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acidic igneous rocks have over 63% silica contents.examples are rhyloite andgranite.Rhyolite is volcanic while granite is plutonic igneous rock

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What this different between acid igneous rock and basic igneous rock?

Acidic igneous rocks have a higher silica content and lower magnesium and iron content compared to basic igneous rocks. Acidic rocks are typically light in color and have a higher viscosity, meaning they are more resistant to flow. Basic rocks, on the other hand, have a lower silica content, higher magnesium and iron content, and are typically dark in color with lower viscosity.


How can igneous rocks be different densities?

Igneous rocks vary greatly in composition and method of formation, resulting in diverse densities.


What are rocks that form when lava hardens?

Igneous, examples include Granite and Basalt


Why do igneous rocks that have the same composition sometimes have different sizes of mineral grains?

This is as a result of difference in the rate of cooling of the Igneous rocks.


How does chemical composition effect igneous rocks?

It affects the color.


What can you conclude from the color of igneous rocks?

Their origin, and chemical composition.


What is the clear definition for acidic energy?

Acidic mean designating or of igneous rocks with more than 66% silica.


Can igneous rock be felsic?

Yes. Felsic is a term used to describe the composition of some igneous rocks.


How do you classify igneous rocks?

Look at them. There shape, size, color and feel! Dont worry you will figure it out....


What are the chemical formula of the igneous rock?

Rocks are mixtures and so do not have chemical formulas. Igneous rocks vary in composition, so there is no way of giving a formula.


What is the difference between acidic and basic igneous rock?

Acidic igneous rocks have a higher silica content and are more viscous, leading to explosive eruptions. Basic igneous rocks have a lower silica content and are less viscous, resulting in more fluid lava flows. Additionally, acidic rocks tend to contain more quartz and feldspar minerals, while basic rocks are enriched in minerals like olivine and pyroxene.


Igneous rocks that crystallize from magma and that are composed almost entirely of quartz and feldspar have a composition that is?

Granitic Composition