Shield volcano are cave-like volcanic straights formed by the hardening of overlaying lava. These structures help further the propagation of lava, as the walls of the tube insulates the lava within. Lava tubes can account for a large portion of shield volcano activity; for example, an estimated 58% of the lava forming Kīlauea comes from lava tubes. In some shield volcano eruptions, basaltic lava pours out of a long fissure instead of a central vent, and shrouds the countryside with a long band of volcanic material in the form of a broad plateau. Plateaus of this type exist in Iceland, Washington, Oregon,
Under the Volcano back in time to trace the writer's life. Selections from Lowry's novel are read by Richard Burton amid images shot in Mexico, the United States, Canada and England. The novel was the inspiration for the 1971 song "The Consul At Sunset" by Jack Bruce and Pete Brown, as well as the 1987 song "Back Room of the Bar" by The Young Fresh Fellows. Citations to "Under the Volcano" from the Harper Perennial Modern Classics 2007 edition. Under the Volcano Under the Volcano is a novel by English writer Malcolm Lowry (1909–1957) published in 1947. The novel tells the story of