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How are Pillow Lava and Pahoehoe lava the same?
Both pillow lava and pahoehoe lava are types of basaltic lava that form during submarine volcanic eruptions. They both have smooth, ropy surfaces, caused by the flow of lava, and are relatively low in viscosity.
How fast can lava cool under water?
Lava can cool rapidly in water, forming structures called pillow lavas. The rate of cooling can be influenced by the temperature of the water and the size of the lava flow, but generally, lava can cool in minutes to hours when in contact with water.
What type of lava erupts underwater and takes the form of round lumps?
Pillow lava erupts underwater and forms rounded lumps or pillow-shaped structures due to the rapid cooling of molten lava when it comes into contact with water. This type of lava flow is commonly found at mid-ocean ridges and submarine volcanoes.
What is pillow lava?
Pillow lava is basaltic lava that forms rounded pillow like lumps. It forms when a volcano erupts fairly deep underwater. Lava erupts bu quickly crusts over, creating a bulbous formation. The crust then breaks and more lava spills out, continuing the process.See the link below for a video of pillow lava.
How does rising magma and flowing lava create underwater pillow lava?
Because the magma is erupted into the cold water, the outside of the flow quickly cools and solidifies into a hard shell which causes the backside flow to seek a new, less resistant pathway. When the flow is pinched off before re-routing, a bulbous pillow shaped, rapidly cooling blob is formed. Most of the ocean floor laying under layers of sediment and sedimentary rock, is formed from masses of pillow lavas (basalt).
Which type of lava is thin and fast-flowing?
pillow
How are Pillow Lava and Pahoehoe lava the same?
Both pillow lava and pahoehoe lava are types of basaltic lava that form during submarine volcanic eruptions. They both have smooth, ropy surfaces, caused by the flow of lava, and are relatively low in viscosity.
How fast can lava cool under water?
Lava can cool rapidly in water, forming structures called pillow lavas. The rate of cooling can be influenced by the temperature of the water and the size of the lava flow, but generally, lava can cool in minutes to hours when in contact with water.
How hot is pillow lava?
pillow lava is 2500 degrees
What type of lava erupts underwater and takes the form of round lumps?
Pillow lava erupts underwater and forms rounded lumps or pillow-shaped structures due to the rapid cooling of molten lava when it comes into contact with water. This type of lava flow is commonly found at mid-ocean ridges and submarine volcanoes.
What is pillow lava?
Pillow lava is basaltic lava that forms rounded pillow like lumps. It forms when a volcano erupts fairly deep underwater. Lava erupts bu quickly crusts over, creating a bulbous formation. The crust then breaks and more lava spills out, continuing the process.See the link below for a video of pillow lava.
Describe pillow lava?
Pillow lava is a type of basaltic lava that forms underwater when lava erupts on the ocean floor. It cools quickly, creating pillow-shaped structures. These formations resemble stacked pillows due to the outer crust solidifying quickly while the lava inside continues to flow, resulting in rounded shapes. Pillow lava is commonly found in mid-ocean ridges and submarine volcanic environments.
Does pillow lava have high silica?
No. Pillow lava is basaltic, so it has a low silica content.
How fast does dacite lava flow compared to mafic lava?
Dacite lava flows at speeds orders of magnitude slower than mafic lava.
How does rising magma and flowing lava create underwater pillow lava?
Because the magma is erupted into the cold water, the outside of the flow quickly cools and solidifies into a hard shell which causes the backside flow to seek a new, less resistant pathway. When the flow is pinched off before re-routing, a bulbous pillow shaped, rapidly cooling blob is formed. Most of the ocean floor laying under layers of sediment and sedimentary rock, is formed from masses of pillow lavas (basalt).
Lava that forms underwater as rounded lumps?
This type of lava is known as pillow lava. When molten lava is erupted underwater, it quickly cools and solidifies into pillow-shaped structures due to the rapid cooling effect of the surrounding water. Over time, multiple layers of pillow lava can accumulate to form underwater volcanic structures.
Does Krakatoa make pillow lava?
No. Pillow lava is basaltic, low-viscosity lava. Krakatoa is a stratovolcano with a style of ereuption more characteristic of high-viscosity andesitic lava.
