Stromboli, Italy Volcanoes are the most dramatic and rapid agents of geologic change.
Generally, volcanoes are found on divergent or convergent tectonic plates American Museum of Natural History, For instance, the Mid-Atlantic Ridge is because of the divergent tectonic plates. On the other hand, Pacific Ring of Fire is because of the tectonic plates that are convergent in nature American Museum of Natural History, The aim of this paper is to analyse the different types of volcanoes in the lights of broad and diverse academic resources.
Overview Volcanoes are considered to be holes, gaps or vents that are present in the crust of the Earth. They are formed because of upward movement of the molten lava that comes on the surface of the earth Marti and Ernst, The molten lava or magma is assembled in a cavity, which is found beneath the surface of the earth.
As the pressure increases at such a rate that it goes upwards by means of fissures or gaps and a channel to the top most layer of the earth is created.
Magma contains hot gases, which make attempts to escape but are entrapped inside the magma Cambridge Encyclopedia, As the pressure crosses its limit, the surface of the earth bulges and hence, the volcano erupts.
Research suggests that the volcano has the tendency to erupt several times during its lifetime. The continuous eruptions gradually develop itself into a cone shaped mountain.
The center of the cone shaped mountain has an opening, which is known as the central vent. There is a possibility that smaller openings may be present CNN World, The powerful eruption depends on the quantity of gas found in the magma.
This means that higher the concentration of gases, higher would be the explosion and vice versa. The largest volcano can be found in the island of Hawaii.
The total height of Mauna Kea above sea level is about thirty thousand feet. Types of Volcanoes Volcanoes are considered to be holes, gaps or vents that are present in the crust of the Earth.
They are formed because of upward movement of the molten lava that comes on the surface of the earth. Magma contains hot gases, which make attempts to escape but are entrapped inside the magma Macdonald and Agatin, Following are the most common types of volcanoes: They form when the particles of the lava explode from the opening of the volcano.
The lava blows into the air and its cooled pieces return and settle all over the vent. Slowly and gradually, the volcano develops a circular of oval shape in the form of a cone Keller, At the top, it has crater, which is in bowl shape.
The height of this type of volcano is generally not larger than one thousand feet. This type of volcano is represents the shape of hill, which is steep and conical. The fragments of the volcano are known to gather all around the volcanic vent Macdonald and Agatin, The fragments of the rock are referred to be as cinders and are glassy.
They are known to have several frozen gas bubbles. The material of the cinder cones is pyroclastic.
Several of these volcanoes have a crater, which is bowled shape. Once the crater reaches its peak limit, the walls left behind assume the shape of an amphitheatre around the opening. These types of volcanoes are present on the sides of stratovolcanoes, calderas and shield volcanoes.
According to geologists, Mauna Kea, which is considered to be shield volcano, has more than ninety cinder cones. Paricutin is known to be one of the most popular cinder cone volcanos and its height is about meters. This Cinder Cone is found in Mexico.
Nicaragua is the home of one the most active Cinder Cone, which is known as Cerro Negro Griggs, Composite Volcanoes Stratovolcano or composite volcano is known to be a conical shaped volcano, which is tall.An Analysis of Different Types of Volcano and Its Role in Earth PAGES 1.
WORDS View Full Essay. More essays like this: volcanoes, types of volcanoes, role of volcanoes, the ring of fire. Not sure what I'd do without @Kibin - Alfredo Alvarez, student @ Miami University.
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Of note, the Nuclear Waste Policy Act (NWPA) limit for Yucca Mountain is 70, metric tonnes heavy metal (MTHM). And based on a DOE decision, 90%, or 63, MTHM would be commercial and 7, MTHM would be defense waste. As the pressure crosses its limit, the surface of the earth bulges and hence, the volcano erupts.
Research suggests that the volcano has the tendency to erupt several times during its lifetime. Following are the most common types of volcanoes: Cinder Cone Volcanoes.
Cinder Cone Volcanoes are considered to be simple volcanoes. Geology: Geology, the fields of study concerned with the solid Earth. Included are sciences such as mineralogy, geodesy, and stratigraphy. An introduction to the geochemical and geophysical sciences logically begins with mineralogy, because Earth’s rocks are composed of .
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