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…, is the Deccan Traps. The Deccan Traps was a massive volcanic eruption that took place just about the time the dinosaurs died. So much lava was spewed in this eruption that the Himalayan Mountains were formed. Also, though, enough ash could have been thrown up…

…, for the extinction of the dinosaurs, is the “Deccan Trap” thoery. The Deccan Traps was a massive volcanic eruption that took place just about the time the dinosaurs died. So much lava was spewed in this eruption that the Himalayan Mountains were formed. Also, though…

…H. Hess and Robert S. Dietz. The theory says that new magmata inside of the Earth erupt from the mid-ocean ridge to form the new ocean crusts. Then the Earth's crust is continuously expanding along the oceanic ridges, on the other hand, the old ocean…

…Tsunamis have occurred on many occasions all around the world. Volcanic eruptions, landslides, earthquakes, and other natural disasters have caused these massive waves. A tsunami is a towering ocean wave generated by tectonic displacements…

…are large waves that crush up against the shore and can wash away people, buildings, and bridges. One other disaster is a volcanic eruption. A volcanic eruption can pour ash and lava all over the cities and can be a big disaster. Japan has about one tenth…

…range. Thus organisms are dated with respect to volcanic eruptions. There are a variety of other ways to date rock layers as well. One is to determine the magnetic fields in rocks from different geological eras. Another is the noting of the position…

…the fossil and above it are dated, resulting in a time range. Thus organisms are dated with respect to volcanic eruptions. There are a variety of other ways to date rock layers as well. One is to determine the magnetic fields in rocks from different…

…remains unknown, but because Venus lacks Earth's major plate tectonics it is speculated that every so often enough pressure builds up in the planet's interior to trigger a catastrophic eruption of all the planets volcanoes. This mass eruption then acts…

…; the eruption of Mount Vesuvius. In 79 A.D., flames from the volcano shot into the sky, and an immense black cloud covered the sun. For three days, volcanic matter rained down on Pompeii, making a blanket of fifteen to twenty feet over the area. The survivors who…

…is at risk from pollution and how people can protect it by careful planning and recycling. A volcanologist investigates volcanoes and volcanic eruptions. Many volcanologists in the United States work for the U.S. Geological Survey (USGS), which is a government…