Somewhere in the basalt hills a lion roared, the sound carrying through the night until another responded.
And everywhere rose up the towers, lost in the clouds, and the castle was like a city, built upon a lofty rock of basalt.
There was finality miles deep and fixed as basalt in his tone.
The rocks consist chiefly of basalt, dolerite, melaphyre and felstone.
There was a swift current between two large boulders of basalt.
There is near this rock a lower one of an oblong form, its sides fluted with pillars; these columnar masses are basalt.
Many varieties of stone were used, but the preference was given to basalt.
He expressly states that basalt does not contain the slightest trace of animal or vegetable remains.
Behold, my flesh is solid as basalt, my bones are bars of steel!
Colonel Sykes does not, I believe, attempt to account for the stratification of the basalt; he merely describes it.
c.1600, from Late Latin basaltes, misspelling of Latin basanites "very hard stone," from Greek basanites "a species of slate used to test gold," from basanos "touchstone." Not connected with salt. Said by Pliny ["Historia," 36.58] to be an African word, perhaps Egyptian bauhan "slate." Any hard, very dark rock would do as a touchstone; the assayer compared the streak left by the alleged gold with that of real gold or baser metals. Hence Greek basanizein "to be put to the test, examined closely, cross-examined, to be put to torture."
A dark, fine-grained, igneous rock consisting mostly of plagioclase feldspar and pyroxene, and sometimes olivine. Basalt makes up most of the ocean floor and is the most common type of lava. It sometimes cools into characteristic hexagonal columns, as in the Giant's Causeway in Anterim, Northern Island. It is the fine-grained equivalent of gabbro.