the Earth is when the Professor‚ Axel and Hans managed to come out of the earth uninjured and alive. They could have easily when been hurt or died as they were only on a raft and were thrown out of an erupting volcano. They landed uninjured in Sicily which is 3‚000 miles away from Iceland where they started their journey. It is a happy event as they had successfully journeyed to the centre to the earth and lived to tell the tale of their adventure. Based on one graphic novel‚ write about an event
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South American Plates. As the mantle rises towards the surface below the ridge the pressure is lowered (decompression) and the hot rock starts to partially melt. This produces basaltic volcanoes when an eruption occurs above the surface (Eyjafjallajökull in Iceland) and characteristic basalt “pillow lava” in underwater eruptions. In this way‚ as the plates move further apart new ocean lithosphere is formed at the ridge and the ocean basin gets wider. This process is known as “sea floor spreading” and
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of the earth through a volcano. Even though they never reached the center‚ they did discover several things. The story began when Professor Lidenbrock brought home an old manuscript. He and his nephew Axel discovered that the manuscript was written by a famous Icelandic alchemist during the 16th century. They find it says that if they enter a certain volcano near the end of June‚ they would be able to reach the center of the Earth. Axel and his uncle went to Iceland. Where they met up with
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Volcanoes A volcano is an opening‚ or rupture‚ in the surface or crust of the Earth or a planetary mass object‚ which allows hot lava‚ volcanic ash and gases to escape from the magma chamber below the surface. The word volcano is derived from the name of Volcano‚ a volcanic island in the Aeolian Islands of Italy whose name in turn originates from Vulcan‚ the name of a god of fire in Roman mythology. The study of volcanoes is called volcanology. Divergent plate boundaries: At the mid-oceanic ridges
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The Positive and Negative Effects of Volcanic Eruptions Alyssa Iferenta A volcano is an opening in the earth’s crust were magma from deep inside the earth forces its way to the surface. Once the volcano erupts the magma is called lava. Volcanic eruptions have positive and negative effects. For example the lava flow can cause complete chaocs and dismantle villages‚ but once the lava decompses it create extermely fertile soil. Volcanic eruptions throughout history have been known to cause mass
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Volcanoes Fimmvorduhals‚ Iceland - Fig 1 Fimmvorduhals‚ Iceland - Fig 1 The majority of geological tourist attractions tend to be in areas of volcanic activity both active and extinct; such features include the volcanoes themselves‚ geysers and hot springs‚ plateaus‚ calderas and crater lakes. All areas of volcanic activity present a variety of hazards for tourists including poisonous gases‚ lava flows and tephra (see Table 1). Table 1 – Potential hazards threatening volcano tourists | Hazard |
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fissures‚ which are now preserved as? -Dikes 3. Remove crystals from an andesitic magma and you will get? -A more felsic residual melt 4. Which of the following types of volcanoes is typically the largest in terms of overall volume? -Shield Volcano 5. What minerals are involved in the continuous part of Bowen’s Reaction Series? -Plagioclase Feldspar 6. Which of the following minerals (as shown by their chemical formulae) has a neutral (zero) charge given that Si= +4‚ Al= +3‚ Ca= +2‚
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The pyroclastic flow is a dense‚ destructive mass of very hot ash‚ lava fragments‚ and gases ejected explosively from a volcano and typically flowing downslope at great speed. For example‚ on Ma 18‚ 1980‚ Mount St Helens erupted‚ causing the pyroclastic flow to destroy everything in its path. Also‚ pyroclastic flow can be up to 1‚500 degrees Fahrenheit and can move 100-150
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by volcanoes around the world (40 marks) A hazard is defined as something which has the potential to kill or cause harm. However a hazard is only a risk to people if they are exposed to it. This is when a hazard can cause disasters. For example‚ a volcano is only a hazard if the population comes in contact with the consequences of its activity. Hazards and their likeliness to become disasters can depend on many different factors‚ for example how developed a country exposed to the hazard is‚ the size
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Geological Hazards Plate Tectonics- Theory Alfred Wegener Crust- Solid Mantle- Liquid Outer Core- Liquid Inner Core- Solid (Too much pressure for it to be liquid. Doesn’t have the space to expand.) Convections cells- Due to the pressure in the earth’s core‚ when it heats up the pressure causes the heat to push against the earth’s mantle‚ triggering it to move‚ caused by convection currents. Convection Currents- it’s a concept of what causes the plate tectonics to move. http://www.scotese
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