Volcano were proposed for volcano behavior before the modern understanding of the Earth's mantle structure as a semisolid material was developed. For decades after awareness that compression and radioactive materials may be heat sources, their contributions were specifically discounted. Volcanic action was often attributed to chemical reactions and a thin layer of molten rock near the surface. Volcano A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. Earth's volcanoes occur because its crust is broken into 17 major,
Songs from Liquid Days Live", March 22, 1986. Stephen Holden of "The New York Times" wrote in 1986, Holden concludes, "But with all its charms, "Songs From Liquid Days" is still minor Glass." AllMusic wrote that ""Songs From Liquid Days" became Philip Glass' most popular and successful recording," and concluded that "Songs From Liquid Days may be their [the minimalist composers'] single greatest achievement." All songs feature the Philip Glass Ensemble under direction of Michael Riesman. Cover photo of Philip Glass is by Robert Mapplethorpe. Songs from Liquid Days Songs from Liquid Days is a collection of songs composed by composer Philip Glass with