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If lava contains quartz that means the silica content is high. A high silica content makes lava more viscous, and gives it the tendency to erupt explosively.
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∙ 11y ago
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What effect do volcanoes cause?
The cause is valcano's are conected to the earth's root which is made from lava and when this gets full it erupts
What does lava erupts through?
If you mean 'how does lava release itself from the volcano', it erupts through the volcano's crater. But if you mean 'how does lava erupt from the volcano', then sorry, I have no answers to that.
What type of lava that erupts underwater and takes the form of round lumps?
Lava that erupts underwater and takes the form of round lumps is called pillow lava
What does a volcano produces when it erupts?
lava
When magma erupts it is called?
lava
What come out when a volcano erupts?
Lava
What is a volcaho?
It is something that erupts lava
What is volcaho?
It is something that erupts lava
When magma erupts what is it called?
Lava.
How is basaltic lava different from granitic lava?
Basaltic lava is far less viscous, has less silica, erupts at a higher temperature and is denser than granitic lava (properly called rhyolitic lava when it is on the surface). Basaltic lava is composed primarily of pyroxenes and calcium rich plagioclase with small amounts of olivine. Rhyolitic lava primarily contains alkali feldspars and quartz.
What don't you want to be around when one of these erupts?
A volcano erupts with lava and you need to get away from that.
What is molten before it erupts?
It is molten magma that erupts from volcanoes - commonly known as lava.
