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
What Lies Beneath World Tour What Lies Beneath World Tour What Lies Beneath World Tour is the second world tour by Finnish soprano Tarja Turunen to promote her third album, "What Lies Beneath", released by Universal Music on September 1, 2010. Tarja started the tour performing in several metal festivals in Europe, including the Wacken Open Air in Germany and the Graspop Metal Meeting in Belgium, with special concerts at Miskolc Opera Festival and at the Masters of Rock, where she performed accompanied by a full philarmonic orchestra and choir. Also in 2010 Tarja played a European tour and supported Alice Cooper in 9 concerts