Geology of the United States A slice of the Earth from the Pacific Ocean through the Pacific Northwest might look something like the adjacent image. Beneath the Cascades, a dense oceanic plate plunges beneath the North American Plate; a process known as subduction. As the oceanic slab sinks deep into the Earth's interior beneath the continental plate, high temperatures and pressures allow water molecules locked in the minerals of solid rock to escape. The water vapor rises into the pliable mantle above the subducting plate, causing some of the mantle to melt. This newly formed magma rises toward the Earth's surface to erupt, forming a
Battle Beneath the Earth Battle Beneath the Earth Battle Beneath the Earth (1967) is a British spy film starring Kerwin Mathews. It was released by Metro-Goldwyn-Mayer. The film also features character actor Ed Bishop, who later went on to star in the Gerry Anderson cult TV show "UFO". The plot involves rogue elements of the communist Chinese army who use fantastic burrowing machines in an effort to place atomic bombs under major U.S. cities. The U.S. Navy sends troops underground to combat them. The film has been described as "deliriously paranoid". The movie received a VHS home-video release in the early 1980s. It was