ARABIAN PLATE LEGEND Volcano Plate boundaries East African Rift Zone 76. What will occur near the Gulf of Aden as the tectonic activity within the East African Rift Zone continues? A. B. C. D. Sea water will flood the East African Rift Zone. A subduction zone will form along the Gulf of Aden. Volcanic activity in the East African Rift Zone will stop. The Arabian Plate will move south along transform
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the sediments to deposit deeper into the water forming sandstone. Weather phenomenon’s such as earthquakes and storms trigged submarine and surface landslides. This deposited limestone from the continental shelf to the continental slope‚ through subduction these rocks cemented together to form Limestone breccia‚ the current stone that supports the surrounding cliffs. The second major geologic force that formed Western Brook Ponds is glaciation and deglaciation. Glacial activity carved out the Ponds
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east‚ the Sierra rose upward. Rising far more steeply to the east than the west‚”(USGS). Likewise‚ Joel Michaelse‚ a professor emeritus of geography at the Earth Research Institute‚ states‚ “The Sierra granitic rocks were formed as a result of the subduction of a denser oceanic crustal plate beneath the western margin of the North American plate as the two plates collided.” (Michaelse). In short‚ the volcanoes set the soil and later the colliding plates helped to raise the ground leaving the white and
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closure of the Iapetus Ocean moved the passive margin further inland as the oceanic plate subducted under Laurentian plate (Stone‚ 2012) (figure 2). During this event‚ Franklinian basin probably transformed into a foreland basin as a result of the subduction of Iapetus Oceanic plate which preceded the formation of supercontinent Pannotia. Plate tectonic
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AEOLIAN LANDFORMS * Aeolian landforms (also spelled as eolian or æolian) are features of the Earth’s surface produced by either the erosive or constructive action of the wind. * This process is not unique to earth‚ and it has been observed and studied on other planets‚ including Mars. * The word derives from Æolus‚ the Greek god of the winds‚ and the son of Hellen and the nymph Orseis. * Aeolian processes pertain to wind activity in the study of geology and weather‚ and specifically
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2012) They are defined as: the divergent or pull-apart motion at spreading centers cause rock to fail in tension; the slide-past motion occurs as the rigid plates fracture and move around the curved Earth; and the convergent motion that occur at subduction zones and in continent-continent collisions store immense amounts of energy that are released in Earth’s largest tectonic earthquakes. (Abbott‚ 2012) Typhoons (Hurricane) are huge tropical cyclones in which heat is built up over long periods of
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1. What is Earth’s mantle? The mantle is a part of a terrestrial planet or other rocky body large enough to have differentiation by density. The interior of the Earth‚ similar to the other terrestrial planets‚ is chemically divided into layers. The mantle is a layer between the crust and the outer core. ... 2. What elements make up the Earth’s mantle? Magnesium‚ silicon‚ iron and oxygen‚ aluminum‚ silicon‚ calcium‚ sodium and potassium 3. Describe the “big splash” theory of the Moon’s origin? The
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Explain the differences between Basaltic‚ Rhyolitic and Andesitic volcanic eruptions with reference to processes‚ which lead to the eruptions‚ the type of volcano produced and the reasons for the differences between the material erupted by these volcanoes. Volcanic eruptions are caused by a red-hot liquid rock‚ called magma inside the earth’s core. Volcanoes erupt when magma rises to the surface of the earth‚ which causes bubbles of gas to appear in it. This gas can cause pressure to build up in
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GSCI Final Exam Study Guide Glaciers q 1-24 34% Text book p 570-587 Ice as a Rock - Mass of crystalline grains of the mineral ice - Like sedimentary: formed from material in deposited layers‚ can accumulate a great Thickness - Igneous: formed by the freezing of a fluid - Metamorphic: transformed by recrystallization under pressure - Flows readily downhill like a viscous fluid because of structural weakness - Glaciers: large masses of ice on land that show evidence of
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state of California. The range begins in the south at the Tehachapi Pass near Bakersfield and stretches north to Lake Almanor. The Sierra Nevada range is 400 miles long‚ north-to-south and has an average width of 70 miles wide. It was formed through subduction when the Pacific plate slid under the North American plate. The range is made up of deeply imbedded rock otherwise known as batholiths. The eastern slope of the mountains rose steeply which cause those slopes to be steep while the western sides
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