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Gabbro has less silica than granite.
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∙ 15y ago
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How does granite differ from gabbro in coloring and silica content?
Granite is lighter in color and higher in silicate mineral content.
What rock has more silica granite or basalt?
Granite is higher in silica than is basalt.
What is the average silica content for granite?
72%.
What is a light colored rock with a high silica content?
granite
Can gabbro contain the moneral quartz?
Although gabbro is low in silica and has no quartz there are quartz gabbro's. Quartz gabbro's are thought to occur from magma that was over-saturated with silica.
How does granite differ from gabbro in coloring and silica content?
Granite is lighter in color and higher in silicate mineral content.
What rock has more silica granite or basalt?
Granite is higher in silica than is basalt.
What is the average silica content for granite?
72%.
What is a light colored rock with a high silica content?
granite
What is the behavior of lava with silica content being high and low?
Lava with high silica content will erupt explosively, if it has low silica content it will flow.
Can gabbro contain the moneral quartz?
Although gabbro is low in silica and has no quartz there are quartz gabbro's. Quartz gabbro's are thought to occur from magma that was over-saturated with silica.
What generally describes granite?
as dark colored rock with low silica content
What is a magmas viscosity related to?
The silica content. A higher silica content results in a more viscous magma.
An example of an igneous rock low in silica is granite?
False. Basalt would be an example of an igneous rock with a low silica content.
What is a magma's viscosity directly related to?
The silica content. A higher silica content results in a more viscous magma.
What is a light colored rock that has high silica?
Felsic igneous rocks with alkali feldspars, quartz, and mica. Examples would include rhyolite, pumice, granite, and obsidian.
Is Gabbro iron rich?
Yes. Gabbro, an igneous rock, has iron-bearing hornblende and augite.
