater decline, the fumaroles disappear, and only solfataras are left.
It is for this reason that fumaroles are only found around the craters of active volcanoes, or on the lines of cracks or crevices of the lava stream where the temperature is very high.
In volcanic islands, such as Simbo, the natives utilise the steam-holes or fumaroles for cooking their food.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "fumaroles" in a variety of sentences. We hope that you will now be able to make sentences using this word.
