nded180 Earthquakes and Volcanoes bodies, known as volcanic bombs. Occasionallya very liquid lava may be caught by the wind,and drawn out into delicate fibres, like spunglass; this beautiful form is very abundant inKilauea, a volcano in Hawaii, one of the Sand-wich Islands, where it is known as… … Fig. 52.—Breached Volcanic Cones, Auvergne the name of obsidian. This kind of lava waslargely used by the ancient Mexicans for makingrude knives and other cutting instruments; anda hill in northern Mexico, formerly worked forthis material, is still known as the Cerro deNavajas (Spanish Hill of…
Astronomy · Geology
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