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An example of an igneous rock low in silica is granite?
Granite is actually high in silica, which is why it is considered a felsic igneous rock. An example of an igneous rock low in silica is basalt, which is mafic in composition and contains less silica than granite.
Are igneous rocks like gabbro and basalt silica-deficient with high magnesium and iron?
Yes, gabbro and basalt are silica-deficient igneous rocks that have high magnesium and iron content. Gabbro is a coarse-grained rock, while basalt is fine-grained due to differences in cooling rates. Both rocks form from the cooling of magma with low silica content.
Is basalt permeable?
There are 2 types of permeability- Porosity and Perviousness Granite and basalt are both pervious Granite has low porosity, but basalt can be both porous or non-porous. It depends on its rate of cooling.
How does metamorphism affect basalt?
Metamorphism can cause basalt to undergo changes in mineral composition and texture, forming new minerals like chlorite, epidote, or amphibole. The original basalt can recrystallize into a denser, harder rock known as greenstone due to metamorphic heat and pressure. The degree of metamorphism can vary, with low-grade metamorphism likely resulting in minor changes, while high-grade metamorphism can drastically alter the basalt's appearance.
What are the main magma rocks?
Felsic, high in silica. Mafic, low in silica. Intrusive, those formed underground. Extrusive, those formed above ground.
Where is basalt born?
Basalt is formed when low-silica lava erupts from a volcano and later cools.
Does Dark colored Basalt Rock have low viscosity?
Rock itself is solid and so does not have visocosity. However, the lava that forms basalt is low viscosity.
An example of an igneous rock low in silica is granite?
Granite is actually high in silica, which is why it is considered a felsic igneous rock. An example of an igneous rock low in silica is basalt, which is mafic in composition and contains less silica than granite.
What type of hawaiian rocks have low permeability?
Basalt
How is basalt alike from gabbro?
Both basalt and gabbro are made from the same kind of molten rock with the same chemistry. It is relatively low in silica, but high in magnesia and iron. They both look alike when they are put next to each other.
Are igneous rocks like gabbro and basalt silica-deficient with high magnesium and iron?
Yes, gabbro and basalt are silica-deficient igneous rocks that have high magnesium and iron content. Gabbro is a coarse-grained rock, while basalt is fine-grained due to differences in cooling rates. Both rocks form from the cooling of magma with low silica content.
What volcanic rock solidifies from low viscosity lava?
Basalt.
Is rhyolite a basaltic composition?
No. Basalt is a low-silica igneous rock while rhyolite is high-silica. As far as volcanic rocks go, they are essentially opposites.
What is An igneous rock with a low silica content that flows easily?
Basalt.
Which rock contains high nuclear minerals?
basalt
What is the connection between high temperatures measured at ocean ridges and the formation of basalt ridges?
realate the high tempertures measured at the mid-ocean to the formation of basalt at the ridges
Is basalt permeable?
There are 2 types of permeability- Porosity and Perviousness Granite and basalt are both pervious Granite has low porosity, but basalt can be both porous or non-porous. It depends on its rate of cooling.
