adenoids
Example Sentences
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The rocks are all of igneous origin, but of very different ages, traps, basalts, amygdaloids, tufas, ochres, and porous lavas.
From The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation — Volume 01 by Hakluyt, Richard
The porphyries containing vitreous feldspar and hornblende, the phonolite, the greenstone, the amygdaloids, and the basalt, have forms almost as invariable as simple crystallized substances.
From Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 by Ross, Thomasina
The porphyritic conglomerate being purple or reddish, even when alternating with dusty- coloured or bright green porphyries and amygdaloids, is probably an analogous circumstance to the scoriae of the blackish basalts being often bright red.
From Geological Observations on South America by Darwin, Charles
The basis of these lower lavas is rather wacke than basalt; when it is spongy, it resembles the amygdaloids* of Frankfort-on-the-Main.
From Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 by Ross, Thomasina
The hollows in some of the fragments of vesicular lava of which the breccias and conglomerates are composed are partially filled with calc-sinter, being thus half converted into amygdaloids.
From The Student's Elements of Geology by Lyell, Charles, Sir
