occur around plate boundaries. Activity 2 2.1.1 Divergent boundary 2.1.2 Convergent boundary 2.1.3 Transform boundary 2.2.2 Divergent boundary Divergent boundaries cause oceanic ridges‚ valleys and lakes. Divergent boundaries can cause volcanic eruptions. Location: Basalt in (Mid-Atlantic Ridge‚ East-African Rift). Convergent boundary Leads to trenches valleys or coastal and intra-continental mountain ranges being formed convergent boundaries often lead to the
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million years ago before breaking apart. The three different types of plate boundaries are convergent‚ divergent‚ and transform. These plate boundaries form due to the earth’s outer shell called the lithosphere having multiple plates moving around each other within the earth’s surface‚ allowing them to collide‚ separate‚ or slide past each other. A convergent plate boundary is also known as a destructive plate boundary since two plates are colliding with each other.
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and finer grained material loaded onto the submerged continental margin. During the Mississippian the inactive tectonics became active convergent boundaries. The southeast coast of America was now on a collision course with a smaller plate once connected to Africa and South America‚ known as the Caribbean plate. For years and years to come following the convergent plate’s activities; thrust faults and folds piled up marine sediments and rocks‚ which resulted in an orogenic process which lead to the
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very long time. The last eruption was in 8051 BC. Mount Garibaldi began erupting about 250‚000 years ago and has grown steadily since then. Like most of the Cascade volcanoes‚ it has its own origins in the Cascadia subduction zone; a long convergent plate boundary that stretches from mid- Vancouver Island to Northern California. The first European to see the mountain in 1792‚ Captain George Vancouver‚ traded with the local natives in the area. When skiing became popular in the 1940s‚ Vancouver skiers
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plates were once part of a much larger plate called the _________ plate. 2. How long ago was this plate the dominate plate? 3. What plate(s) are the remnants of this former plate? 4. What kind of plate boundary exists between the Juan de Fuca and the North American plate? 5. What kind of plate boundary exists between the Pacific plate and the North American plate? 6. What tectonic process is ongoing between Baja California and the North American plate (Mexico)? 7. If the rate of divergence between
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condition for the magma to stay in a liquid state‚ it will cool and solidify into an igneous rock. The three main types of rocks can melt into magma and cool to form igneous rocks. The start of the cycle can be placed at the mid-ocean divergent boundaries where new magma is produced by mantle upwelling and a shallow melting zone. This new magma is the first phase of the igneous part of the cycle. The types of igneous rocks are Granite‚ Pumice‚ Obsidian‚ Andesite‚ Rhyolite and Basalt. There are large
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know the true story of how mountains are formed. Simply put‚ they are the result of tectonic forces or volcanism.’’(Universe 2016) The Ox Mountains are a fold mountain range. Fold Mountains are formed when two tectonic plates collide at convergent plate boundaries. During this process the less dense crust to float over the denser plate. The material is then forced upwards
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Earthquakes and Subduction Zones Lab Amy Paret Mrs. Igo 9th Grade Periods 3 and 4 Even Date: 2/14/13 Background Research: This lab uses earthquake data to construct profiles of two convergent boundaries: the Tonga Trench and the Peru-Chile Trench. Where two tectonic plates converge‚ if one or both of the plates is an oceanic lithosphere‚ a subduction zone will form. When crust is formed at a mid-ocean ridge‚ it is hot and buoyant meaning it has a low density. As it spreads away from the ridge and
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“These plates move relative to each other‚ typically at rates of 2-4 inches per year. As the plates move‚ they interact along their boundaries” (Plate Tectonics). In other words‚ the formation of geological features occur at the plate boundaries which is where plates slide and interact. There are four types of plate boundaries: divergent boundaries‚ convergent boundaries‚ transform
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fault zone‚ the Liquiñe-Ofqui Fault Zone (LOFZ) might include other neighboring faults such as Reigolil-Pirihueico Fault. The geology of Chile is a result of the Andean and preceding orogenies occurring on the western coast of South America‚ a convergent boundary of tectonic plates. Chile is an active earthquake zone with recent years seeing an increase in high
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