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What volcanic rock solidifies from low viscosity lava?
Basalt.
A characteristic of lava that determines the force of a volcanic eruption is?
Viscosity.
What provides the force that propels magma from a volcanic vent?
Lava moves from its viscosity.
What features may occur when volcano lava cools at the surface?
Lava domes, composite cones , volcanic islands.
What is lava called with high viscosity?
Lava with high viscosity is called slica-rich lava
What volcanic rock solidifies from low viscosity lava?
Basalt.
A characteristic of lava that determines the force of a volcanic eruption is?
Viscosity.
What volcanic features does a volcano have?
lava
What provides the force that propels magma from a volcanic vent?
Lava moves from its viscosity.
What types of features are formed between plates?
volcanic lava
What are formed when the lava and ash escapes at the surface?
Volcanic landforms and features.
What is the major geographic features for Fiji?
Volcanic lava is made up of
What features may occur when volcano lava cools at the surface?
Lava domes, composite cones , volcanic islands.
What is lava called with high viscosity?
Lava with high viscosity is called slica-rich lava
What are the dark features of the moon?
They are called "maria". They were the formed by ancient volcanic lava flows.
Does crystal content affect viscosity of lava?
Yes, the more numerous and larger the crystals are, the more viscous the lava is: it does not, however, have a very dramatic effect.
What conditions make for a week volcanic?
The answer is : Magma with low viscosity. It makes for a weak volcanic eruption. If the viscosity is low (thin), non-explosive eruptions usually begin with fire fountains due to release of dissolved gases. When magma reaches the surface of the earth, it is called lava.
