Volcano
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Magma | show 🗑
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| show | volcanic activity or phenomena.
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| show | hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.
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| Hot Spot | show 🗑
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| Ring of Fire | show 🗑
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| show | Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced or sinks due to gravity into the mantle.
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| show | An island arc is a type of archipelago, often composed of a chain of volcanoes, with arc-shaped alignment, situated parallel and close to a boundary between two converging tectonic plates.
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| show | a long, narrow opening or line of breakage made by cracking or splitting, especially in rock or earth.
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| Mantle Plume | show 🗑
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| Pluton | show 🗑
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| Batholith | show 🗑
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| show | a long wall or embankment built to prevent flooding from the sea.
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| show | Mafic is an adjective describing a silicate mineral or igneous rock that is rich in magnesium and iron, and is thus a portmanteau of magnesium and ferric.
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| Felsic | show 🗑
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| show | The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. For liquids, it corresponds to the informal concept of "thickness"; for example, honey has a much higher viscosity than water.
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| Quiet Eruption | show 🗑
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| Pahoehoe Lava | show 🗑
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| Aa lava | show 🗑
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| Blocky lava | show 🗑
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| show | An explosive eruption is a volcanic term to describe a violent, explosive type of eruption. Mount St. Helens in 1980 is an example.
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| Pyroclastic material | show 🗑
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| Volcanic ash | show 🗑
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| Volcanic dust | show 🗑
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| show | rock fragments ejected from a volcano.
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| Volcanic bomb | show 🗑
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| show | A volcanic block is a fragment of rock that measures more than 64 mm (2.5 in) in diameter and is erupted in a solid condition. Blocks are formed from material from previous eruptions.
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| Shield volcano | show 🗑
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| show | A cinder cone or scoria cone is a steep conical hill of loose pyroclastic fragments, such as either volcanic clinkers, cinders, volcanic ash, or scoria that has been built around a volcanic vent.
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| Composite volcano | show 🗑
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| Caldera | show 🗑
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