Thesis: Many geologists find the main categories of volcanoes including cinder cones, composite, shield, and lava domes are essential aspects of understanding the structure of volcanoes.
Topic #1: The Explanation of Volcanoes
1. “A volcano is a rupture in the Earth’s crust which allows magma/ash/gases to escape from beneath the surface. When magma reaches the surface of the Earth, it is called lava” ().
2. Volcanoes happen around the frame of tectonic plates, causing the plates to move away or crash into one another.
3. When material is much warmer than its atmosphere, and explodes onto the base of a planet or moon from the inside, a volcano occurs.
Topic #2: What Causes a Volcano to Erupt?
1. Magma is released when melting of the earth's …show more content…
After the rock inside the earth melts, the mass stays the same while its volume increases resulting in melt that is less substantial than the rock that surrounds it.
Topic #3: Cinder Cones
1. Forms Strombolian eruptions that produce basalt tephra’s eruptive columns ().
2. They are different from other volcanoes, as they contain very large craters at the top as well as straight sides.
3. Typically found on the body of calderas, shield volcanoes and stratovolcanoes. ()
Topic #4: Composite Volcanoes
1. Sharp, large proportional cones that are made of rotating layers of flowing lava, volcanic ash, cinders, blocks, that have the ability to rise higher than 8,000 feet from where they started ().
2. Examples of Composite volcanoes are, Mount Fuji in Japan, Mount Cotopaxi in Ecuador, and Mount Shasta in California.
3. Most composite volcanoes have a crater at the peak, containing a central vent or a clustered group of vents ().
Topic #5: Shield Volcanoes
1. Made up of a significant amount of basalt, which is a type of lava that turns to a liquid when it erupts.
2. Increased supply of magma results in shield volcanoes.
3. Examples of Shield volcanoes are Kilauea and Mauna Loa, located in Hawaii.
Topic #6: Lava
Topic #1: The Explanation of Volcanoes
1. “A volcano is a rupture in the Earth’s crust which allows magma/ash/gases to escape from beneath the surface. When magma reaches the surface of the Earth, it is called lava” ().
2. Volcanoes happen around the frame of tectonic plates, causing the plates to move away or crash into one another.
3. When material is much warmer than its atmosphere, and explodes onto the base of a planet or moon from the inside, a volcano occurs.
Topic #2: What Causes a Volcano to Erupt?
1. Magma is released when melting of the earth's …show more content…
After the rock inside the earth melts, the mass stays the same while its volume increases resulting in melt that is less substantial than the rock that surrounds it.
Topic #3: Cinder Cones
1. Forms Strombolian eruptions that produce basalt tephra’s eruptive columns ().
2. They are different from other volcanoes, as they contain very large craters at the top as well as straight sides.
3. Typically found on the body of calderas, shield volcanoes and stratovolcanoes. ()
Topic #4: Composite Volcanoes
1. Sharp, large proportional cones that are made of rotating layers of flowing lava, volcanic ash, cinders, blocks, that have the ability to rise higher than 8,000 feet from where they started ().
2. Examples of Composite volcanoes are, Mount Fuji in Japan, Mount Cotopaxi in Ecuador, and Mount Shasta in California.
3. Most composite volcanoes have a crater at the peak, containing a central vent or a clustered group of vents ().
Topic #5: Shield Volcanoes
1. Made up of a significant amount of basalt, which is a type of lava that turns to a liquid when it erupts.
2. Increased supply of magma results in shield volcanoes.
3. Examples of Shield volcanoes are Kilauea and Mauna Loa, located in Hawaii.
Topic #6: Lava