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When lava cools under water often forms?
"Pillow basalt" formations, which are round or tubular structures that result from the rapid cooling of lava under water. This process occurs when hot lava erupts into the ocean and solidifies quickly, forming these distinctive shapes.
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 Pillow lava is formed?
Pillow lava is formed when hot basaltic lava erupts underwater, typically at mid-ocean ridges or volcanic islands. As the lava flows out and comes into contact with the cold ocean water, it rapidly cools and solidifies, creating a rounded, pillow-like shape. The outer surface solidifies quickly while the interior remains molten, leading to the formation of these distinctive structures. As more lava is expelled, additional layers of pillow lava are created, often resulting in a stacked appearance.
Pillow lava is the result of what type of eruption?
Pillow lava is the result of underwater volcanic eruptions. When hot magma is extruded onto the ocean floor, it cools rapidly and forms pillow-shaped structures due to the rapid cooling process in the water.
Does pillow lava have high silica?
No. Pillow lava is basaltic, so it has a low silica content.
When pillow lava touch ocean water how hot do the ocean water turn?
When pillow lava touches ocean water, the temperature of the water can increase significantly, sometimes reaching temperatures above 500 degrees Celsius. This can create steam and explosive reactions as the lava rapidly cools in the water.
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.
How did pillow lava get its name?
Pillow lava got its name because of its distinctive pillow-like shapes that form when lava flows underwater and cools rapidly. As the outer layer of lava cools and solidifies quickly upon contact with water, it forms a rounded mound resembling a pillow. This unique shape is characteristic of lava flows in underwater volcanic environments.
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.
Where would you expect to find pillow lava in the modern world?
in a volcano Pillow lava forms only when lava emerges from a place that is submerged under water.
How does pillow basalt form?
Pillow basalt forms when basaltic lava erupts underwater and cools rapidly, creating pillow-shaped structures. Water cools the lava quickly, causing it to solidify into distinctive pillow-like shapes as it is extruded.
