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What is a long crack from which lava flows through?

A long crack from which lava flows through is called a fissure. These fissures can be found along volcanic zones and can release lava during volcanic eruptions.


What is a pahoehoe flow?

Pahoehoe lava is a lava type flowing from volcanic eruptions. It is not to be confused with Aa lava. Pahoehoe is smooth and ropy lava, cooling into a ropy texture. Aa, on the other hand, is stony and rough. On another note (take this as you will): I would rather stand on Aa lava because it is cooler, characterised simply by its viscosity. Pahoehoe is at around 1100-12000C, as opposed to 1000-1100 for Aa. Please do not stand in either.


How do lava tubes form and what role do they play in the formation of volcanic landscapes?

Lava tubes form when flowing lava cools and solidifies on the surface while the molten lava continues to flow beneath, creating a tunnel-like structure. These tubes play a significant role in the formation of volcanic landscapes by allowing lava to travel long distances underground, preserving heat and fluidity, and eventually emerging as surface flows, shaping the terrain with their unique structures and patterns.


What is formed when molten material is extruded fairly evenly over a long period of time from many fissures?

A volcanic plateau is formed when molten material is extruded fairly evenly over a long period of time from many fissures. This process creates a flat and wide landform composed of layers of solidified lava flows.


What is cool slow moving type of lava called?

these are two ways on how: 1. a water spray can cool down a larva flow, 2. and using really heavy stones (10-40 tones)

Related Questions

What is a long crack from which lava flows through?

A long crack from which lava flows through is called a fissure. These fissures can be found along volcanic zones and can release lava during volcanic eruptions.


What is the lava called from a crack in earth?

The lava that flows from a crack in the Earth's surface is called fissure or fissure lava. It typically arises from volcanic eruptions along long cracks in the ground, known as fissures, rather than a central volcanic vent.


Does lava flow from a shield volcano?

Yes, lava can flow from a shield volcano. Shield volcanoes are typically characterized by low-viscosity lava that flows easily over long distances, creating broad, gentle slopes. The lava flows from shield volcanoes are generally not explosive and occur as a result of the slow accumulation and drainage of magma.


How long can magma flow until cooling?

Magma flows for a long period of time but named lava when out of the ground. It depends how fast the lava is travels, but you can usually run from it:)


What is the lava flow for a composite volcano?

Composite volcanoes are highly variable in how and what they erupt. In some cases composite volcanoes produce extremely viscous blocky lava flows of andesite or rhyolite. In other cases they may produce pahoehoe or a'a flows of basaltic lava. In many cases eruptions are explosive, producing clouds of ash and pyroclastic flows instead of lava flows.


Which type of lava is fluid and flows freely from volcanoes?

Basaltic lava is fluid and flows freely from volcanoes due to its low viscosity. This type of lava typically results in gentle, non-explosive eruptions and can travel long distances from the vent.


What types of lava come from the San Cristobal volcano?

The San Cristobal volcano in Nicaragua primarily produces basaltic lava, which is low in silica content and flows easily. This type of lava typically results in effusive eruptions with lava flows that can travel long distances from the volcano. The lava from the San Cristobal volcano tends to be relatively fluid and forms shield volcanoes.


What type of lava erupts from Mount Etna and how does this effect the eruptions?

Mount Etna typically erupts with basaltic lava, which is low in viscosity and flows more easily compared to other types of lava. This can result in effusive eruptions with lava fountains and lava flows traveling long distances. The low viscosity of basaltic lava allows gases to escape more easily, reducing the risk of explosive eruptions.


Long trenchlike valleys running through the bedrock of lunar maria are called?

Rilles. Rilles are long, narrow depressions on the Moon's surface, often found in lunar maria. They can be several kilometers wide and hundreds of kilometers long, thought to have been formed by ancient lava flows or collapsing lava tubes.


What does the fissure in a volcano do?

A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes. This results in the steady accumulation of broad sheets of lava, building up the shield volcano's distinctive form. Shield volcanoes contain low viscosity magmamaking it have flowing mafic lava.


What type of lava flows easily?

Basaltic lava flows easily due to its low viscosity, which is caused by its low silica content and high temperature. This type of lava can travel long distances and create smooth, gentle slopes as it cools.


What are the meandering valley like features on the moons surface called?

Those features are called rilles, which are long, narrow valleys on the surface of the Moon. They can be several kilometers wide and hundreds of kilometers long, and are thought to have been formed by ancient lava flows or tectonic activity.