Geology of the Rocky Mountains Japan, Indonesia and the Aleutians; others are fragments of oceanic crust obducted onto the continental margin while others represent small isolated mid-oceanic islands. Magma generated above the subducting slab rose into the North American continental crust about inland. Great arc-shaped volcanic mountain ranges, known as the Sierran Arc, grew as lava and ash spewed out of dozens of individual volcanoes. Beneath the surface, great masses of molten rock were injected and hardened in place. For 270 million years, the effects of plate collisions were focused very near the edge of the North American plate boundary, far to the west of
The Ground Beneath Her Feet The Ground Beneath Her Feet The Ground Beneath Her Feet is Salman Rushdie's sixth novel. Published in 1999, it is a variation on the Orpheus/Eurydice myth with rock music replacing Orpheus' lyre. The myth works as a red thread from which the author sometimes strays, but to which he attaches an endless series of references. The book, while at its core detailing the love of two men, Ormus Cama and Umeed "Rai" Merchant (the narrator of the story), for the same woman, Vina Apsara, provides a background and alternate history to the entire 1950s–1990s period of the growth of rock