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What type of lava forms the Lascar volcano?
The Lascar volcano forms basaltic lava, which is low in viscosity and typically erupts explosively, creating lava fountains, flows, and pyroclastic material.
How do lava fields form?
They are formed where over time by continual layers of lava building up. They are normally a raised area of land that forms tablelands or flat topped hills. These can go on for hundreds-thousands of kilometres fluid basaltic flows out....
What type of lava forms mt hood?
Mt. Hood is primarily composed of andesitic lava, which is intermediate in composition between basaltic and rhyolitic lavas. Andesitic lava is characterized by its viscosity and tendency to form lava domes, lava flows, and pyroclastic flows.
When common type of basaltic lava hardens it forms AA which has?
When common basaltic lava hardens, it forms aa lava, which has a rough, jagged texture characterized by sharp, angular fragments. This occurs due to its higher viscosity compared to pahoehoe lava, causing it to break apart as it flows. The formation of aa is typically associated with cooler temperatures and slower flow rates, resulting in a more fragmented surface.
What type of lava does a quiet eruption produce?
A quiet eruption typically produces basaltic lava. This type of lava is low in viscosity and flows easily, resulting in gentle, slow-moving lava flows. It often forms shield volcanoes with broad and gently sloping sides.
Lava plateaus forms when?
Lava plateaus form when fluid basaltic lava flows out of fissures.
What type of lava forms the Lascar volcano?
The Lascar volcano forms basaltic lava, which is low in viscosity and typically erupts explosively, creating lava fountains, flows, and pyroclastic material.
How do lava fields form?
They are formed where over time by continual layers of lava building up. They are normally a raised area of land that forms tablelands or flat topped hills. These can go on for hundreds-thousands of kilometres fluid basaltic flows out....
What does pahoehoe make?
Pahoehoe is a type of lava that has a smooth, rope-like texture when it cools. It forms when low-viscosity basaltic lava flows steadily and cools quickly, creating rippled patterns on the surface.
What is phoehoe?
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What type of lava forms mt hood?
Mt. Hood is primarily composed of andesitic lava, which is intermediate in composition between basaltic and rhyolitic lavas. Andesitic lava is characterized by its viscosity and tendency to form lava domes, lava flows, and pyroclastic flows.
When common type of basaltic lava hardens it forms AA which has?
When common basaltic lava hardens, it forms aa lava, which has a rough, jagged texture characterized by sharp, angular fragments. This occurs due to its higher viscosity compared to pahoehoe lava, causing it to break apart as it flows. The formation of aa is typically associated with cooler temperatures and slower flow rates, resulting in a more fragmented surface.
What type of lava forms Mount Cameroon?
Mount Cameroon primarily features basaltic lava, which is characteristic of shield volcanoes. This type of lava is low in viscosity, allowing it to flow easily and create broad, gently sloping landforms. The basaltic composition results from the partial melting of mantle rocks, contributing to the volcano's frequent eruptions and extensive lava flows.
What is cool slow moving type of lave?
Pahoehoe lava is a cool, slow-moving type of lava with a smooth, ropey texture. It forms when low-viscosity basaltic lava flows and cools, creating distinctive ridges and folds on the surface. Pahoehoe lava flows can sometimes be observed in Hawaii, where they are a common feature of volcanic activity.
What type of lava does a quiet eruption produce?
A quiet eruption typically produces basaltic lava. This type of lava is low in viscosity and flows easily, resulting in gentle, slow-moving lava flows. It often forms shield volcanoes with broad and gently sloping sides.
The hotter of the two types of basaltic lava commonly forms what?
The hotter of the two types of basaltic lava, known as "pahoehoe," typically forms smooth, ropy surfaces as it flows. This type of lava has a lower viscosity and can travel over greater distances. In contrast, the cooler type, called "aa," is thicker and more viscous, resulting in a rough, jagged surface. The temperature difference between these two types influences their flow characteristics and the landscape they create.
What are igneous rocks is found near fissures and what?
Igneous rocks found near fissures are typically basalt, which forms from the rapid cooling of lava that erupts from volcanic fissures. These fissures allow molten rock to escape from the Earth's mantle to the surface, where it solidifies into basaltic rock. Basalt is characterized by its fine-grained texture due to the quick cooling process. Other types of igneous rocks, such as rhyolite, can also form near fissures but are less common than basalt.
