what type of volcano is formed at a weak spot in the middle of a plate?
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- --Man of La Mancha. Shield volcanoes are often formed over hotspots that are independent of plate boundaries... thus, at a weak spot that could be in the middle of a plate. Shield volcanoes are often formed over hotspots that are independent of plate boundaries...
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Philippine International Hot Air Balloon Fiesta The 21st Philippine International Hot Air Balloon Fiesta showcased 30 colorful balloons from USA, Canada, Switzerland, Sweden, Belgium, Germany, United Kingdom, Netherlands, Hungary, Turkey, China, Japan, Thailand, and the Philippines.
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Submarine Volcanoes at Divergent Plate Boundaries Submarine Volcanoes at Divergent Plate Boundaries. A section of the mid-Atlantic Ridge where the African and South American Plates are created. A rift valley over a mile (2 km) deep marks the axis of the ridge. Depths range from 1900 (pink) to 4200 meters (dark blue). Image used with permission of Ken Macdonald.
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How Volcanoes Work Volcano Formation. Magma can also push up under the middle of a lithosphere plate, though this is much less common than magma production around plate boundaries. This interplate volcanic activity is caused by unusually hot mantle material forming in the lower mantle and pushing up into the upper mantle.
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Hot Spot Volcanism Hot Spot volcanoes are recognized by an age progression from one end of the chain to the other. An active volcano commonly serves as an anchor at one end of the chain. The most studied and best well-known hot spot volcanoes and seamounts define the Hawaii-Emperor volcanic chain.The origin and evolution of Hawiian volcanoes, seamounts, and guyots are described in the Hawaiian Volcano Lessons. volcano above a hot spot does not erupt forever. Eventually the movement of the tectonic plate carries the volcano off of its magma supply. The volcano becomes extinct and cools. The plate beneath the volcano (and above the hot spot) also cools.
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The Forces that Change the Face of Earth Most volcanoes occur at plate boundaries, where two plates are moving away (diverging) or together (converging). A few volcanoes like the Hawaiian Islands form from a hot spot, or a weak spot in earth’s crust, where magma forces its way to the surface. Volcanic eruptions may be explosive (violent) or effusive (passive), depending on the lava chemistry (amounts of silica and dissolved gases).
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- The type of tectonics where volcanoes occur are continental rift  volcanism, hot spot, and continental volcanic arc. The other  tectonics are subduction zones and rift valle … ys on a continental  crust.Answered.olcanoes typically are found at convergent boundaries and  divergent boundaries, like the Ring of Fire around the Pacific  Plate. Hot spots around the world account for the … third place where  volcanoes can occur. 1 person found this useful.
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Volcanoes related to plateboundaries The rising subduction-zone magma is probably basaltic in composition and is formed by the partial melting of mantle rocks. As the rising magma moves slowly up through the continental crust of the overriding plate, however, two things may occur to increase significantly the silica content of the magma.
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Why Do so Many of Earth's Volcanoes Occur Along Plate Boundaries? A: Plate boundaries are the weakest points in the Earth's crust, which leads to cracks that allow magma to seep through and develop volcanoes, according to NEWTON. These areas are called subduction zones.. Subduction zones form the Ring of Fire, a volcanic region in the Pacific Ocean, explains Live Science.
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- In areas where the plates come together, sometimes volcanoes will form. Volcanoes can also form in the middle of a plate, where magma rises upward until it erupts on the sea floor, at what is called a “hot spot.”. The Hawaiian Islands were formed by such a hot spot occurring in the middle of the Pacific Plate.While the hot spot itself is fixed, the plate is moving. So, as the plate moved over the hot spot, the string of islands that make up the Hawaiian Island chain were formed.The Hawaiian Islands form an archipelago that extends over a vast area of the North Pacific Ocean.o, as the plate moved over the hot spot, the string of islands that make up the Hawaiian Island chain were formed. The Hawaiian Islands form an archipelago that extends over a vast area of the North Pacific Ocean.
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- The Battle of Zama was fought during the Second Punic War in late October 202 BC and saw Hannibal defeated by the Romans led by Scipio Africanus. The Battle of Zama was fought during the Second Punic War in late October 202 BC and saw Hannibal defeated by the Romans led by Scipio Africanus.
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- Rift volcanoes occur where tectonic plates diverge, often on the ocean floor. These are generally less explosive. Hot spot volcanoes occur in the middle of plate boundaries where magma exits from weaknesses in the earth's surface. The Hawaiian Islands are an example of hot spot volcanoes.
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What are examples of a volcano? A hot spot volcano forms in the middle of plates far from any plate boundaries. Strictly speaking, hot spots can form anywhere, including at plate boundaries (a good example i…s the hotspot under Iceland which coincides with the Mid-Atlantic-Ridge).
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Volcanoes Each island was formed one at a time over a hot spot. As the plate above the hot spot moved, a new volcano (and new island) was formed. The youngest island, the big island of Hawaii, is now above the hot spot, and this is where Hawaii's active volcanoes are located.
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- A volcano is a landform created by magma from the earth's interior which penetrates through weaknesses in the Earths surface. Most volcanoes are formed at plate boundaries. They are classed in one of three categories of activity: active, dormant or extinct.
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Types Of Volcanoes At Divergent Boundaries Shield volcano is a type of volcano found at the divergent boundaries. SPREADING CENTER VOLCANOES. The type of volcanoes that are caused by diverging plate boundaries are called as spreading center volcanoes.When the tectonic plates drift apart from each other, the magma contents buried underneath rises upwards and erupts out through the fissures and openings on the crust.he type of volcanoes that are caused by diverging plate boundaries are called as spreading center volcanoes. When the tectonic plates drift apart from each other, the magma contents buried underneath rises upwards and erupts out through the fissures and openings on the crust.
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- 3. Volcanoes at Hot Spots Less commonly, volcanoes can form over a hot spot in the middle of a tectonic plate. A hot spot is an area where hot magma comes very close to the surface. Heat from the magma melts the rock above it, forming volcanic mountains.
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- (Most volcanic rocks are basalt) •According to plate tectonic theory, most magmas form in the following settings: –Subduction zones, along convergent plate boundaries–Rift zones, along divergent plate boundaries–Mantle plumes (hot spots) Subduction ZonesRift Zone Mantle Plume.
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- Subduction Zones. Where two tectonic plates converge, if one or both of the plates is oceanic lithosphere, a subduction zone will form. An oceanic plate will sink back into the mantle. Remember, oceanic plates are formed from mantle material at midocean ridges.
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- These volcanoes form classic cone shapes. Some volcanoes are found at great distances from plate boundaries and are referred to as intraplate, within plate or hot spot volcanoes. These form above hot mantle upwellings or plumes which rise from great depths.
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Hawaii: Geology, Plate Tectonics/Hot Spot Hawaii: Geology, Plate Tectonics/Hot Spot An artist's diagram of a cross sectional view of Hawaii. Hawaii is geologically a unique place on Earth because it is caused by a 'hot spot.' Most islands are found at tectonic plate boundaries either from spreading centers (like Iceland) or from subduction zones (like the Aleutian Islands). There are few 'hot spots' on Earth and the one under Hawaii is right in the middle of one of the largest crustal plates on Earth - the Pacific Plate.
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Geology of the Fuji Volcano Stratovolcanoes tend to have many vents including cinder cones and domes found low on all sides of the volcano. Classifying the Three Main Types of Volcanoes explains volcanic types in detail. Tectonic Plates. Mt. Fuji sits on a subduction zone of tectonic plates where the Philippine plate is sinking beneath Japan. A tear in the Philippine plate was discovered by scientists at the University of Kyoto, allowing high volumes of mantle to keep Mt. Fuji’s magma chamber filled.
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Chapter 6: Volcanoes & Other Igneous Activity Volcano that erupts mafic lava from linear pipes/vents and deposits sheet basalts. Fissures are usually found in or along rifts and rift zones, such as Iceland and the East African Rift. Fissure vents are often part of the structure of shield volcanoes.
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Plate Tectonics and the Hawaiian Hot Spot Hawaiian volcanoes, however, occur in the middle of the Pacific Plate and are formed by volcanism over the Hawaiian Hot Spot (see text). Only some of the Earth's more than 500 active volcanoes are shown here (red triangles). USGS Image.
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- If the hot spot is under an oceanic plate, the hot spot can form a volcano called a shield volcano. This type of volcano builds in size as the lava being forced out cools and builds upon itself. This type of volcano can eventually grow large enough to break the surface of the water.ot spots often erupt continually and the lava creates basaltic rocks. There are cases in which the eruptions of hot spot volcanoes can be very explosive. This is due to the strength and weight of the rock and earth covering the volcano's mouth and the pressure accumulated by a lack of escape routes.
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Volcano Types Most composite volcanoes have a crater at the summit which contains a central vent or a clustered group of vents. Lava either flow through breaks in the crater wall or from fissures on the flanks of the cone. Lava, solidified within the fissures, form dikes that act as ribs which help to strengthen the cone.