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Does Paricutin have basaltic lava or granitic lava?
Paricutin is a volcano in Michoacán, Mexico. The volcano is a cinder cone volcano. This means that the volcano is made up of layers of ash and stones that erupt out of the earth when the volcano erupts.
What kind of magma does Yellowstone have?
The magma is primarily granitic/rhyolitic, but there are occasional basaltic lava flows.
Magma that is low in silica and produces nonexplosive eruptions is called?
Magma that is low in silica and produces nonexplosive eruptions is called basaltic magma. As basaltic magma has a low viscosity due to its low silica content, it tends to flow more easily, resulting in nonexplosive eruptions with lava flows.
What type of lava does Mt Etna have?
Mt Etna, one of the most active volcanoes in the world, primarily produces basaltic lava. This type of lava is low in silica content, which makes it relatively fluid and able to flow long distances. Etna's eruptions can range from effusive, producing lava flows, to explosive, producing ash plumes and pyroclastic flows.
What are gentle slopes of basaltic lava flow?
Gentle slopes of basaltic lava flow refer to the gradual incline created by the movement of low-viscosity basaltic lava. These lava flows can extend over long distances and form smooth, undulating terrain due to their ability to spread out easily and flow for extensive distances before solidifying. This results in a characteristic gentle slope that is distinctive to basaltic lava flows.
How is basaltic lava different from granitic lava?
Basaltic lava is far less viscous, has less silica, erupts at a higher temperature and is denser than granitic lava (properly called rhyolitic lava when it is on the surface). Basaltic lava is composed primarily of pyroxenes and calcium rich plagioclase with small amounts of olivine. Rhyolitic lava primarily contains alkali feldspars and quartz.
Does Paricutin have basaltic lava or granitic lava?
Paricutin is a volcano in Michoacán, Mexico. The volcano is a cinder cone volcano. This means that the volcano is made up of layers of ash and stones that erupt out of the earth when the volcano erupts.
Which is volcanic lava rock basaltic or granitic?
The most common type of lava is basaltic. However some lavas may be andesitic or ryolitic. Rhyolite is the extrustive equivalent of granite.
What kind of magma does Yellowstone have?
The magma is primarily granitic/rhyolitic, but there are occasional basaltic lava flows.
Does basaltic or rhyolitic lava flow faster?
Basaltic lava flows much faster than ryholitic lava.
Does granitic lava come out of a cinder cone volcano?
No. Cinder cones erupr basaltic and occasionally andesitic lava. "Granitic" lava, called rhyolitic when it is erupted, erupts primarily from composite volcanoes (also called stratovolcanoes), and some caldera volcanoes.
Magma that is low in silica and produces nonexplosive eruptions is called?
Magma that is low in silica and produces nonexplosive eruptions is called basaltic magma. As basaltic magma has a low viscosity due to its low silica content, it tends to flow more easily, resulting in nonexplosive eruptions with lava flows.
What type of lava does Mt Etna have?
Mt Etna, one of the most active volcanoes in the world, primarily produces basaltic lava. This type of lava is low in silica content, which makes it relatively fluid and able to flow long distances. Etna's eruptions can range from effusive, producing lava flows, to explosive, producing ash plumes and pyroclastic flows.
What are gentle slopes of basaltic lava flow?
Gentle slopes of basaltic lava flow refer to the gradual incline created by the movement of low-viscosity basaltic lava. These lava flows can extend over long distances and form smooth, undulating terrain due to their ability to spread out easily and flow for extensive distances before solidifying. This results in a characteristic gentle slope that is distinctive to basaltic lava flows.
What kind of lava does a lava volcano have?
The textbook answer would be granitic or rhyolitic lava. In reality composite volcanoes are highly variable, erupting the full range from basaltic to rhyolitic (granitic) materal and everything in between includin andesite and dacite. One composite volcano in Africa erupts unique carbonatite lava.
What type of basaltic lava flow has a fairly smooth unfragmented ropy surface?
Pahoehoe lava flows exhibit a fairly smooth, unfragmented, and ropy surface. This type of basaltic lava flow has a characteristic appearance due to its low viscosity, which allows it to flow and solidify in a smooth manner.
Why is it that pahoehoe and AA lava are more frequent in shield volcanoes than in composite volcanoes?
Shield volcanoes have low viscosity basaltic lava, which typically creates pahoehoe and AA lava flows due to their ability to flow easily. Composite volcanoes have higher viscosity lava, such as andesitic or dacitic, which tend to form thicker and blockier lava flows rather than pahoehoe and AA flows.
