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Why are Hawaiian volcanoes shield volcanoes?
Hawaiian volcanoes are shield volcanoes because they are characterized by their broad, gently sloping shape resembling a warrior's shield. This is due to the low viscosity of the basaltic lava they erupt, allowing it to flow easily and travel long distances before solidifying. As a result, shield volcanoes tend to build up gradually over time with successive eruptions, creating their distinctive shape.
What type of rock makes shield volcanoes?
Shield volcanoes are typically formed from basaltic lava flows, which are low in silica content and very fluid. This type of lava allows for the gradual buildup of wide, gently sloping volcanic cones characteristic of shield volcanoes.
Basaltic volcano with gently sloping sides are called?
Shield volcanoes. They are characterized by their broad, low-profile shape that resembles a warrior's shield. They are formed by the high volume of low-viscosity basaltic lava that flows easily and spreads out over a large area, creating the gentle slopes.
What type of volcano is Hawaii?
Hawaii has shield volcanoes, which are broad, gently sloping volcanoes characterized by eruptions of relatively fluid lava that creates a wide base. These volcanoes are formed by repeated eruptions of low viscosity basaltic magma.
What type of lava do shield volcano have?
Mafic, usually basaltic lava.
Why are Hawaiian volcanoes shield volcanoes?
Hawaiian volcanoes are shield volcanoes because they are characterized by their broad, gently sloping shape resembling a warrior's shield. This is due to the low viscosity of the basaltic lava they erupt, allowing it to flow easily and travel long distances before solidifying. As a result, shield volcanoes tend to build up gradually over time with successive eruptions, creating their distinctive shape.
What type of volcano produces fluid basaltic lava?
Shield volcanoes produce fluid basaltic lava due to their gently sloping sides and low viscosity magma. These eruptions tend to be non-explosive and create broad, flat volcanoes over time.
Do shield volcanoes have high viscosity?
No, shield volcanoes have low viscosity lava due to their composition of basaltic magma, which has low silica content. This low viscosity allows the lava to flow easily and spread out over a wide area, resulting in the gentle, sloping shape characteristic of shield volcanoes.
What type of rock makes shield volcanoes?
Shield volcanoes are typically formed from basaltic lava flows, which are low in silica content and very fluid. This type of lava allows for the gradual buildup of wide, gently sloping volcanic cones characteristic of shield volcanoes.
Basaltic volcano with gently sloping sides are called?
Shield volcanoes. They are characterized by their broad, low-profile shape that resembles a warrior's shield. They are formed by the high volume of low-viscosity basaltic lava that flows easily and spreads out over a large area, creating the gentle slopes.
What type of volcano is Hawaii?
Hawaii has shield volcanoes, which are broad, gently sloping volcanoes characterized by eruptions of relatively fluid lava that creates a wide base. These volcanoes are formed by repeated eruptions of low viscosity basaltic magma.
What type of lava do shield volcano have?
Mafic, usually basaltic lava.
A volcano with gently sloping sides is called a .?
A volcano with gently sloping sides is called a shield volcano. These types of volcanoes are primarily built up by the flow of low-viscosity basaltic lava, which can travel long distances. As a result, shield volcanoes tend to have broad, dome-shaped profiles. Examples include Mauna Loa in Hawaii and Kilauea.
What volcanoe is a very large gently sloping mound composed mainly of basaltic lava flows?
A shield volcano is a very large, gently sloping mound composed mainly of basaltic lava flows. These volcanoes have a broad, dome-like shape and their eruptions are typically non-explosive. Examples include Mauna Loa in Hawaii and Galapagos Islands.
What are constructive volcanoes?
Constructive volcanoes, also known as shield volcanoes, are characterized by their broad, gently sloping sides and low viscosity lava flows. These volcanoes are typically formed from multiple eruptions of basaltic lava, which spreads out in thin layers to create a gradual and shield-like shape. Constructive volcanoes are associated with effusive eruptions, where lava flows steadily and continuously.
What type of volcanoes are the hawaiians islands?
shield
What is similar about cinder cone volcanoes and shield volcanoes?
Both shield volcanoes and cinder cones erupt low-viscosity basaltic lava and have eruptions that are only mildly explosive if at all.Cinder cones are small, steep-sloped volcanoes composed primarily of a chunky variety of basalt called scoria.Shield volcanoes are large, gently sloping volcanoes composed primarily of layers of lava flows.
