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Lava Flows Earth Crust
1,090 wordsVolcano: defined is a mountain or hill formed by the accumulation of materials erupted through one or more openings (called volcanic vents) in the earth's surface. The term volcano can also refer to the vents themselves. Most volcanoes have steep sides, but some can be gently sloping mountains or even flat tablelands, plateaus, or plains. The volcanoes above sea level are the best known, but the vast majority of the world's volcanoes lie beneath the sea, formed along the global oceanic ridge sys...
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Lava Flows Mount St
1,066 words... on of material into the air. Nonexplosive eruptions produce lava flows and eject very little pyroclastic material into the air. Explosive eruptions can eject liquid and semisolid lava as well as solid fragments of volcanic or nonvolcanic rock that have been carried along by the rising magma before eruption. Very violent explosive eruptions are called Plin ian eruptions, after Roman naturalist Pliny the Elder. These eruptions can last for several hours to days and eject a large amount of pyro...
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Surface Of Mars Olympus Mons
1,529 wordsNamed after the Roman God of war, Mars has sparked and sustained curiosity than any other planet in our solar system. Astronomers and Geologist have studied the surface of Mars dating back to 1965 when Mariner 4 swept by the planet. Photographs of the planet showed a barren surface scarred by numerous craters. It wasnt until 1976 that scientist got their first glimpse of the Martian Landscape from its surface. As we take a closer look at Mars we may find many similarities as well as differences ...
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Feet Above Sea Level Mauna Loa
580 wordsMauna Loa, which directly translated from Hawaiian means "Long Mountain", refers to a volcano located in the South Pacific. It is one of the largest volcanoes in the world and makes up a large portion of the island we know as Hawaii. Since its birth, somewhere between 700, 000 and 1, 000, 000 years ago, Mauna Loa has grown to over 13, 680 feet above sea level. To this day, Mauna Loa continues to be one of the most studied volcanoes in the world. Mauna Loa is an example of a shield volcano, resul...
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Lava Flows Shield Volcanoes
1,961 wordsA volcano is a mountain or hill formed by the accumulation of materials erupted through one or more openings in the earth's surface. Most volcanoes have steep sides but sometimes they can slope down or even be flat. The volcanoes above sea level are the best known, but the most volcanoes lie beneath the sea, formed along the global oceanic ridge. Volcanic eruptions in populated regions are a significant threat to people, property, and agriculture. The danger is mostly from fast-moving, hot flows...
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One Hundred Years Mauna Loa
1,337 wordsViewing an erupting volcano is a memorable experience; one that has inspired fear, superstition, worship, curiosity, and fascination throughout the history of mankind. The active Hawaiian volcanoes have received special attention worldwide because of their frequent spectacular eruptions, which can be viewed and studied with a relative ease and safety. The island of Hawaii is composed of five volcanoes, three of which have been active within the past two hundred years. Kilauea's latest eruption s...
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Lava Flows Hot Spot
448 wordsMt. Kilauea is one of the worlds most active volcanoes. The Hawaiian name Kilauea means spewing or much spreading. Located on the big island of Hawaii, it has had 61 major eruptions in its huge lifetime. Mt. Kilauea has an elevation of 4, 200 feet and has an area that consists of 552 square miles. Common questions asked about Kilauea are: What kinds of forces cause Mt. Kilauea erupt constantly over a long period of time, and why dont any other volcanoes do this? In response, the answers to these...
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Lava Flows Mount St
941 wordsThe plates which are about 20 miles thick, make up the earth's crust and are a chief cause of volcanic activity. These plates are always in motion. They move very slowly, however some at times bump in to each other. These movements put a lot of pressure on the surface rock. Volcanoes obtain their energies from such movement and pressure. Volcanoes form at the boundaries of these plate where two types of movement occurs, two plates will collide with each other or the plates will move apart from e...
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Shield Volcanoes Plate Tectonics
1,406 wordsWhen there is a sudden breaking of rocks within the earth or an explosion, wave like energy travels through the earth and is recorded on seismographs. These are called seismic waves and they are of two types: body waves and surface waves categorized into different kinds. What we will be discussing are body waves; there are two types of body waves: primary waves (P waves) and secondary waves (S waves). Both kinds travel through the Earths interior in all directions and arrive before the surface w...
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Taking Into Account Lava Flows
1,159 wordsWhat event occurred at the division between the Triassic and Jurassic periods, and why was this important to the dinosaurs? The extinction is a topic that now requires rather more digging than talking. The Triassic and Jurassic periods were remarked by changes that influenced both: relief and biologic forms of life. The dinosaurs were the most typical representatives of fauna for the Triassic and Jurassic periods. These periods are characterized by tectonic activity, worsening of climate conditi...
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Million Years Ago Millions Of Years
923 wordsReptiles Enjoyed Warm Arctic (Global Warming) An article written by ABC News writer Kenneth Chang discusses the change in climate of the arctic from ninety million years ago. Seven hundred miles from the North Pole, lies an island called Axel Heiberg, a barren land that scientists have dug up fossil bones of a cold-blooded reptile known as a champsosaur. How does this happen in an arctic, freezing land? How does a reptile that needs the warmth of the sun to survive, live in a frigid climate? Wel...
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Million Years Ago Mass Extinction
10,014 wordsEarth probably began Extinction Introduction Earth probably began about 4. 5 billion years ago. A history of this life on Earth is recorded in fossil remains and traces of past life. It is a record of evolution for both life and the planet. Life and the planet have co-evolved, with life causing changes to the planet which in turn drive changes in life. The Fossil Record A history of these changes is recorded in the layers or strata of rock laid down over the millions of years, and by changes in ...
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Millions Of Dollars Lava Flows
1,235 wordsVolcano's occur all over the world. The best know volcano zones occur on the destructive plate margin around the Pacific Ring of Fire. This chain of volcano's that lie along the west coast of central and south America, Japan and the Philippines, across New Zealand and into the Atlantic. Volcano's also occur in mid-ocean along the line of ocean ridges. The Mid-Atlantic Ridge is an example of ocean floor volcano's. When these volcano's erupt lava flows from the cracks building up the ocean floor. ...
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Lava Flows Earths Atmosphere
2,015 wordsThe Mercury Report Mercury Report The magnificent planet Mercury is the planet I have chosen to research. I this report I have explained all there is to know about Mercury and its aura. The Romans gave Mercury its name after the fleet-footed messenger of the gods because it seemed to move quicker than any other planet. It is the closest planet to the Sun, and second smallest planet in the solar system. Its diameter is 40 % smaller than Earth and 40 % larger than the Moon. It is even smaller than...
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Lava Flows Mount St
656 wordsMount Adams is one of the largest volcanoes in the Cascade Range, it is way bigger then any of the surrounding mountains. Mount Adams has been less active during the past few thousand years than its neighboring mountains of St. Helens, Rainier, and Mt. Hood, it will erupt again. In the future the eruptions will probably happen more often from vents on the summit and upper sides of Mount Adams than from vents scattered in the volcanic fields beyond. Large landslides and lahars that don? t need to...
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