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Ultimately basalitc magma comes from the mantle. Here, the rocks are so hot that they would melt if they were at the surface, but are kept solid or semisolid due to the immense pressure they are under. Geologic forces can work to allow some of this to melt either by reducing the pressure or adding water, which alters the chemistry. This magma then rises because it is less dense than the surrouding rock.
Wiki User
∙ 9y ago
Wiki User
∙ 10y ago1.mid oceanic ridges
2.subduction zone
3.rift valley
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Do basalt and rhyolite form magma?
No. Both basalt and rhyolite are formed from molten rock erupts from a volcano.
A lava solidifies into nonvesicular basalt instead of vesicular basalt because?
the magma has a low content of gas
If basalt is in lava is the volcano explosive?
No. The more basalt the quieter the eruption. Basalt is deep deep material, from down where there are few volatiles to make lava explosive.
What is the meaning of a magma chamber?
A synonym for magma chamber is basalt cavity. Synonyms for magma is lava, ashes, scoria, slag, coulee, and obsidian.
What type of magma do high explosive volcanoes have?
Viscous, gaseous magma, usually of high acidity as compared to basalt.
Where does granite and basalt come from?
Both originate as molten magma but in the case of granite the magma is acidic and in the case of basalt the magma is basic.
Is basalt formed from slow or rapidly cooling magma?
Basalt is formed from relatively rapid cooling magma.
What is the origion of basalt?
it comes from magma inside the volcanoes then it cools and it turns in to basalt
What magma does mount bird the volcano have?
Mount Bird is in Antarctica. It has basalt magma.
A lava solidifies into nonvesicular basalt instead of vesicular basalt because?
the magma has a low content of gas
Do basalt and rhyolite form magma?
No. Both basalt and rhyolite are formed from molten rock erupts from a volcano.
What was the basalt and igneous rock formed by?
Basalt and igneous rocks were formed by what we would call magma/lava
What rocks forms when magma or lava cools or hardens?
Basalt
If basalt is in lava is the volcano explosive?
No. The more basalt the quieter the eruption. Basalt is deep deep material, from down where there are few volatiles to make lava explosive.
What is the meaning of a magma chamber?
A synonym for magma chamber is basalt cavity. Synonyms for magma is lava, ashes, scoria, slag, coulee, and obsidian.
What is the lava of surtsey?
the magma and lava in Surtsey are of alkali olivine basalt, which is the type of basalt found in Vestmannaeyjar (Westman Islands)
What type of magma do high explosive volcanoes have?
Viscous, gaseous magma, usually of high acidity as compared to basalt.
