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What is silica called?
Mafic lava
Where does felsic lava form at?
== == Felsic lava has a higher silica content than mafic lava. Felsic lava is slower moving (high viscosity) than the less viscous mafic lava. Mafic lava is higher in dark minerals and higher in the elements iron and magnesium.
What magma is rich in feldspars and silica?
no its the least silica rich of granitic and andesitic magma.
This type of magma has low silica content?
There are three types of magma that contains silica. Basaltic Magma has 50 percent silica, Andesitic Magma has 60 percent silica, and Granitic Magma has 70 percent silica.
Magma that is low in silica and produces nonexplosive eruptions is called?
That would be basaltic magma.
Is quartz mafic?
No, we call something mafic if it has a relative low silica content. As quartz is 100% silica, it's not mafic, but felsic.
Magma that is relatively thin dark colored and low in silica?
A low silica magma is called a "mafic" magma.
What igneous compositions has the lowest silica content mafic ultra mafic intermediate or felsic?
Ultra mafic rocks have the least amount of silica.
Does paricutin mafic or felsic lava?
Paricutin erupted mafic lava.
Do cinder cones erupt felsic or mafic lava?
Composite volcanoes can erupt both mafic and felsic material, but intermediate material is the most common.
Igneous rocks like gabbro and basalt are silica-deficient with high magnesium and iron?
Yes, this is true. The rocks in question are 'Mafic' or 'Basic'. Mafic minerals are often dark in colour, and are indeed composed of Iron, with a good portion of Magnesium and other elements. They are Silica/Quartz deficient, and also note that the mineralogy makes Basaltic lava particularly runny, as opposed to Andesitic lava, with high Silica, which is very viscous.
Between mafic lava and felsic lava which flowsfaster?
Mafic lava is hotter than felsic lava and therefore flows faster.
