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Low--it's easier for it to harden when it's not flowing. This is also why cement mixers spin to keep the cement from hardening.
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Is pyroclastic material likely to form from low-viscosity lava or high-viscosity lava?
you eat my butt
How would you describe lava with a high viscosity?
The highest viscosity lava is rhyolite. Rhyolitic lava tends to form dome-shaped volcanoes and tends to cause explosive eruptions.
What is lava called with high viscosity?
Lava with high viscosity is called slica-rich lava
How does the viscosity affect of lava affect its flow rate?
Viscosity means how runny it is. Thus a lava with low viscosity will erupt fast and form long, wide spreading lava flows (eg Hawaii) and lavas of high viscosity will erupt slowly and form lava domes (eg Mt. St. Helens).
Which type of lava would most likely form lava tube caves?
Basaltic, low viscosity lava would form lava tube caves.
Is pyroclastic material likely to form from low-viscosity or high-viscosity lava?
low viscosity lava due to the violent eruption of the volcano
Is pyroclastic material likely to form from low-viscosity lava or high-viscosity lava?
you eat my butt
How would you describe lava with a high viscosity?
The highest viscosity lava is rhyolite. Rhyolitic lava tends to form dome-shaped volcanoes and tends to cause explosive eruptions.
What is lava called with high viscosity?
Lava with high viscosity is called slica-rich lava
How does the viscosity affect of lava affect its flow rate?
Viscosity means how runny it is. Thus a lava with low viscosity will erupt fast and form long, wide spreading lava flows (eg Hawaii) and lavas of high viscosity will erupt slowly and form lava domes (eg Mt. St. Helens).
Which type of lava would most likely form lava tube caves?
Basaltic, low viscosity lava would form lava tube caves.
What kind of viscosity lava does Mount Tambora have?
High viscosity.
How does the silica content of lava impact its viscosity?
Silica content is directly proportional to viscosity, so the higher the silica content of a lava, the higher its viscosity. high viscosity means a lava will be thick and slow moving, hence probably meaning an explosive eruption. lava's with a high viscosity include rhyolite and andesite whereas lava's with a low viscosity (runny ones) include basalt.
Does High viscosity lava flows faster than low viscosity lava?
No. Viscosity is a liquid's resistance to flow. So higher viscosity means a slower flow.
Low or high viscosity in mount saint Helen's?
The lava in Mt. St Helen has high viscosity.
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.
What is the viscosity of magma in a pyroclastic flow?
In a pyroclastic flow, the magma would almost always be considered high-velocity. The velocity and strength of the magma is a result of its chemical composition.
