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Basaltic magma is characterized by its low viscosity and high temperature, typically ranging from 1,100 to 1,200 degrees Celsius. It has a low silica content (about 45-55%), which contributes to its fluidity and allows it to flow easily, often resulting in relatively gentle volcanic eruptions. The magma is rich in iron and magnesium, giving it a darker color, and it typically forms basalt rock upon cooling. This type of magma is commonly associated with divergent tectonic boundaries and hotspot volcanic activity.
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Is basaltic magma or granitic magma hotter?
Baslatic magma is hotter.
Is basaltic or andesitic magma hotter?
Basaltic magma is hotter than andesitic magma. Basaltic magma typically has temperatures ranging from 1000°C to 1200°C, while andesitic magma has temperatures around 800°C to 1000°C.
When equal amounts of a basaltic and granitic magma mix what is the resulting magma?
basaltic
Does basaltic magma have a lot of silica or very little?
Basaltic magma is low in silica compared to andesitic or granitic magma.
Does basaltic magma have little gas?
Yes, basaltic magma typically has low gas content compared to other types of magma. This is because basaltic magma is formed at high temperatures and pressures which allows gases to escape more easily. The low gas content contributes to the relatively quiet and effusive eruptions common with basaltic magma.
What are the characteristics of magma associated with shield volcanoes?
Basaltic, runny magma.
Is basaltic magma or granitic magma hotter?
Baslatic magma is hotter.
Is basaltic or andesitic magma hotter?
Basaltic magma is hotter than andesitic magma. Basaltic magma typically has temperatures ranging from 1000°C to 1200°C, while andesitic magma has temperatures around 800°C to 1000°C.
When equal amounts of a basaltic and granitic magma mix what is the resulting magma?
basaltic
What list places the magma What list places the magma types in order of decreasing?
basaltic,andesitic,rhyolitic
What color rocks does basaltic magma form?
Basaltic magma usually forms a black rock.
Does basaltic magma have a lot of silica or very little?
Basaltic magma is low in silica compared to andesitic or granitic magma.
Which would you expect to cause the greatest amount of contact metamorphism an intrusion of basaltic magma or an intrusion of rhyolitic magma?
An intrusion of basaltic magma would likely cause greater contact metamorphism compared to an intrusion of rhyolitic magma. Basaltic magma has higher temperatures and higher fluidity, allowing it to heat surrounding rocks more effectively and induce more intense metamorphic changes.
Does basaltic magma have little gas?
Yes, basaltic magma typically has low gas content compared to other types of magma. This is because basaltic magma is formed at high temperatures and pressures which allows gases to escape more easily. The low gas content contributes to the relatively quiet and effusive eruptions common with basaltic magma.
Are pyroclasts formed by basaltic magma or andesitic magma?
Pyroclasts can be formed by both basaltic and andesitic magma. Basaltic magma typically forms pyroclastic materials like scoria and ash, while andesitic magma can produce a variety of pyroclasts including volcanic bombs and pumice. The type of pyroclasts produced depends on factors such as the composition of the magma and the eruption style.
What kind of of volcanic eruption occurs when basaltic magma is present?
Basaltic magma usually produces a Hawaiian or Stombolian style of eruption.
What is the source of the magma in Hawaii's volcanoes?
Basaltic
